Gecko [ www.jdcpatala.org ]

Name	Size	Permission
core.html	535 B	-rw-r--r--
core.html.de	238.47 KB	-rw-r--r--
core.html.en	293.44 KB	-rw-r--r--
core.html.es	262.51 KB	-rw-r--r--
core.html.fr.utf8	324.56 KB	-rw-r--r--
core.html.ja.utf8	254.26 KB	-rw-r--r--
core.html.tr.utf8	313.84 KB	-rw-r--r--
directive-dict.html	598 B	-rw-r--r--
directive-dict.html.en	17.79 KB	-rw-r--r--
directive-dict.html.es	19.47 KB	-rw-r--r--
directive-dict.html.fr.utf8	19.11 KB	-rw-r--r--
directive-dict.html.ja.utf8	20.06 KB	-rw-r--r--
directive-dict.html.ko.euc-kr	15.65 KB	-rw-r--r--
directive-dict.html.tr.utf8	19.11 KB	-rw-r--r--
directives.html	760 B	-rw-r--r--
directives.html.de	57.67 KB	-rw-r--r--
directives.html.en	57.54 KB	-rw-r--r--
directives.html.es	57.83 KB	-rw-r--r--
directives.html.fr.utf8	57.65 KB	-rw-r--r--
directives.html.ja.utf8	57.74 KB	-rw-r--r--
directives.html.ko.euc-kr	57.39 KB	-rw-r--r--
directives.html.tr.utf8	57.57 KB	-rw-r--r--
directives.html.zh-cn.utf8	57.41 KB	-rw-r--r--
event.html	201 B	-rw-r--r--
event.html.en	28.84 KB	-rw-r--r--
event.html.fr.utf8	31.36 KB	-rw-r--r--
index.html	720 B	-rw-r--r--
index.html.de	23.21 KB	-rw-r--r--
index.html.en	22.93 KB	-rw-r--r--
index.html.es	23.49 KB	-rw-r--r--
index.html.fr.utf8	25.14 KB	-rw-r--r--
index.html.ja.utf8	24.2 KB	-rw-r--r--
index.html.ko.euc-kr	22.37 KB	-rw-r--r--
index.html.tr.utf8	23.2 KB	-rw-r--r--
index.html.zh-cn.utf8	22.81 KB	-rw-r--r--
mod_access_compat.html	322 B	-rw-r--r--
mod_access_compat.html.en	28.41 KB	-rw-r--r--
mod_access_compat.html.fr.utf8	31.22 KB	-rw-r--r--
mod_access_compat.html.ja.utf8	30.51 KB	-rw-r--r--
mod_actions.html	489 B	-rw-r--r--
mod_actions.html.de	13.78 KB	-rw-r--r--
mod_actions.html.en	12.72 KB	-rw-r--r--
mod_actions.html.fr.utf8	13.32 KB	-rw-r--r--
mod_actions.html.ja.utf8	14.43 KB	-rw-r--r--
mod_actions.html.ko.euc-kr	12.37 KB	-rw-r--r--
mod_alias.html	479 B	-rw-r--r--
mod_alias.html.en	36.82 KB	-rw-r--r--
mod_alias.html.fr.utf8	40.04 KB	-rw-r--r--
mod_alias.html.ja.utf8	28.55 KB	-rw-r--r--
mod_alias.html.ko.euc-kr	22.95 KB	-rw-r--r--
mod_alias.html.tr.utf8	39.33 KB	-rw-r--r--
mod_allowmethods.html	223 B	-rw-r--r--
mod_allowmethods.html.en	8.09 KB	-rw-r--r--
mod_allowmethods.html.fr.utf8	8.4 KB	-rw-r--r--
mod_asis.html	386 B	-rw-r--r--
mod_asis.html.en	8.9 KB	-rw-r--r--
mod_asis.html.fr.utf8	9.18 KB	-rw-r--r--
mod_asis.html.ja.utf8	9.74 KB	-rw-r--r--
mod_asis.html.ko.euc-kr	8.47 KB	-rw-r--r--
mod_auth_basic.html	410 B	-rw-r--r--
mod_auth_basic.html.en	19.57 KB	-rw-r--r--
mod_auth_basic.html.fr.utf8	21.6 KB	-rw-r--r--
mod_auth_basic.html.ja.utf8	16.32 KB	-rw-r--r--
mod_auth_basic.html.ko.euc-kr	13.84 KB	-rw-r--r--
mod_auth_digest.html	319 B	-rw-r--r--
mod_auth_digest.html.en	20.11 KB	-rw-r--r--
mod_auth_digest.html.fr.utf8	21.9 KB	-rw-r--r--
mod_auth_digest.html.ko.euc-kr	20.41 KB	-rw-r--r--
mod_auth_form.html	217 B	-rw-r--r--
mod_auth_form.html.en	50.41 KB	-rw-r--r--
mod_auth_form.html.fr.utf8	54.73 KB	-rw-r--r--
mod_authn_anon.html	410 B	-rw-r--r--
mod_authn_anon.html.en	16.5 KB	-rw-r--r--
mod_authn_anon.html.fr.utf8	17.97 KB	-rw-r--r--
mod_authn_anon.html.ja.utf8	18.47 KB	-rw-r--r--
mod_authn_anon.html.ko.euc-kr	16.05 KB	-rw-r--r--
mod_authn_core.html	219 B	-rw-r--r--
mod_authn_core.html.en	16.42 KB	-rw-r--r--
mod_authn_core.html.fr.utf8	17.58 KB	-rw-r--r--
mod_authn_dbd.html	217 B	-rw-r--r--
mod_authn_dbd.html.en	15.09 KB	-rw-r--r--
mod_authn_dbd.html.fr.utf8	16.31 KB	-rw-r--r--
mod_authn_dbm.html	406 B	-rw-r--r--
mod_authn_dbm.html.en	12.69 KB	-rw-r--r--
mod_authn_dbm.html.fr.utf8	13.59 KB	-rw-r--r--
mod_authn_dbm.html.ja.utf8	13.07 KB	-rw-r--r--
mod_authn_dbm.html.ko.euc-kr	11.09 KB	-rw-r--r--
mod_authn_file.html	410 B	-rw-r--r--
mod_authn_file.html.en	11.42 KB	-rw-r--r--
mod_authn_file.html.fr.utf8	12.21 KB	-rw-r--r--
mod_authn_file.html.ja.utf8	12.44 KB	-rw-r--r--
mod_authn_file.html.ko.euc-kr	10.54 KB	-rw-r--r--
mod_authn_socache.html	225 B	-rw-r--r--
mod_authn_socache.html.en	18.82 KB	-rw-r--r--
mod_authn_socache.html.fr.utf8	20.67 KB	-rw-r--r--
mod_authnz_fcgi.html	221 B	-rw-r--r--
mod_authnz_fcgi.html.en	26.98 KB	-rw-r--r--
mod_authnz_fcgi.html.fr.utf8	29.33 KB	-rw-r--r--
mod_authnz_ldap.html	221 B	-rw-r--r--
mod_authnz_ldap.html.en	84.3 KB	-rw-r--r--
mod_authnz_ldap.html.fr.utf8	86.91 KB	-rw-r--r--
mod_authz_core.html	219 B	-rw-r--r--
mod_authz_core.html.en	37.04 KB	-rw-r--r--
mod_authz_core.html.fr.utf8	40.05 KB	-rw-r--r--
mod_authz_dbd.html	217 B	-rw-r--r--
mod_authz_dbd.html.en	18.2 KB	-rw-r--r--
mod_authz_dbd.html.fr.utf8	19.98 KB	-rw-r--r--
mod_authz_dbm.html	313 B	-rw-r--r--
mod_authz_dbm.html.en	12.86 KB	-rw-r--r--
mod_authz_dbm.html.fr.utf8	13.75 KB	-rw-r--r--
mod_authz_dbm.html.ko.euc-kr	10.39 KB	-rw-r--r--
mod_authz_groupfile.html	430 B	-rw-r--r--
mod_authz_groupfile.html.en	10.4 KB	-rw-r--r--
mod_authz_groupfile.html.fr.ut...	10.93 KB	-rw-r--r--
mod_authz_groupfile.html.ja.ut...	9.9 KB	-rw-r--r--
mod_authz_groupfile.html.ko.eu...	8.8 KB	-rw-r--r--
mod_authz_host.html	219 B	-rw-r--r--
mod_authz_host.html.en	13.39 KB	-rw-r--r--
mod_authz_host.html.fr.utf8	14.35 KB	-rw-r--r--
mod_authz_owner.html	414 B	-rw-r--r--
mod_authz_owner.html.en	11.29 KB	-rw-r--r--
mod_authz_owner.html.fr.utf8	11.92 KB	-rw-r--r--
mod_authz_owner.html.ja.utf8	12.93 KB	-rw-r--r--
mod_authz_owner.html.ko.euc-kr	11.1 KB	-rw-r--r--
mod_authz_user.html	410 B	-rw-r--r--
mod_authz_user.html.en	8.11 KB	-rw-r--r--
mod_authz_user.html.fr.utf8	8.37 KB	-rw-r--r--
mod_authz_user.html.ja.utf8	7.39 KB	-rw-r--r--
mod_authz_user.html.ko.euc-kr	6.85 KB	-rw-r--r--
mod_autoindex.html	499 B	-rw-r--r--
mod_autoindex.html.en	60.78 KB	-rw-r--r--
mod_autoindex.html.fr.utf8	67.28 KB	-rw-r--r--
mod_autoindex.html.ja.utf8	64.92 KB	-rw-r--r--
mod_autoindex.html.ko.euc-kr	50.19 KB	-rw-r--r--
mod_autoindex.html.tr.utf8	66.14 KB	-rw-r--r--
mod_brotli.html	211 B	-rw-r--r--
mod_brotli.html.en	21.14 KB	-rw-r--r--
mod_brotli.html.fr.utf8	22.5 KB	-rw-r--r--
mod_buffer.html	211 B	-rw-r--r--
mod_buffer.html.en	9.06 KB	-rw-r--r--
mod_buffer.html.fr.utf8	9.57 KB	-rw-r--r--
mod_cache.html	390 B	-rw-r--r--
mod_cache.html.en	68.08 KB	-rw-r--r--
mod_cache.html.fr.utf8	74.14 KB	-rw-r--r--
mod_cache.html.ja.utf8	52.35 KB	-rw-r--r--
mod_cache.html.ko.euc-kr	38.51 KB	-rw-r--r--
mod_cache_disk.html	410 B	-rw-r--r--
mod_cache_disk.html.en	20.1 KB	-rw-r--r--
mod_cache_disk.html.fr.utf8	21.26 KB	-rw-r--r--
mod_cache_disk.html.ja.utf8	18.36 KB	-rw-r--r--
mod_cache_disk.html.ko.euc-kr	15.72 KB	-rw-r--r--
mod_cache_socache.html	225 B	-rw-r--r--
mod_cache_socache.html.en	18.28 KB	-rw-r--r--
mod_cache_socache.html.fr.utf8	19.06 KB	-rw-r--r--
mod_cern_meta.html	313 B	-rw-r--r--
mod_cern_meta.html.en	11 KB	-rw-r--r--
mod_cern_meta.html.fr.utf8	11.56 KB	-rw-r--r--
mod_cern_meta.html.ko.euc-kr	10.54 KB	-rw-r--r--
mod_cgi.html	382 B	-rw-r--r--
mod_cgi.html.en	18.42 KB	-rw-r--r--
mod_cgi.html.fr.utf8	20.06 KB	-rw-r--r--
mod_cgi.html.ja.utf8	19.72 KB	-rw-r--r--
mod_cgi.html.ko.euc-kr	16.31 KB	-rw-r--r--
mod_cgid.html	386 B	-rw-r--r--
mod_cgid.html.en	11.56 KB	-rw-r--r--
mod_cgid.html.fr.utf8	12.15 KB	-rw-r--r--
mod_cgid.html.ja.utf8	12.2 KB	-rw-r--r--
mod_cgid.html.ko.euc-kr	10.7 KB	-rw-r--r--
mod_charset_lite.html	322 B	-rw-r--r--
mod_charset_lite.html.en	15.35 KB	-rw-r--r--
mod_charset_lite.html.fr.utf8	16.54 KB	-rw-r--r--
mod_charset_lite.html.ko.euc-k...	14.28 KB	-rw-r--r--
mod_data.html	207 B	-rw-r--r--
mod_data.html.en	7.49 KB	-rw-r--r--
mod_data.html.fr.utf8	7.68 KB	-rw-r--r--
mod_dav.html	382 B	-rw-r--r--
mod_dav.html.en	17.91 KB	-rw-r--r--
mod_dav.html.fr.utf8	19.45 KB	-rw-r--r--
mod_dav.html.ja.utf8	20.66 KB	-rw-r--r--
mod_dav.html.ko.euc-kr	17.71 KB	-rw-r--r--
mod_dav_fs.html	394 B	-rw-r--r--
mod_dav_fs.html.en	10.75 KB	-rw-r--r--
mod_dav_fs.html.fr.utf8	11.4 KB	-rw-r--r--
mod_dav_fs.html.ja.utf8	10.6 KB	-rw-r--r--
mod_dav_fs.html.ko.euc-kr	10.17 KB	-rw-r--r--
mod_dav_lock.html	307 B	-rw-r--r--
mod_dav_lock.html.en	9.76 KB	-rw-r--r--
mod_dav_lock.html.fr.utf8	10.32 KB	-rw-r--r--
mod_dav_lock.html.ja.utf8	10.51 KB	-rw-r--r--
mod_dbd.html	205 B	-rw-r--r--
mod_dbd.html.en	24.71 KB	-rw-r--r--
mod_dbd.html.fr.utf8	26.94 KB	-rw-r--r--
mod_deflate.html	398 B	-rw-r--r--
mod_deflate.html.en	28.35 KB	-rw-r--r--
mod_deflate.html.fr.utf8	30.4 KB	-rw-r--r--
mod_deflate.html.ja.utf8	31.06 KB	-rw-r--r--
mod_deflate.html.ko.euc-kr	26.17 KB	-rw-r--r--
mod_dialup.html	211 B	-rw-r--r--
mod_dialup.html.en	7.49 KB	-rw-r--r--
mod_dialup.html.fr.utf8	7.81 KB	-rw-r--r--
mod_dir.html	469 B	-rw-r--r--
mod_dir.html.en	22.39 KB	-rw-r--r--
mod_dir.html.fr.utf8	24.43 KB	-rw-r--r--
mod_dir.html.ja.utf8	19.66 KB	-rw-r--r--
mod_dir.html.ko.euc-kr	16.53 KB	-rw-r--r--
mod_dir.html.tr.utf8	23.66 KB	-rw-r--r--
mod_dumpio.html	301 B	-rw-r--r--
mod_dumpio.html.en	9.62 KB	-rw-r--r--
mod_dumpio.html.fr.utf8	9.99 KB	-rw-r--r--
mod_dumpio.html.ja.utf8	10.32 KB	-rw-r--r--
mod_echo.html	386 B	-rw-r--r--
mod_echo.html.en	7.44 KB	-rw-r--r--
mod_echo.html.fr.utf8	7.58 KB	-rw-r--r--
mod_echo.html.ja.utf8	7.88 KB	-rw-r--r--
mod_echo.html.ko.euc-kr	7.55 KB	-rw-r--r--
mod_env.html	469 B	-rw-r--r--
mod_env.html.en	11.6 KB	-rw-r--r--
mod_env.html.fr.utf8	12.08 KB	-rw-r--r--
mod_env.html.ja.utf8	11.07 KB	-rw-r--r--
mod_env.html.ko.euc-kr	9.9 KB	-rw-r--r--
mod_env.html.tr.utf8	11.72 KB	-rw-r--r--
mod_example_hooks.html	325 B	-rw-r--r--
mod_example_hooks.html.en	11.2 KB	-rw-r--r--
mod_example_hooks.html.fr.utf8	11.9 KB	-rw-r--r--
mod_example_hooks.html.ko.euc-...	10.76 KB	-rw-r--r--
mod_expires.html	398 B	-rw-r--r--
mod_expires.html.en	16.71 KB	-rw-r--r--
mod_expires.html.fr.utf8	17.81 KB	-rw-r--r--
mod_expires.html.ja.utf8	18.29 KB	-rw-r--r--
mod_expires.html.ko.euc-kr	15.08 KB	-rw-r--r--
mod_ext_filter.html	410 B	-rw-r--r--
mod_ext_filter.html.en	18.22 KB	-rw-r--r--
mod_ext_filter.html.fr.utf8	19.71 KB	-rw-r--r--
mod_ext_filter.html.ja.utf8	22.86 KB	-rw-r--r--
mod_ext_filter.html.ko.euc-kr	18.94 KB	-rw-r--r--
mod_file_cache.html	316 B	-rw-r--r--
mod_file_cache.html.en	15.4 KB	-rw-r--r--
mod_file_cache.html.fr.utf8	17.64 KB	-rw-r--r--
mod_file_cache.html.ko.euc-kr	14.45 KB	-rw-r--r--
mod_filter.html	211 B	-rw-r--r--
mod_filter.html.en	31.22 KB	-rw-r--r--
mod_filter.html.fr.utf8	34.81 KB	-rw-r--r--
mod_headers.html	398 B	-rw-r--r--
mod_headers.html.en	33.85 KB	-rw-r--r--
mod_headers.html.fr.utf8	37.21 KB	-rw-r--r--
mod_headers.html.ja.utf8	25.01 KB	-rw-r--r--
mod_headers.html.ko.euc-kr	19.54 KB	-rw-r--r--
mod_heartbeat.html	217 B	-rw-r--r--
mod_heartbeat.html.en	9.55 KB	-rw-r--r--
mod_heartbeat.html.fr.utf8	9.8 KB	-rw-r--r--
mod_heartmonitor.html	223 B	-rw-r--r--
mod_heartmonitor.html.en	12.12 KB	-rw-r--r--
mod_heartmonitor.html.fr.utf8	12.65 KB	-rw-r--r--
mod_http2.html	209 B	-rw-r--r--
mod_http2.html.en	62.64 KB	-rw-r--r--
mod_http2.html.fr.utf8	66.38 KB	-rw-r--r--
mod_ident.html	390 B	-rw-r--r--
mod_ident.html.en	9.94 KB	-rw-r--r--
mod_ident.html.fr.utf8	10.45 KB	-rw-r--r--
mod_ident.html.ja.utf8	10.88 KB	-rw-r--r--
mod_ident.html.ko.euc-kr	9.47 KB	-rw-r--r--
mod_imagemap.html	310 B	-rw-r--r--
mod_imagemap.html.en	21.22 KB	-rw-r--r--
mod_imagemap.html.fr.utf8	23.4 KB	-rw-r--r--
mod_imagemap.html.ko.euc-kr	19.77 KB	-rw-r--r--
mod_include.html	304 B	-rw-r--r--
mod_include.html.en	59.85 KB	-rw-r--r--
mod_include.html.fr.utf8	65.42 KB	-rw-r--r--
mod_include.html.ja.utf8	55.34 KB	-rw-r--r--
mod_info.html	386 B	-rw-r--r--
mod_info.html.en	14.6 KB	-rw-r--r--
mod_info.html.fr.utf8	15.53 KB	-rw-r--r--
mod_info.html.ja.utf8	15.12 KB	-rw-r--r--
mod_info.html.ko.euc-kr	12.6 KB	-rw-r--r--
mod_isapi.html	301 B	-rw-r--r--
mod_isapi.html.en	23.44 KB	-rw-r--r--
mod_isapi.html.fr.utf8	25.48 KB	-rw-r--r--
mod_isapi.html.ko.euc-kr	21.62 KB	-rw-r--r--
mod_lbmethod_bybusyness.html	237 B	-rw-r--r--
mod_lbmethod_bybusyness.html.e...	7.85 KB	-rw-r--r--
mod_lbmethod_bybusyness.html.f...	8.25 KB	-rw-r--r--
mod_lbmethod_byrequests.html	237 B	-rw-r--r--
mod_lbmethod_byrequests.html.e...	12.55 KB	-rw-r--r--
mod_lbmethod_byrequests.html.f...	13.08 KB	-rw-r--r--
mod_lbmethod_bytraffic.html	235 B	-rw-r--r--
mod_lbmethod_bytraffic.html.en	8.2 KB	-rw-r--r--
mod_lbmethod_bytraffic.html.fr...	8.6 KB	-rw-r--r--
mod_lbmethod_heartbeat.html	235 B	-rw-r--r--
mod_lbmethod_heartbeat.html.en	8.29 KB	-rw-r--r--
mod_lbmethod_heartbeat.html.fr...	8.65 KB	-rw-r--r--
mod_ldap.html	207 B	-rw-r--r--
mod_ldap.html.en	52.54 KB	-rw-r--r--
mod_ldap.html.fr.utf8	57.83 KB	-rw-r--r--
mod_log_config.html	504 B	-rw-r--r--
mod_log_config.html.en	35.48 KB	-rw-r--r--
mod_log_config.html.fr.utf8	37.95 KB	-rw-r--r--
mod_log_config.html.ja.utf8	33.81 KB	-rw-r--r--
mod_log_config.html.ko.euc-kr	25.54 KB	-rw-r--r--
mod_log_config.html.tr.utf8	37.34 KB	-rw-r--r--
mod_log_debug.html	217 B	-rw-r--r--
mod_log_debug.html.en	10.17 KB	-rw-r--r--
mod_log_debug.html.fr.utf8	10.76 KB	-rw-r--r--
mod_log_forensic.html	415 B	-rw-r--r--
mod_log_forensic.html.en	12.76 KB	-rw-r--r--
mod_log_forensic.html.fr.utf8	14.38 KB	-rw-r--r--
mod_log_forensic.html.ja.utf8	14.2 KB	-rw-r--r--
mod_log_forensic.html.tr.utf8	13.26 KB	-rw-r--r--
mod_logio.html	479 B	-rw-r--r--
mod_logio.html.en	10.38 KB	-rw-r--r--
mod_logio.html.fr.utf8	11.02 KB	-rw-r--r--
mod_logio.html.ja.utf8	10.25 KB	-rw-r--r--
mod_logio.html.ko.euc-kr	9.23 KB	-rw-r--r--
mod_logio.html.tr.utf8	10.61 KB	-rw-r--r--
mod_lua.html	205 B	-rw-r--r--
mod_lua.html.en	91.74 KB	-rw-r--r--
mod_lua.html.fr.utf8	101.5 KB	-rw-r--r--
mod_macro.html	209 B	-rw-r--r--
mod_macro.html.en	15.14 KB	-rw-r--r--
mod_macro.html.fr.utf8	16.11 KB	-rw-r--r--
mod_md.html	203 B	-rw-r--r--
mod_md.html.en	95.75 KB	-rw-r--r--
mod_md.html.fr.utf8	103.21 KB	-rw-r--r--
mod_mime.html	295 B	-rw-r--r--
mod_mime.html.en	64.63 KB	-rw-r--r--
mod_mime.html.fr.utf8	70.52 KB	-rw-r--r--
mod_mime.html.ja.utf8	70.58 KB	-rw-r--r--
mod_mime_magic.html	219 B	-rw-r--r--
mod_mime_magic.html.en	16.67 KB	-rw-r--r--
mod_mime_magic.html.fr.utf8	17.74 KB	-rw-r--r--
mod_negotiation.html	316 B	-rw-r--r--
mod_negotiation.html.en	21.36 KB	-rw-r--r--
mod_negotiation.html.fr.utf8	23.09 KB	-rw-r--r--
mod_negotiation.html.ja.utf8	22.53 KB	-rw-r--r--
mod_nw_ssl.html	211 B	-rw-r--r--
mod_nw_ssl.html.en	9.5 KB	-rw-r--r--
mod_nw_ssl.html.fr.utf8	9.8 KB	-rw-r--r--
mod_privileges.html	219 B	-rw-r--r--
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Code Editor : mod_authnz_ldap.html.en

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type" />

<title>mod_authnz_ldap - Apache HTTP Server Version 2.4</title>
<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" />
<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" />
<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="../style/css/prettify.css" />
<script src="../style/scripts/prettify.min.js" type="text/javascript">
</script>

<p>This module allows authentication front-ends such as
    <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code> to authenticate users through
    an ldap directory.</p>

<p><code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> supports the following features:</p>

<ul>
      <li>Known to support the <a href="http://www.openldap.org/">OpenLDAP SDK</a> (both 1.x
      and 2.x), <a href="http://developer.novell.com/ndk/cldap.htm">
      Novell LDAP SDK</a> and the <a href="http://www.iplanet.com/downloads/developer/">iPlanet
      (Netscape)</a> SDK.</li>

<li>Complex authorization policies can be implemented by
      representing the policy with LDAP filters.</li>

<li>Uses extensive caching of LDAP operations via <a href="mod_ldap.html">mod_ldap</a>.</li>

<li>Support for LDAP over SSL (requires the Netscape SDK) or
      TLS (requires the OpenLDAP 2.x SDK or Novell LDAP SDK).</li>
    </ul>

<p>When using <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code>, this module is invoked
    via the <code class="directive"><a href="../mod/mod_auth_basic.html#authbasicprovider">AuthBasicProvider</a></code>
    directive with the <code>ldap</code> value.</p>
</div>
<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3>Topics</h3>
<ul id="topics">
<li><img alt="" src="../images/down.gif" /> <a href="#contents">Contents</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#gcaveats">General caveats</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#operation">Operation</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#requiredirectives">The Require Directives</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#examples">Examples</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#usingtls">Using TLS</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#usingssl">Using SSL</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#exposed">Exposing Login Information</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#activedirectory">Using Active Directory</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#frontpage">Using Microsoft
    FrontPage with mod_authnz_ldap</a></li>
</ul><h3 class="directives">Directives</h3>
<ul id="toc">
<li><img alt="" src="../images/down.gif" /> <a href="#authldapauthorizeprefix">AuthLDAPAuthorizePrefix</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapbindauthoritative">AuthLDAPBindAuthoritative</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapbinddn">AuthLDAPBindDN</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapbindpassword">AuthLDAPBindPassword</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapcharsetconfig">AuthLDAPCharsetConfig</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapcompareasuser">AuthLDAPCompareAsUser</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapcomparednonserver">AuthLDAPCompareDNOnServer</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapdereferencealiases">AuthLDAPDereferenceAliases</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapgroupattribute">AuthLDAPGroupAttribute</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapgroupattributeisdn">AuthLDAPGroupAttributeIsDN</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapinitialbindasuser">AuthLDAPInitialBindAsUser</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapinitialbindpattern">AuthLDAPInitialBindPattern</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapmaxsubgroupdepth">AuthLDAPMaxSubGroupDepth</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapremoteuserattribute">AuthLDAPRemoteUserAttribute</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapremoteuserisdn">AuthLDAPRemoteUserIsDN</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapsearchasuser">AuthLDAPSearchAsUser</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapsubgroupattribute">AuthLDAPSubGroupAttribute</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapsubgroupclass">AuthLDAPSubGroupClass</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#authldapurl">AuthLDAPURL</a></li>
</ul>
<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&amp;list_id=144532&amp;product=Apache%20httpd-2&amp;query_format=specific&amp;order=changeddate%20DESC%2Cpriority%2Cbug_severity&amp;component=mod_authnz_ldap">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&amp;component=mod_authnz_ldap">Report a bug</a></li></ul><h3>See also</h3>
<ul class="seealso">
<li><code class="module"><a href="../mod/mod_ldap.html">mod_ldap</a></code></li>
<li><code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code></li>
<li><code class="module"><a href="../mod/mod_authz_user.html">mod_authz_user</a></code></li>
<li><code class="module"><a href="../mod/mod_authz_groupfile.html">mod_authz_groupfile</a></code></li>
<li><a href="#comments_section">Comments</a></li></ul></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="contents" id="contents">Contents</a></h2>

<ul>
      <li> <a href="#gcaveats">General caveats</a> </li>
      <li> <a href="#operation">Operation</a>

<ul>
          <li><a href="#authenphase">The Authentication
          Phase</a></li>

<li><a href="#authorphase">The Authorization
          Phase</a></li>
        </ul>
      </li>

<li>
        <a href="#requiredirectives">The Require Directives</a>

<ul>
          <li><a href="#requser">Require ldap-user</a></li>
          <li><a href="#reqgroup">Require ldap-group</a></li>
          <li><a href="#reqdn">Require ldap-dn</a></li>
          <li><a href="#reqattribute">Require ldap-attribute</a></li>
          <li><a href="#reqfilter">Require ldap-filter</a></li>
        </ul>
      </li>

<li><a href="#examples">Examples</a></li>
      <li><a href="#usingtls">Using TLS</a></li>
      <li><a href="#usingssl">Using SSL</a></li>
      <li><a href="#exposed">Exposing Login Information</a></li>
      <li><a href="#activedirectory">Using Active Directory</a></li>
      <li>
        <a href="#frontpage">Using Microsoft FrontPage with
        <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code></a>

<ul>
          <li><a href="#howitworks">How It Works</a></li>
          <li><a href="#fpcaveats">Caveats</a></li>
        </ul>
      </li>
    </ul>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="gcaveats" id="gcaveats">General caveats</a></h2>
<p> This module caches authentication and authorization results based
on the configuration of <code class="module"><a href="../mod/mod_ldap.html">mod_ldap</a></code>. Changes
made to the backing LDAP server will not be immediately reflected on the
HTTP Server, including but not limited to user lockouts/revocations, 
password changes, or changes to group memberships.  Consult the directives 
in <code class="module"><a href="../mod/mod_ldap.html">mod_ldap</a></code> for details of the cache tunables.
</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="operation" id="operation">Operation</a></h2>

<p>There are two phases in granting access to a user. The first
    phase is authentication, in which the <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code>
    authentication provider verifies that the user's credentials are valid.
    This is also called the <em>search/bind</em> phase. The second phase is
    authorization, in which <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> determines
    if the authenticated user is allowed access to the resource in
    question. This is also known as the <em>compare</em>
    phase.</p>

<p><code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> registers both an authn_ldap authentication
    provider and an authz_ldap authorization handler.  The authn_ldap
    authentication provider can be enabled through the
    <code class="directive"><a href="../mod/mod_auth_basic.html#authbasicprovider">AuthBasicProvider</a></code> directive
    using the <code>ldap</code> value. The authz_ldap handler extends the
    <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code> directive's authorization types
    by adding <code>ldap-user</code>, <code>ldap-dn</code> and <code>ldap-group</code>
    values.</p>

<h3><a name="authenphase" id="authenphase">The Authentication
    Phase</a></h3>

<p>During the authentication phase, <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code>
    searches for an entry in the directory that matches the username
    that the HTTP client passes. If a single unique match is found,
    then <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> attempts to bind to the
    directory server using the DN of the entry plus the password
    provided by the HTTP client. Because it does a search, then a
    bind, it is often referred to as the search/bind phase. Here are
    the steps taken during the search/bind phase.</p>

<ol>
      <li>Generate a search filter by combining the attribute and
      filter provided in the <code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code> directive with
      the username passed by the HTTP client.</li>

<li>Search the directory using the generated filter. If the
      search does not return exactly one entry, deny or decline
      access.</li>

<li>Fetch the distinguished name of the entry retrieved from
      the search and attempt to bind to the LDAP server using that
      DN and the password passed by the HTTP client. If the bind is
      unsuccessful, deny or decline access.</li>
    </ol>

<p>The following directives are used during the search/bind
    phase</p>

<table>
      
      <tr>
        <td><code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code></td>

<td>Specifies the LDAP server, the
        base DN, the attribute to use in the search, as well as the
        extra search filter to use.</td>
      </tr>

<tr>
        <td><code class="directive"><a href="#authldapbinddn">AuthLDAPBindDN</a></code></td>

<td>An optional DN to bind with
        during the search phase.</td>
      </tr>

<tr>
        <td><code class="directive"><a href="#authldapbindpassword">AuthLDAPBindPassword</a></code></td>

<td>An optional password to bind
        with during the search phase.</td>
      </tr>
    </table>

<h3><a name="authorphase" id="authorphase">The Authorization Phase</a></h3>

<p>During the authorization phase, <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code>
    attempts to determine if the user is authorized to access the
    resource.  Many of these checks require
    <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> to do a compare operation on the
    LDAP server. This is why this phase is often referred to as the
    compare phase. <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> accepts the
    following <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code>
    directives to determine if the credentials are acceptable:</p>

<ul>
      <li>Grant access if there is a <a href="#reqgroup"><code>Require ldap-user</code></a> directive, and the
      username in the directive matches the username passed by the
      client.</li>

<li>Grant access if there is a <a href="#reqdn"><code>Require
      ldap-dn</code></a> directive, and the DN in the directive matches
      the DN fetched from the LDAP directory.</li>

<li>Grant access if there is a <a href="#reqgroup"><code>Require ldap-group</code></a> directive, and
      the DN fetched from the LDAP directory (or the username
      passed by the client) occurs in the LDAP group or, potentially, in
      one of its sub-groups.</li>

<li>Grant access if there is a <a href="#reqattribute">
      <code>Require ldap-attribute</code></a>
      directive, and the attribute fetched from the LDAP directory
      matches the given value.</li>

<li>Grant access if there is a <a href="#reqfilter">
      <code>Require ldap-filter</code></a>
      directive, and the search filter successfully finds a single user
      object that matches the dn of the authenticated user.</li>

<li>otherwise, deny or decline access</li>
    </ul>

<p>Other <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code> values may also
    be used which may require loading additional authorization modules.</p>

<ul>
        <li>Grant access to all successfully authenticated users if
        there is a <a href="#requser"><code>Require valid-user</code></a>
        directive. (requires <code class="module"><a href="../mod/mod_authz_user.html">mod_authz_user</a></code>)</li>

<li>Grant access if there is a <a href="#reqgroup"><code>Require group</code></a> directive, and
        <code class="module"><a href="../mod/mod_authz_groupfile.html">mod_authz_groupfile</a></code> has been loaded with the
        <code class="directive"><a href="../mod/mod_authz_groupfile.html#authgroupfile">AuthGroupFile</a></code>
        directive set.</li>

<li>others...</li>
     </ul>

<p><code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> uses the following directives during the
    compare phase:</p>

<table>
      
      <tr>
        <td><code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code> </td>

<td>The attribute specified in the
        URL is used in compare operations for the <code>Require
        ldap-user</code> operation.</td>
      </tr>

<tr>
        <td><code class="directive"><a href="#authldapcomparednonserver">AuthLDAPCompareDNOnServer</a></code></td>

<td>Determines the behavior of the
        <code>Require ldap-dn</code> directive.</td>
      </tr>

<tr>
        <td><code class="directive"><a href="#authldapgroupattribute">AuthLDAPGroupAttribute</a></code></td>

<td>Determines the attribute to
        use for comparisons in the <code>Require ldap-group</code>
        directive.</td>
      </tr>

<tr>
        <td><code class="directive"><a href="#authldapgroupattributeisdn">AuthLDAPGroupAttributeIsDN</a></code></td>

<td>Specifies whether to use the
        user DN or the username when doing comparisons for the
        <code>Require ldap-group</code> directive.</td>
      </tr>

<tr>
        <td><code class="directive"><a href="#authldapmaxsubgroupdepth">AuthLDAPMaxSubGroupDepth</a></code></td>

<td>Determines the maximum depth of sub-groups that will be evaluated
        during comparisons in the <code>Require ldap-group</code> directive.</td>
      </tr>

<tr>
        <td><code class="directive"><a href="#authldapsubgroupattribute">AuthLDAPSubGroupAttribute</a></code></td>

<td>Determines the attribute to use when obtaining sub-group members
        of the current group during comparisons in the <code>Require ldap-group</code>
        directive.</td>
      </tr>

<tr>
        <td><code class="directive"><a href="#authldapsubgroupclass">AuthLDAPSubGroupClass</a></code></td>

<td>Specifies the LDAP objectClass values used to identify if queried directory
        objects really are group objects (as opposed to user objects) during the
        <code>Require ldap-group</code> directive's sub-group processing.</td>
      </tr>
    </table>

</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="requiredirectives" id="requiredirectives">The Require Directives</a></h2>

<p>Apache's <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code>
    directives are used during the authorization phase to ensure that
    a user is allowed to access a resource.  mod_authnz_ldap extends the
    authorization types with <code>ldap-user</code>, <code>ldap-dn</code>,
    <code>ldap-group</code>, <code>ldap-attribute</code> and
    <code>ldap-filter</code>.  Other authorization types may also be
    used but may require that additional authorization modules be loaded.</p>

<p>Since v2.4.8, <a href="../expr.html">expressions</a> are supported
    within the LDAP require directives.</p>

<h3><a name="requser" id="requser">Require ldap-user</a></h3>

<p>The <code>Require ldap-user</code> directive specifies what
    usernames can access the resource. Once
    <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> has retrieved a unique DN from the
    directory, it does an LDAP compare operation using the username
    specified in the <code>Require ldap-user</code> to see if that username
    is part of the just-fetched LDAP entry.  Multiple users can be
    granted access by putting multiple usernames on the line,
    separated with spaces. If a username has a space in it, then it
    must be surrounded with double quotes. Multiple users can also be
    granted access by using multiple <code>Require ldap-user</code>
    directives, with one user per line. For example, with a <code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code> of
    <code>ldap://ldap/o=Example?cn</code> (i.e., <code>cn</code> is
    used for searches), the following Require directives could be used
    to restrict access:</p>
<pre class="prettyprint lang-config">Require ldap-user "Barbara Jenson"
Require ldap-user "Fred User"
Require ldap-user "Joe Manager"</pre>

<p>Because of the way that <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> handles this
    directive, Barbara Jenson could sign on as <em>Barbara
    Jenson</em>, <em>Babs Jenson</em> or any other <code>cn</code> that
    she has in her LDAP entry. Only the single <code>Require
    ldap-user</code> line is needed to support all values of the attribute
    in the user's entry.</p>

<p>If the <code>uid</code> attribute was used instead of the
    <code>cn</code> attribute in the URL above, the above three lines
    could be condensed to</p>
<pre class="prettyprint lang-config">Require ldap-user bjenson fuser jmanager</pre>

<h3><a name="reqgroup" id="reqgroup">Require ldap-group</a></h3>

<p>This directive specifies an LDAP group whose members are
    allowed access. It takes the distinguished name of the LDAP
    group. Note: Do not surround the group name with quotes.
    For example, assume that the following entry existed in
    the LDAP directory:</p>
<div class="example"><pre>dn: cn=Administrators, o=Example
objectClass: groupOfUniqueNames
uniqueMember: cn=Barbara Jenson, o=Example
uniqueMember: cn=Fred User, o=Example</pre></div>

<p>The following directive would grant access to both Fred and
    Barbara:</p>
<pre class="prettyprint lang-config">Require ldap-group cn=Administrators, o=Example</pre>

<p>Members can also be found within sub-groups of a specified LDAP group
    if <code class="directive"><a href="#authldapmaxsubgroupdepth">AuthLDAPMaxSubGroupDepth</a></code>
    is set to a value greater than 0. For example, assume the following entries
    exist in the LDAP directory:</p>
<div class="example"><pre>dn: cn=Employees, o=Example
objectClass: groupOfUniqueNames
uniqueMember: cn=Managers, o=Example
uniqueMember: cn=Administrators, o=Example
uniqueMember: cn=Users, o=Example

dn: cn=Managers, o=Example
objectClass: groupOfUniqueNames
uniqueMember: cn=Bob Ellis, o=Example
uniqueMember: cn=Tom Jackson, o=Example

dn: cn=Administrators, o=Example
objectClass: groupOfUniqueNames
uniqueMember: cn=Barbara Jenson, o=Example
uniqueMember: cn=Fred User, o=Example

dn: cn=Users, o=Example
objectClass: groupOfUniqueNames
uniqueMember: cn=Allan Jefferson, o=Example
uniqueMember: cn=Paul Tilley, o=Example
uniqueMember: cn=Temporary Employees, o=Example

dn: cn=Temporary Employees, o=Example
objectClass: groupOfUniqueNames
uniqueMember: cn=Jim Swenson, o=Example
uniqueMember: cn=Elliot Rhodes, o=Example</pre></div>

<p>The following directives would allow access for Bob Ellis, Tom Jackson,
    Barbara Jenson, Fred User, Allan Jefferson, and Paul Tilley but would not
    allow access for Jim Swenson, or Elliot Rhodes (since they are at a
    sub-group depth of 2):</p>
<pre class="prettyprint lang-config">Require ldap-group cn=Employees, o=Example
AuthLDAPMaxSubGroupDepth 1</pre>

<p>Behavior of this directive is modified by the <code class="directive"><a href="#authldapgroupattribute">AuthLDAPGroupAttribute</a></code>, <code class="directive"><a href="#authldapgroupattributeisdn">AuthLDAPGroupAttributeIsDN</a></code>, <code class="directive"><a href="#authldapmaxsubgroupdepth">AuthLDAPMaxSubGroupDepth</a></code>, <code class="directive"><a href="#authldapsubgroupattribute">AuthLDAPSubGroupAttribute</a></code>, and <code class="directive"><a href="#authldapsubgroupclass">AuthLDAPSubGroupClass</a></code>
    directives.</p>

<h3><a name="reqdn" id="reqdn">Require ldap-dn</a></h3>

<p>The <code>Require ldap-dn</code> directive allows the administrator
    to grant access based on distinguished names. It specifies a DN
    that must match for access to be granted. If the distinguished
    name that was retrieved from the directory server matches the
    distinguished name in the <code>Require ldap-dn</code>, then
    authorization is granted. Note: do not surround the distinguished
    name with quotes.</p>

<p>The following directive would grant access to a specific
    DN:</p>
<pre class="prettyprint lang-config">Require ldap-dn cn=Barbara Jenson, o=Example</pre>

<p>Behavior of this directive is modified by the <code class="directive"><a href="#authldapcomparednonserver">AuthLDAPCompareDNOnServer</a></code>
    directive.</p>

<h3><a name="reqattribute" id="reqattribute">Require ldap-attribute</a></h3>

<p>The <code>Require ldap-attribute</code> directive allows the
    administrator to grant access based on attributes of the authenticated
    user in the LDAP directory.  If the attribute in the directory
    matches the value given in the configuration, access is granted.</p>

<p>The following directive would grant access to anyone with
    the attribute employeeType = active</p>

<pre class="prettyprint lang-config">Require ldap-attribute employeeType="active"</pre>

<p>Multiple attribute/value pairs can be specified on the same line
    separated by spaces or they can be specified in multiple
    <code>Require ldap-attribute</code> directives. The effect of listing
    multiple attribute/values pairs is an OR operation. Access will be
    granted if any of the listed attribute values match the value of the
    corresponding attribute in the user object. If the value of the
    attribute contains a space, only the value must be within double quotes.</p>

<p>The following directive would grant access to anyone with
    the city attribute equal to "San Jose" or status equal to "Active"</p>

<pre class="prettyprint lang-config">Require ldap-attribute city="San Jose" status="active"</pre>

<h3><a name="reqfilter" id="reqfilter">Require ldap-filter</a></h3>

<p>The <code>Require ldap-filter</code> directive allows the
    administrator to grant access based on a complex LDAP search filter.
    If the dn returned by the filter search matches the authenticated user
    dn, access is granted.</p>

<p>The following directive would grant access to anyone having a cell phone
    and is in the marketing department</p>

<pre class="prettyprint lang-config">Require ldap-filter "&amp;(cell=*)(department=marketing)"</pre>

<p>The difference between the <code>Require ldap-filter</code> directive and the
    <code>Require ldap-attribute</code> directive is that <code>ldap-filter</code>
    performs a search operation on the LDAP directory using the specified search
    filter rather than a simple attribute comparison. If a simple attribute
    comparison is all that is required, the comparison operation performed by
    <code>ldap-attribute</code> will be faster than the search operation
    used by <code>ldap-filter</code> especially within a large directory.</p>

<p>When using an <a href="../expr.html">expression</a> within the filter, care
    must be taken to ensure that LDAP filters are escaped correctly to guard against
    LDAP injection. The ldap function can be used for this purpose.</p>

<pre class="prettyprint lang-config">&lt;LocationMatch ^/dav/(?&lt;SITENAME&gt;[^/]+)/&gt;
  Require ldap-filter (memberOf=cn=%{ldap:%{unescape:%{env:MATCH_SITENAME}},ou=Websites,o=Example)
&lt;/LocationMatch&gt;</pre>

</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="examples" id="examples">Examples</a></h2>

<ul>
      <li>
        Grant access to anyone who exists in the LDAP directory,
        using their UID for searches.
<pre class="prettyprint lang-config">AuthLDAPURL "ldap://ldap1.example.com:389/ou=People, o=Example?uid?sub?(objectClass=*)"
Require valid-user</pre>

</li>

<li>
        The next example is the same as above; but with the fields
        that have useful defaults omitted. Also, note the use of a
        redundant LDAP server.
<pre class="prettyprint lang-config">AuthLDAPURL "ldap://ldap1.example.com ldap2.example.com/ou=People, o=Example"
Require valid-user</pre>

</li>

<li>
        The next example is similar to the previous one, but it
        uses the common name instead of the UID. Note that this
        could be problematical if multiple people in the directory
        share the same <code>cn</code>, because a search on <code>cn</code>
        <strong>must</strong> return exactly one entry. That's why
        this approach is not recommended: it's a better idea to
        choose an attribute that is guaranteed unique in your
        directory, such as <code>uid</code>.
<pre class="prettyprint lang-config">AuthLDAPURL "ldap://ldap.example.com/ou=People, o=Example?cn"
Require valid-user</pre>

</li>

<li>
        Grant access to anybody in the Administrators group. The
        users must authenticate using their UID.
<pre class="prettyprint lang-config">AuthLDAPURL ldap://ldap.example.com/o=Example?uid
Require ldap-group cn=Administrators, o=Example</pre>

</li>

<li>
        Grant access to anybody in the group whose name matches the
        hostname of the virtual host. In this example an
        <a href="../expr.html">expression</a> is used to build the filter.
<pre class="prettyprint lang-config">AuthLDAPURL ldap://ldap.example.com/o=Example?uid
Require ldap-group cn=%{SERVER_NAME}, o=Example</pre>

</li>

<li>
        The next example assumes that everyone at Example who
        carries an alphanumeric pager will have an LDAP attribute
        of <code>qpagePagerID</code>. The example will grant access
        only to people (authenticated via their UID) who have
        alphanumeric pagers:
<pre class="prettyprint lang-config">AuthLDAPURL ldap://ldap.example.com/o=Example?uid??(qpagePagerID=*)
Require valid-user</pre>

</li>

<li>
        <p>The next example demonstrates the power of using filters
        to accomplish complicated administrative requirements.
        Without filters, it would have been necessary to create a
        new LDAP group and ensure that the group's members remain
        synchronized with the pager users. This becomes trivial
        with filters. The goal is to grant access to anyone who has
        a pager, plus grant access to Joe Manager, who doesn't
        have a pager, but does need to access the same
        resource:</p>
<pre class="prettyprint lang-config">AuthLDAPURL ldap://ldap.example.com/o=Example?uid??(|(qpagePagerID=*)(uid=jmanager))
Require valid-user</pre>

<p>This last may look confusing at first, so it helps to
        evaluate what the search filter will look like based on who
        connects, as shown below.  If
        Fred User connects as <code>fuser</code>, the filter would look
        like</p>

<div class="example"><p><code>(&amp;(|(qpagePagerID=*)(uid=jmanager))(uid=fuser))</code></p></div>

<p>The above search will only succeed if <em>fuser</em> has a
        pager. When Joe Manager connects as <em>jmanager</em>, the
        filter looks like</p>

<div class="example"><p><code>(&amp;(|(qpagePagerID=*)(uid=jmanager))(uid=jmanager))</code></p></div>

<p>The above search will succeed whether <em>jmanager</em>
        has a pager or not.</p>
      </li>
    </ul>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="usingtls" id="usingtls">Using TLS</a></h2>

<p>To use TLS, see the <code class="module"><a href="../mod/mod_ldap.html">mod_ldap</a></code> directives <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedclientcert">LDAPTrustedClientCert</a></code>, <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedglobalcert">LDAPTrustedGlobalCert</a></code> and <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedmode">LDAPTrustedMode</a></code>.</p>

<p>An optional second parameter can be added to the
    <code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code> to override
    the default connection type set by <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedmode">LDAPTrustedMode</a></code>.
    This will allow the connection established by an <em>ldap://</em> Url
    to be upgraded to a secure connection on the same port.</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="usingssl" id="usingssl">Using SSL</a></h2>

<p>To use SSL, see the <code class="module"><a href="../mod/mod_ldap.html">mod_ldap</a></code> directives <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedclientcert">LDAPTrustedClientCert</a></code>, <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedglobalcert">LDAPTrustedGlobalCert</a></code> and <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedmode">LDAPTrustedMode</a></code>.</p>

<p>To specify a secure LDAP server, use <em>ldaps://</em> in the
    <code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code>
    directive, instead of <em>ldap://</em>.</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="exposed" id="exposed">Exposing Login Information</a></h2>

<p>when this module performs <em>authentication</em>, ldap attributes specified
    in the <code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code>
    directive are placed in environment variables with the prefix "AUTHENTICATE_".</p>

<p>when this module performs <em>authorization</em>, ldap attributes specified
    in the <code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code>
    directive are placed in environment variables with the prefix "AUTHORIZE_".</p>

<p>If the attribute field contains the username, common name
    and telephone number of a user, a CGI program will have access to
    this information without the need to make a second independent LDAP
    query to gather this additional information.</p>

<p>This has the potential to dramatically simplify the coding and
    configuration required in some web applications.</p>

</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="activedirectory" id="activedirectory">Using Active Directory</a></h2>

<p>An Active Directory installation may support multiple domains at the
    same time. To distinguish users between domains, an identifier called
    a User Principle Name (UPN) can be added to a user's entry in the
    directory. This UPN usually takes the form of the user's account
    name, followed by the domain components of the particular domain,
    for example <em>somebody@nz.example.com</em>.</p>

<p>You may wish to configure the <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code>
    module to authenticate users present in any of the domains making up
    the Active Directory forest. In this way both
    <em>somebody@nz.example.com</em> and <em>someone@au.example.com</em>
    can be authenticated using the same query at the same time.</p>

<p>To make this practical, Active Directory supports the concept of
    a Global Catalog. This Global Catalog is a read only copy of selected
    attributes of all the Active Directory servers within the Active
    Directory forest. Querying the Global Catalog allows all the domains
    to be queried in a single query, without the query spanning servers
    over potentially slow links.</p>

<p>If enabled, the Global Catalog is an independent directory server
    that runs on port 3268 (3269 for SSL). To search for a user, do a
    subtree search for the attribute <em>userPrincipalName</em>, with
    an empty search root, like so:</p>

<pre class="prettyprint lang-config">AuthLDAPBindDN apache@example.com
AuthLDAPBindPassword password
AuthLDAPURL ldap://10.0.0.1:3268/?userPrincipalName?sub</pre>

<p>Users will need to enter their User Principal Name as a login, in
    the form <em>somebody@nz.example.com</em>.</p>

</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="frontpage" id="frontpage">Using Microsoft
    FrontPage with mod_authnz_ldap</a></h2>

<p>Normally, FrontPage uses FrontPage-web-specific user/group
    files (i.e., the <code class="module"><a href="../mod/mod_authn_file.html">mod_authn_file</a></code> and
    <code class="module"><a href="../mod/mod_authz_groupfile.html">mod_authz_groupfile</a></code> modules) to handle all
    authentication. Unfortunately, it is not possible to just
    change to LDAP authentication by adding the proper directives,
    because it will break the <em>Permissions</em> forms in
    the FrontPage client, which attempt to modify the standard
    text-based authorization files.</p>

<p>Once a FrontPage web has been created, adding LDAP
    authentication to it is a matter of adding the following
    directives to <em>every</em> <code>.htaccess</code> file
    that gets created in the web</p>
<pre class="prettyprint lang-config">AuthLDAPURL       "the url"
AuthGroupFile     "mygroupfile"
Require group     "mygroupfile"</pre>

<h3><a name="howitworks" id="howitworks">How It Works</a></h3>

<p>FrontPage restricts access to a web by adding the <code>Require
    valid-user</code> directive to the <code>.htaccess</code>
    files. The <code>Require valid-user</code> directive will succeed for
    any user who is valid <em>as far as LDAP is
    concerned</em>. This means that anybody who has an entry in
    the LDAP directory is considered a valid user, whereas FrontPage
    considers only those people in the local user file to be
    valid. By substituting the ldap-group with group file authorization,
    Apache is allowed to consult the local user file (which is managed by
    FrontPage) - instead of LDAP - when handling authorizing the user.</p>

<p>Once directives have been added as specified above,
    FrontPage users will be able to perform all management
    operations from the FrontPage client.</p>

<h3><a name="fpcaveats" id="fpcaveats">Caveats</a></h3>

<ul>
      <li>When choosing the LDAP URL, the attribute to use for
      authentication should be something that will also be valid
      for putting into a <code class="module"><a href="../mod/mod_authn_file.html">mod_authn_file</a></code> user file.
      The user ID is ideal for this.</li>

<li>When adding users via FrontPage, FrontPage administrators
      should choose usernames that already exist in the LDAP
      directory (for obvious reasons). Also, the password that the
      administrator enters into the form is ignored, since Apache
      will actually be authenticating against the password in the
      LDAP database, and not against the password in the local user
      file. This could cause confusion for web administrators.</li>

<li>Apache must be compiled with <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code>,
      <code class="module"><a href="../mod/mod_authn_file.html">mod_authn_file</a></code> and
      <code class="module"><a href="../mod/mod_authz_groupfile.html">mod_authz_groupfile</a></code> in order to
      use FrontPage support. This is because Apache will still use
      the <code class="module"><a href="../mod/mod_authz_groupfile.html">mod_authz_groupfile</a></code> group file for determine
      the extent of a user's access to the FrontPage web.</li>

<li>The directives must be put in the <code>.htaccess</code>
      files. Attempting to put them inside <code class="directive"><a href="../mod/core.html#location">&lt;Location&gt;</a></code> or <code class="directive"><a href="../mod/core.html#directory">&lt;Directory&gt;</a></code> directives won't work. This
      is because <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> has to be able to grab
      the <code class="directive"><a href="../mod/mod_authz_groupfile.html#authgroupfile">AuthGroupFile</a></code>
      directive that is found in FrontPage <code>.htaccess</code>
      files so that it knows where to look for the valid user list. If
      the <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> directives aren't in the same
      <code>.htaccess</code> file as the FrontPage directives, then
      the hack won't work, because <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> will
      never get a chance to process the <code>.htaccess</code> file,
      and won't be able to find the FrontPage-managed user file.</li>
    </ul>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPAuthorizePrefix" id="AuthLDAPAuthorizePrefix">AuthLDAPAuthorizePrefix</a> <a name="authldapauthorizeprefix" id="authldapauthorizeprefix">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Specifies the prefix for environment variables set during
authorization</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPAuthorizePrefix <em>prefix</em></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPAuthorizePrefix AUTHORIZE_</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.3.6 and later</td></tr>
</table>
    <p>This directive allows you to override the prefix used for environment
    variables set during LDAP authorization.  If <em>AUTHENTICATE_</em> is
    specified, consumers of these environment variables see the same information
    whether LDAP has performed authentication, authorization, or both.</p>

<div class="note"><h3>Note</h3>
    No authorization variables are set when a user is authorized on the basis of
    <code>Require valid-user</code>.
    </div>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPBindAuthoritative" id="AuthLDAPBindAuthoritative">AuthLDAPBindAuthoritative</a> <a name="authldapbindauthoritative" id="authldapbindauthoritative">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Determines if other authentication providers are used when a user can be mapped to a DN but the server cannot successfully bind with the user's credentials.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPBindAuthoritative off|on</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPBindAuthoritative on</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
</table>
    <p>By default, subsequent authentication providers are only queried if a
    user cannot be mapped to a DN, but not if the user can be mapped to a DN and their
    password cannot be verified with an LDAP bind.
    If <code class="directive">AuthLDAPBindAuthoritative</code>
    is set to <em>off</em>, other configured authentication modules will have
    a chance to validate the user if the LDAP bind (with the current user's credentials)
    fails for any reason.</p>
    <p> This allows users present in both LDAP and
    <code class="directive"><a href="../mod/mod_authn_file.html#authuserfile">AuthUserFile</a></code> to authenticate
    when the LDAP server is available but the user's account is locked or password
    is otherwise unusable.</p>

<h3>See also</h3>
<ul>
<li><code class="directive"><a href="../mod/mod_authn_file.html#authuserfile">AuthUserFile</a></code></li>
<li><code class="directive"><a href="../mod/mod_auth_basic.html#authbasicprovider">AuthBasicProvider</a></code></li>
</ul>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPBindDN" id="AuthLDAPBindDN">AuthLDAPBindDN</a> <a name="authldapbinddn" id="authldapbinddn">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Optional DN to use in binding to the LDAP server</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPBindDN <em>distinguished-name</em></code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
</table>
    <p>An optional DN used to bind to the server when searching for
    entries. If not provided, <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> will use
    an anonymous bind.</p>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPBindPassword" id="AuthLDAPBindPassword">AuthLDAPBindPassword</a> <a name="authldapbindpassword" id="authldapbindpassword">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Password used in conjunction with the bind DN</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPBindPassword <em>password</em></code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td><em>exec:</em> was added in 2.4.5.</td></tr>
</table>
    <p>A bind password to use in conjunction with the bind DN. Note
    that the bind password is probably sensitive data, and should be
    properly protected. You should only use the <code class="directive"><a href="#authldapbinddn">AuthLDAPBindDN</a></code> and <code class="directive">AuthLDAPBindPassword</code> if you
    absolutely need them to search the directory.</p>

<p>If the value begins with exec: the resulting command will be
    executed and the first line returned to standard output by the
    program will be used as the password.</p>
<pre class="prettyprint lang-config">#Password used as-is
AuthLDAPBindPassword secret

#Run /path/to/program to get my password
AuthLDAPBindPassword exec:/path/to/program

#Run /path/to/otherProgram and provide arguments
AuthLDAPBindPassword "exec:/path/to/otherProgram argument1"</pre>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPCharsetConfig" id="AuthLDAPCharsetConfig">AuthLDAPCharsetConfig</a> <a name="authldapcharsetconfig" id="authldapcharsetconfig">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Language to charset conversion configuration file</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPCharsetConfig <em>file-path</em></code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
</table>
    <p>The <code class="directive">AuthLDAPCharsetConfig</code> directive sets the location
    of the language to charset conversion configuration file. <var>File-path</var> is relative
    to the <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code>. This file specifies
    the list of language extensions to character sets.
    Most administrators use the provided <code>charset.conv</code>
    file, which associates common language extensions to character sets.</p>

<p>The file contains lines in the following format:</p>

<div class="example"><p><code>
      <var>Language-Extension</var> <var>charset</var> [<var>Language-String</var>] ...
    </code></p></div>

<p>The case of the extension does not matter. Blank lines, and lines
    beginning with a hash character (<code>#</code>) are ignored.</p>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPCompareAsUser" id="AuthLDAPCompareAsUser">AuthLDAPCompareAsUser</a> <a name="authldapcompareasuser" id="authldapcompareasuser">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Use the authenticated user's credentials to perform authorization comparisons</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPCompareAsUser on|off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPCompareAsUser off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.3.6 and later</td></tr>
</table>
    <p>When set, and <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> has authenticated the
    user, LDAP comparisons for authorization use the queried distinguished name (DN)
    and HTTP basic authentication password of the authenticated user instead of
    the servers configured credentials.</p>

<p> The <em>ldap-attribute</em>, <em>ldap-user</em>, and <em>ldap-group</em> (single-level only)
    authorization checks use comparisons.</p>

<p>This directive only has effect on the comparisons performed during
    nested group processing when <code class="directive"><a href="#authldapsearchasuser">
    AuthLDAPSearchAsUser</a></code> is also enabled.</p>

<p> This directive should only be used when your LDAP server doesn't
        accept anonymous comparisons and you cannot use a dedicated
        <code class="directive"><a href="#authldapbinddn">AuthLDAPBindDN</a></code>.
    </p>

<h3>See also</h3>
<ul>
<li><code class="directive"><a href="#authldapinitialbindasuser">AuthLDAPInitialBindAsUser</a></code></li>
<li><code class="directive"><a href="#authldapsearchasuser">AuthLDAPSearchAsUser</a></code></li>
</ul>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPCompareDNOnServer" id="AuthLDAPCompareDNOnServer">AuthLDAPCompareDNOnServer</a> <a name="authldapcomparednonserver" id="authldapcomparednonserver">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Use the LDAP server to compare the DNs</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPCompareDNOnServer on|off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPCompareDNOnServer on</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
</table>
    <p>When set, <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> will use the LDAP
    server to compare the DNs. This is the only foolproof way to
    compare DNs.  <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> will search the
    directory for the DN specified with the <a href="#reqdn"><code>Require dn</code></a> directive, then,
    retrieve the DN and compare it with the DN retrieved from the user
    entry. If this directive is not set,
    <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> simply does a string comparison. It
    is possible to get false negatives with this approach, but it is
    much faster. Note the <code class="module"><a href="../mod/mod_ldap.html">mod_ldap</a></code> cache can speed up
    DN comparison in most situations.</p>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPDereferenceAliases" id="AuthLDAPDereferenceAliases">AuthLDAPDereferenceAliases</a> <a name="authldapdereferencealiases" id="authldapdereferencealiases">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>When will the module de-reference aliases</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPDereferenceAliases never|searching|finding|always</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPDereferenceAliases always</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
</table>
    <p>This directive specifies when <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> will
    de-reference aliases during LDAP operations. The default is
    <code>always</code>.</p>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPGroupAttribute" id="AuthLDAPGroupAttribute">AuthLDAPGroupAttribute</a> <a name="authldapgroupattribute" id="authldapgroupattribute">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>LDAP attributes used to identify the user members of
groups.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPGroupAttribute <em>attribute</em></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPGroupAttribute member uniqueMember</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
</table>
    <p>This directive specifies which LDAP attributes are used to
    check for user members within groups. Multiple attributes can be used
    by specifying this directive multiple times. If not specified,
    then <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> uses the <code>member</code> and
    <code>uniqueMember</code> attributes.</p>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPGroupAttributeIsDN" id="AuthLDAPGroupAttributeIsDN">AuthLDAPGroupAttributeIsDN</a> <a name="authldapgroupattributeisdn" id="authldapgroupattributeisdn">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Use the DN of the client username when checking for
group membership</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPGroupAttributeIsDN on|off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPGroupAttributeIsDN on</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
</table>
    <p>When set <code>on</code>, this directive says to use the
    distinguished name of the client username when checking for group
    membership.  Otherwise, the username will be used. For example,
    assume that the client sent the username <code>bjenson</code>,
    which corresponds to the LDAP DN <code>cn=Babs Jenson,
    o=Example</code>. If this directive is set,
    <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> will check if the group has
    <code>cn=Babs Jenson, o=Example</code> as a member. If this
    directive is not set, then <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> will
    check if the group has <code>bjenson</code> as a member.</p>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPInitialBindAsUser" id="AuthLDAPInitialBindAsUser">AuthLDAPInitialBindAsUser</a> <a name="authldapinitialbindasuser" id="authldapinitialbindasuser">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Determines if the server does the initial DN lookup using the basic authentication users'
own username, instead of anonymously or with hard-coded credentials for the server</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPInitialBindAsUser off|on</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPInitialBindAsUser off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.3.6 and later</td></tr>
</table>
    <p>By default, the server either anonymously, or with a dedicated user and
     password, converts the basic authentication username into an LDAP
     distinguished name (DN).  This directive forces the server to use the verbatim username
     and password provided by the incoming user to perform the initial DN
     search.</p>

<p> If the verbatim username can't directly bind, but needs some
     cosmetic transformation, see <code class="directive"><a href="#authldapinitialbindpattern">
     AuthLDAPInitialBindPattern</a></code>.</p>

<p> This directive should only be used when your LDAP server doesn't
         accept anonymous searches and you cannot use a dedicated
         <code class="directive"><a href="#authldapbinddn">AuthLDAPBindDN</a></code>.
     </p>

<h3>See also</h3>
<ul>
<li><code class="directive"><a href="#authldapinitialbindpattern">AuthLDAPInitialBindPattern</a></code></li>
<li><code class="directive"><a href="#authldapbinddn">AuthLDAPBindDN</a></code></li>
<li><code class="directive"><a href="#authldapcompareasuser">AuthLDAPCompareAsUser</a></code></li>
<li><code class="directive"><a href="#authldapsearchasuser">AuthLDAPSearchAsUser</a></code></li>
</ul>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPInitialBindPattern" id="AuthLDAPInitialBindPattern">AuthLDAPInitialBindPattern</a> <a name="authldapinitialbindpattern" id="authldapinitialbindpattern">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Specifies the transformation of the basic authentication username to be used when binding to the LDAP server
to perform a DN lookup</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPInitialBindPattern <em><var>regex</var> <var>substitution</var></em></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPInitialBindPattern (.*) $1 (remote username used verbatim)</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.3.6 and later</td></tr>
</table>
    <p>If <code class="directive"><a href="#authldapinitialbindasuser">AuthLDAPInitialBindAsUser</a></code> is set to
       <em>ON</em>, the basic authentication username will be transformed according to the
       regular expression and substitution arguments.</p>

<p> The regular expression argument is compared against the current basic authentication username.
        The substitution argument may contain backreferences, but has no other variable interpolation.</p>

<p> This directive should only be used when your LDAP server doesn't
        accept anonymous searches and you cannot use a dedicated
        <code class="directive"><a href="#authldapbinddn">AuthLDAPBindDN</a></code>.
    </p>

<pre class="prettyprint lang-config">AuthLDAPInitialBindPattern (.+) $1@example.com</pre>

<pre class="prettyprint lang-config">AuthLDAPInitialBindPattern (.+) cn=$1,dc=example,dc=com</pre>

<div class="note"><h3>Not available with authorization-only</h3>
        This directive can only be used if this module authenticates the user, and
        has no effect when this module is used exclusively for authorization.
    </div>
    <div class="note"><h3>debugging</h3>
        The substituted DN is recorded in the environment variable
        <em>LDAP_BINDASUSER</em>.  If the regular expression does not match the input,
        the verbatim username is used.
    </div>

<h3>See also</h3>
<ul>
<li><code class="directive"><a href="#authldapinitialbindasuser">AuthLDAPInitialBindAsUser</a></code></li>
<li><code class="directive"><a href="#authldapbinddn">AuthLDAPBindDN</a></code></li>
</ul>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPMaxSubGroupDepth" id="AuthLDAPMaxSubGroupDepth">AuthLDAPMaxSubGroupDepth</a> <a name="authldapmaxsubgroupdepth" id="authldapmaxsubgroupdepth">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Specifies the maximum sub-group nesting depth that will be
evaluated before the user search is discontinued.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPMaxSubGroupDepth <var>Number</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPMaxSubGroupDepth 10</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.3.0 and later</td></tr>
</table>
   <p>When this directive is set to a non-zero value <code>X</code>
   combined with use of the <code>Require ldap-group someGroupDN</code>
   directive, the provided user credentials will be searched for
   as a member of the <code>someGroupDN</code> directory object or of
   any group member of the current group up to the maximum nesting
   level <code>X</code> specified by this directive.</p>
   <p>See the <a href="#reqgroup"><code>Require ldap-group</code></a>
   section for a more detailed example.</p>

<div class="note"><h3>Nested groups performance</h3>
   <p> When <code class="directive">AuthLDAPSubGroupAttribute</code> overlaps with
   <code class="directive">AuthLDAPGroupAttribute</code> (as it does by default and
   as required by common LDAP schemas), uncached searching for subgroups in 
   large groups can be very slow. If you use large, non-nested groups, set 
   <code class="directive">AuthLDAPMaxSubGroupDepth</code> to zero.</p>
   </div>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPRemoteUserAttribute" id="AuthLDAPRemoteUserAttribute">AuthLDAPRemoteUserAttribute</a> <a name="authldapremoteuserattribute" id="authldapremoteuserattribute">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Use the value of the attribute returned during the user
query to set the REMOTE_USER environment variable</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPRemoteUserAttribute uid</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>none</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
</table>
    <p>If this directive is set, the value of the
    <code>REMOTE_USER</code> environment variable will be set to the
    value of the attribute specified. Make sure that this attribute is
    included in the list of attributes in the <code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code> definition,
    otherwise this directive will have no effect. This directive, if
    present, takes precedence over <code class="directive"><a href="#authldapremoteuserisdn">AuthLDAPRemoteUserIsDN</a></code>. This
    directive is useful should you want people to log into a website
    using an email address, but a backend application expects the
    username as a userid.</p>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPRemoteUserIsDN" id="AuthLDAPRemoteUserIsDN">AuthLDAPRemoteUserIsDN</a> <a name="authldapremoteuserisdn" id="authldapremoteuserisdn">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Use the DN of the client username to set the REMOTE_USER
environment variable</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPRemoteUserIsDN on|off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPRemoteUserIsDN off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
</table>
    <p>If this directive is set to on, the value of the
    <code>REMOTE_USER</code> environment variable will be set to the full
    distinguished name of the authenticated user, rather than just
    the username that was passed by the client. It is turned off by
    default.</p>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPSearchAsUser" id="AuthLDAPSearchAsUser">AuthLDAPSearchAsUser</a> <a name="authldapsearchasuser" id="authldapsearchasuser">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Use the authenticated user's credentials to perform authorization searches</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPSearchAsUser on|off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPSearchAsUser off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.3.6 and later</td></tr>
</table>
    <p>When set, and <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> has authenticated the
    user, LDAP searches for authorization use the queried distinguished name (DN)
    and HTTP basic authentication password of the authenticated user instead of
    the servers configured credentials.</p>

<p> The <em>ldap-filter</em> and <em>ldap-dn</em> authorization
    checks use searches.</p>

<p>This directive only has effect on the comparisons performed during
    nested group processing when <code class="directive"><a href="#authldapcompareasuser">
    AuthLDAPCompareAsUser</a></code> is also enabled.</p>

<p> This directive should only be used when your LDAP server doesn't
        accept anonymous searches and you cannot use a dedicated
        <code class="directive"><a href="#authldapbinddn">AuthLDAPBindDN</a></code>.
    </p>

<h3>See also</h3>
<ul>
<li><code class="directive"><a href="#authldapinitialbindasuser">AuthLDAPInitialBindAsUser</a></code></li>
<li><code class="directive"><a href="#authldapcompareasuser">AuthLDAPCompareAsUser</a></code></li>
</ul>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPSubGroupAttribute" id="AuthLDAPSubGroupAttribute">AuthLDAPSubGroupAttribute</a> <a name="authldapsubgroupattribute" id="authldapsubgroupattribute">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Specifies the attribute labels, one value per
directive line, used to distinguish the members of the current group that
are groups.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPSubGroupAttribute <em>attribute</em></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPSubGroupAttribute member uniqueMember</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.3.0 and later</td></tr>
</table>
    <p>An LDAP group object may contain members that are users and
    members that are groups (called nested or sub groups). The
    <code class="directive">AuthLDAPSubGroupAttribute</code> directive identifies the
    labels of group members and the <code class="directive"><a href="#authldapgroupattribute">AuthLDAPGroupAttribute</a></code>
    directive identifies the labels of the user members. Multiple
    attributes can be used by specifying this directive multiple times.
    If not specified, then <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> uses the
    <code>member</code> and <code>uniqueMember</code> attributes.</p>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPSubGroupClass" id="AuthLDAPSubGroupClass">AuthLDAPSubGroupClass</a> <a name="authldapsubgroupclass" id="authldapsubgroupclass">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Specifies which LDAP objectClass values identify directory
objects that are groups during sub-group processing.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPSubGroupClass <em>LdapObjectClass</em></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPSubGroupClass groupOfNames groupOfUniqueNames</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.3.0 and later</td></tr>
</table>
    <p>An LDAP group object may contain members that are users and
    members that are groups (called nested or sub groups). The
    <code class="directive"><a href="#authldapsubgroupattribute">AuthLDAPSubGroupAttribute</a></code>
    directive identifies the
    labels of members that may be sub-groups of the current group
    (as opposed to user members). The <code class="directive">AuthLDAPSubGroupClass</code>
    directive specifies the LDAP objectClass values used in verifying that
    these potential sub-groups are in fact group objects. Verified sub-groups
    can then be searched for more user or sub-group members. Multiple
    attributes can be used by specifying this directive multiple times.
    If not specified, then <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> uses the
    <code>groupOfNames</code> and <code>groupOfUniqueNames</code> values.</p>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPURL" id="AuthLDAPURL">AuthLDAPURL</a> <a name="authldapurl" id="authldapurl">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>URL specifying the LDAP search parameters</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPURL <em>url</em> [NONE|SSL|TLS|STARTTLS]</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authnz_ldap</td></tr>
</table>
    <p>An RFC 2255 URL which specifies the LDAP search parameters
    to use. The syntax of the URL is</p>
<div class="example"><p><code>ldap://host:port/basedn?attribute?scope?filter</code></p></div>
    <p>If you want to specify more than one LDAP URL that Apache should try in turn, the syntax is:</p>
<pre class="prettyprint lang-config">AuthLDAPURL "ldap://ldap1.example.com ldap2.example.com/dc=..."</pre>

<p><em><strong>Caveat: </strong>If you specify multiple servers, you need to enclose the entire URL string in quotes;
otherwise you will get an error: "AuthLDAPURL takes one argument, URL to define LDAP connection.." </em>
You can of course use search parameters on each of these.</p>

<dd>For regular ldap, use the
        string <code>ldap</code>. For secure LDAP, use <code>ldaps</code>
        instead. Secure LDAP is only available if Apache was linked
        to an LDAP library with SSL support.</dd>

<dd>
          <p>The name/port of the ldap server (defaults to
          <code>localhost:389</code> for <code>ldap</code>, and
          <code>localhost:636</code> for <code>ldaps</code>). To
          specify multiple, redundant LDAP servers, just list all
          servers, separated by spaces. <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code>
          will try connecting to each server in turn, until it makes a
          successful connection. If multiple ldap servers are specified,
          then entire LDAP URL must be encapsulated in double quotes.</p>

<p>Once a connection has been made to a server, that
          connection remains active for the life of the
          <code class="program"><a href="../programs/httpd.html">httpd</a></code> process, or until the LDAP server goes
          down.</p>

<p>If the LDAP server goes down and breaks an existing
          connection, <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> will attempt to
          re-connect, starting with the primary server, and trying
          each redundant server in turn. Note that this is different
          than a true round-robin search.</p>
        </dd>

<dt>basedn</dt>

<dd>The DN of the branch of the
        directory where all searches should start from. At the very
        least, this must be the top of your directory tree, but
        could also specify a subtree in the directory.</dd>

<dt>attribute</dt>

<dd>The attribute to search for.
        Although RFC 2255 allows a comma-separated list of
        attributes, only the first attribute will be used, no
        matter how many are provided. If no attributes are
        provided, the default is to use <code>uid</code>. It's a good
        idea to choose an attribute that will be unique across all
        entries in the subtree you will be using.  All attributes
        listed will be put into the environment with an AUTHENTICATE_ prefix
        for use by other modules.</dd>

<dt>scope</dt>

<dd>The scope of the search. Can be either <code>one</code> or
        <code>sub</code>. Note that a scope of <code>base</code> is
        also supported by RFC 2255, but is not supported by this
        module. If the scope is not provided, or if <code>base</code> scope
        is specified, the default is to use a scope of
        <code>sub</code>.</dd>

<dt>filter</dt>

<dd>A valid LDAP search filter. If
        not provided, defaults to <code>(objectClass=*)</code>, which
        will search for all objects in the tree. Filters are
        limited to approximately 8000 characters (the definition of
        <code>MAX_STRING_LEN</code> in the Apache source code). This
        should be more than sufficient for any application. In 2.4.10 and later,
        the keyword <code>none</code> disables the use of a filter; this is
        required by some primitive LDAP servers.</dd>
</dl>

<p>When doing searches, the attribute, filter and username passed
    by the HTTP client are combined to create a search filter that
    looks like
    <code>(&amp;(<em>filter</em>)(<em>attribute</em>=<em>username</em>))</code>.</p>

<p>For example, consider an URL of
    <code>ldap://ldap.example.com/o=Example?cn?sub?(posixid=*)</code>. When
    a client attempts to connect using a username of <code>Babs
    Jenson</code>, the resulting search filter will be
    <code>(&amp;(posixid=*)(cn=Babs Jenson))</code>.</p>

<p>An optional parameter can be added to allow the LDAP Url to override
    the connection type.  This parameter can be one of the following:</p>

<dl>
    <dt>NONE</dt>
        <dd>Establish an unsecure connection on the default LDAP port. This
        is the same as <code>ldap://</code> on port 389.</dd>
    <dt>SSL</dt>
        <dd>Establish a secure connection on the default secure LDAP port.
        This is the same as <code>ldaps://</code></dd>
    <dt>TLS | STARTTLS</dt>
        <dd>Establish an upgraded secure connection on the default LDAP port.
        This connection will be initiated on port 389 by default and then
        upgraded to a secure connection on the same port.</dd>
</dl>

<p>See above for examples of <code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code> URLs.</p>

</div>
</div>
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