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    Configuring LDAP authentication server with MS-AD/Samba

    Scheduled Pinned Locked Moved General pfSense Questions
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    • M
      mjsengineer
      last edited by

      I'm trying to configure pfsense to use an authentication server via samba's LDAP server. Oddly sometimes it works and most times it doesn't. When it works, I jot down the settings. 15 minutes later, the same setting do not work. For the life of me I can see the difference between working and failing setup.

      I created a global security group named VPNadmin and I created a user name 'ldap-bind-user' to login for the bind. I also added the 'ldap-bind-user' to the VPNadmin group. These are the "non-working" settings:

      hostname: ADS.internal.external.com
      Port: 636
      Transport: SSL-Encrypted
      Peer certificate Authority: Samba-CA imported from /var/lib/samba/private/tls/ca.pem
      Client Certificate: samba-server-cert imported from /var/lib/samba/private/tls/cert.pem & key.pem
      Protocol Version: 3
      Server Timeout: 25
      Search Scope: Entire Subtree
      base DN: DC=internal,DC=external,DC=com
      Authentication Containers: CN=Users,DC=internal,DC=external,DC=com
      Extend Query: memberof=CN=VPNadmin,CN=Users,DC=internal,DC=external,DC=com
      Bind Credentials:
      user: CN=ldap-bind-user,CN=Users,DC=internal,DC-external,DC=com
      passwd: apassword
      User naming attribute: samAccountName
      Group Naming Attribute: cn
      Group Member Attribute: memberOf

      On occasion I have been able to bind to the LDAP server.
      In those instances it returns the following organizational units:

      OU=Domain Controllers,DC=internal,DC=external,DC=com
      CN=Users.CN=Builtin,DC=internal,DC=external,DC=com
      CN=Users,DC=internal,DC=external,DC=com

      Not sure if this is a pfsense, LDAP or samba issue.

      Any thought would be greatly appreciated.

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