I'm using McAfee Web Gateway version 188.8.131.52.0 (13603). Last week some users complaining about some "Rule Engine Error - 10100 Internal error". I have searched for error number in community forum but no luck. What's the reason for this error ?
Error screenshot attached.
This is happening due to a problem with your authentication related rules (Authentication server).
Have you modified the default rules/settings as per:
I would suggest reviewing the settings.
Also make sure you do not have the MWG's IP address whitelisted.