The ownCloud software is a bit challenging to configure for LDAP-based authentication and authorization. The configuration screen uses Javascript to save the settings without clicking a "save" button, and some settings don't quite go away just because you unchecked the parent box. If you configure a setting with multiple attributes …
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SuiteCRM LDAP Authentication Using FreeIPA
SuiteCRM LDAP Authentication Using FreeIPA.
The biggest problem with SuiteCRM in LDAP configuration is that there is no "test connection" button to validate the configuration is correct before saving it. Your only testing option is to save the configuration, then open a new window (Incognito mode or a different browser …