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OpenLDAP Proxy to Active Directy

Lambton
Lambton asked
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Last Modified: 2016-08-25
I am trying to create an OpenLDAP proxy in our DMZ to allow authentication from a Webserver to our ActiveDirectory through OpenLDAP Proxy.

I have spun up a couple servers, one Ubuntu 16.04 with the Latest OpenLDAP installed, and also a CentOS7 with the latest OpenLDAP installed.  (I don't need two servers, I only spun up the CentOS because the article I was following was performed on a redhat os, so it made it easier to follow step by step)

I have been following these two guides to make this work:

However I've run into some trouble along the way, it seems neither of these guide work for me, the paths are never the same as what I have, or I get errors starting the slapd ldap service.

-- Unit slapd.service has begun starting up.
Aug 17 09:36:13 D-APP02 runuser[38747]: pam_unix(runuser:session): session opened for user ldap by (uid=0)
Aug 17 09:36:13 D-APP02 runuser[38747]: pam_unix(runuser:session): session closed for user ldap
Aug 17 09:36:13 D-APP02 check-config.sh[38744]: Checking configuration file failed:
Aug 17 09:36:13 D-APP02 check-config.sh[38744]: Unrecognized database type (ldap)
Aug 17 09:36:13 D-APP02 check-config.sh[38744]: 57b4684d /etc/openldap/slapd.conf: line 17: <database> failed init (ldap
Aug 17 09:36:13 D-APP02 check-config.sh[38744]: slaptest: bad configuration file!
Aug 17 09:36:25 D-APP02 slapd[38758]: @(#) $OpenLDAP: slapd 2.4.40 (Mar 31 2016 15:24:52) $
                                              mockbuild@worker1.bsys.centos.org:/builddir/build/BUILD/openldap-2.4.40/op
Aug 17 09:36:37 D-APP02 slapd[38758]: /etc/openldap/slapd.conf: line 17: <database> failed init (ldap)
Aug 17 09:36:37 D-APP02 slapd[38758]: slapd destroy: freeing system resources.
Aug 17 09:36:37 D-APP02 slapd[38758]: slapd stopped.
Aug 17 09:36:37 D-APP02 slapd[38758]: connections_destroy: nothing to destroy.
Aug 17 09:36:37 D-APP02 slapd[38758]: Unrecognized database type (ldap)
Aug 17 09:36:37 D-APP02 polkitd[10164]: Unregistered Authentication Agent for unix-process:38729:7626184 (system bus nam
Aug 17 09:36:37 D-APP02 systemd[1]: slapd.service: control process exited, code=exited status=1
Aug 17 09:36:37 D-APP02 systemd[1]: Failed to start OpenLDAP Server Daemon.
-- Subject: Unit slapd.service has failed

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I'm very new to all this, I have limited Linux knowledge, so when I get into a jam I'm not sure how to troubleshoot it.

Thanks for your time, hopefully someone can help me with this.

Steve
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