Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

XGS 3100 becoming unresponsive and requiring hard restart

We have an XGS 3100 which approx. every 1-2 weeks becomes unresponsive and requires a hard restart as it completely stops functioning. We have a smart plug connected now, which automatically powers it off and on again if the network goes down to mitigate the issue.

How can I find the cause of the issue? We've had a replacement device from Sophos but with the same config the issue persists.

Our network is on

We have configured IPSEC and SSL VPNs

We use a Horizon VOIP system which required us to increase the UDP NAT timeout to 600s, and disable SIP.ALG

We have a web/ftp server in the DMZ

All I can think to do is to reconfigure it myself from scratch on a weekend, as I don't know what other admins may have previously done with it. But I'd really prefer not to.

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[edited by: emmosophos at 5:31 PM (GMT -7) on 16 Apr 2024]
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