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Internet Dropping every 4 hours

jsl.cccu
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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  • 0 in reply to Nicola Biscoe
    A repetitive issue should be trackable but more info would be needed to narrow the list...

    1) If this is an AWS Micro install you may be hitting the AWS Micro capacity limiter

    2) Could be low disk space and excess logfile size... if you have a cron job to gzip the logfile every 4 hours this would free up disk space allowing the O/S to operate properly  if swap size is the root cause of the outage

    Are you running this on AWS UTM9 instance or your own installation using a Sophos license?
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