osTicket v1.16.3 (e148727) Unable to connect any listed LDAP servers

stefanlanziner

Unable to connect any listed LDAP servers
Bind failed: Can't contact LDAP server: Unable to bind to server x.x.x.x

KevinTheJedi

As the error states osTicket cannot connect to the configured LDAP servers you provided. Check your firewall, any special server rules, etc.

Cheers.

stefanlanziner

hi,
the firewall rules are ok. i can make a telnet from the osticket-server to the domain vontroller on port 636.
thanks
best regards

KevinTheJedi

stefanlanziner

And just to confirm I just setup 1.16.x with PHP 8.0 and OpenLDAP and everything was working properly. So definitely sounds like some sort of connection issue to me (firewall, wrong port, security rules, etc.).

Cheers.

ntozier

You want to fix your PHP.ini date.time directive first.
If your date/time is off by too much it can cause wonky connection issues.

Is that the whole error that you are getting?
When you say you can telnet to a server are you doing it from you web server?
Have you tried port 389?

You will also want to look at your logs. The PHP error logs might provide some more insight into why its not connected.
You can also run a ldap connection tool on the server to see if you can connect to an ldap server from the web server, and/or a ldap connection script in php.

The ldap/php tutorial here would help with that.
https://riptutorial.com/ldap/example/19797/setting-up-php-to-work-with-ldap

or something like
https://stackoverflow.com/questions/54544786/how-can-i-connect-to-active-directory-using-ldaps-on-php?rq=1

stefanlanziner

ntozier
i configured date/time:

but the error.essages remains:

Unable to connect any listed LDAP servers
Bind failed: Can't contact LDAP server: Unable to bind to server x.x.x.x

yes, telnet works from the webserver.
no, i don't tried with 389, but i can try it ...

KevinTheJedi

stefanlanziner

Yea, 389 is the standard port. In the LDAP Servers section put something like yourLDAPdomain.com:389. If you want to use port 636 that's typically an SSL port in which you can try enabling the setting Use TLS for this connection.

Cheers.

stefanlanziner

KevinTheJedi

hi,
port 636 with tls doesn't work.

now with port 389 open the configuration works.

thanks
best regards