I set up the "Cisco VPN" in my UTM under "remote access".
With my iPhone, I downloaded the vpn profile from the Sophos user portal and installed it.
I can establish the VPN connection correctly when connected to my Wifi network (the one where also the Sophos router is running), but as soon as I try it from mobile network (German LTE network O2), it fails.
The Sophos Log shows the following error:
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