Hello all.
I am new to using Sophos UTM firewalls. After upgrading from a very old version to just an old version, we started having issues where DNS replies would be blocked by ATP. We disabled ATP on the firewall and our name resolution started working again. Yesterday, we caught up at the patching level and tried to re-enable ATP. Still the same - the request goes out but replies are being blocked.
I did a search on ATP trying to get info on how the feature is supposed to be working and so far no luck. Any pointers toward documentation that would explain how the feature works and actual configuration would help.
Thanks
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