LDAP与PHP CLI配合使用，但不能通过apache配合使用 [英] LDAP works with PHP CLI but not through apache

问题描述

我正在尝试从Fedora框中针对Windows 2008 Server通过LDAP进行身份验证.

I'm trying to authenticate over LDAP against a Windows 2008 Server from a Fedora box.

以下代码可从命令行运行(打印成功"):

The following code works from the command line (prints "Success"):

if($ldap = ldap_connect('10.0.0.101'))
{
  ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
  $bind = ldap_bind($ldap,'[e-mail]','XXXXXXX');
  print ldap_error($ldap);
}

...通过Apache/mod_php拉同一个文件将显示无法联系LDAP服务器"

...pulling the same file via Apache/mod_php prints "Can't contact LDAP server"

我已经看到很多关于此类问题的报告，但是没有有关如何解决该问题的有用信息.

I've seen a lot of reports of issues like this, but no useful information on how to resolve it.

推荐答案

我在centos6上解决了这个确切的问题很长时间了. php.ini的区别似乎是检查的好地方，但并没有给我答案.事实证明，这与SELinux有关.

I just fought this exact problem for a long time on centos6. The php.ini difference seem like a good place to check, but it didn't give me the answer. It turns out this was related to SELinux.

$ getsebool -a | grep httpd
allow_httpd_anon_write --> off
allow_httpd_mod_auth_ntlm_winbind --> off
allow_httpd_mod_auth_pam --> off
allow_httpd_sys_script_anon_write --> off
httpd_builtin_scripting --> on
httpd_can_check_spam --> off
httpd_can_network_connect --> off
httpd_can_network_connect_cobbler --> off
httpd_can_network_connect_db --> on
httpd_can_network_memcache --> on
httpd_can_network_relay --> off
httpd_can_sendmail --> off
httpd_dbus_avahi --> on
httpd_enable_cgi --> on
httpd_enable_ftp_server --> off
httpd_enable_homedirs --> off
httpd_execmem --> off
httpd_manage_ipa --> off
httpd_read_user_content --> off
httpd_run_stickshift --> off
httpd_setrlimit --> off
httpd_ssi_exec --> off
httpd_tmp_exec --> off
httpd_tty_comm --> on
httpd_unified --> on
httpd_use_cifs --> off
httpd_use_gpg --> off
httpd_use_nfs --> off
httpd_use_openstack --> off
httpd_verify_dns --> off

您会注意到，在我的情况下，httpd_can_network_connect设置为关闭.这是SELinux中的布尔值，可以使用以下命令进行调整.

You'll note, that in my case, httpd_can_network_connect was set to off. This is a boolean in SELinux and can be adjusted with the following command.

$ setsebool -P httpd_can_network_connect on

您可以在 http://wiki.centos.org/TipsAndTricks/SelinuxBooleans 上了解更多信息.以apache和ldap为例.希望对您有帮助！

You can read more about this at http://wiki.centos.org/TipsAndTricks/SelinuxBooleans which explicitly uses the case of apache and ldap as an example. Hope it helps!

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