Authenticate/Decrypt packet error: packet HMAC authentication failed

Hello altogether, we still have a UTM here in version 9.719-3. We also have the latest Connect Client. There is now one employee, at least I only know of one, who keeps getting the message “Authenticate...
UTM 9 Free version - Nice gesture for Sophos UTM fans.

The free version of UTM 9 for home users offering the full functionality of the commercial version is a nice gesture towards the community that for many years could use this solution free of charge. ...
Sophos SG135 WAN side firewall configuration

I have revisited my firewall configuration and have a problem. I have found that the destination for internet bound traffic on a subnet had been set to all rather than WAN. This didn't look right so...
Can't connect Shelly to Homeassistant through different Sophos UTM VLANs

Hey everyone, i have a problem here which turns out to be my final boss. What am I planning to do? I run two Sophos UTM firewalls at home, a UTM 320 which manages the LAN and an SG115 which manages...
Sophos SG135 WAN side firewall configuration new problem creating a Vlan interface

I have a few subnets and have been trying to bring some discipline to my firewall configuration. Because the system is live I am trying to create a new interface Test_Network on a VALN using my private...