We have been struggling with an issue for several days now.
Every 4 hours, we lose Internet connectivity, generally for 10 minutes. After those 10 minutes it comes back up. Email is still going through, but any web traffic stops.
We have tried everything we can think of, such as turning off the auto updates, disabling the filtering, but nothing seems to work.
I am wondering if anyone else has experienced anything similar and, if so, how you addressed it.
We are running Sophos UTM 9 with firmware version 9.312-8 (the problem started before we installed the latest update, but after we had installed the previous one). Otherwise, as far as we know, nothing has changed.
It worked fine Sunday. It did not on Monday.
Thanks,
John
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