Hello everybody,
Error:
while authenticating a existing user, it is not possible to logon: The supplied credentials could not be authenticated.
Solution:
the Username was "firstname_lastname". The Underscore is not allowed! Changing the LDAP-Username to firstname.lastname was the solution. The user could logon again.
I hope this is a help for everybody. I would recommend to activate the Errorlog with:
## Logging Debug-Information for LDAP $wgLDAPDebug = 3; $wgDebugLogGroups["ldap"] = "/var/log/nginx/wiki_ldap.log";
Regards