passthrough.fw-notify.net authentication returns "Invalid Request" using return token

Just upgraded my SG230 Firewall to Firmware 9.720-5. Since then, the usual passthrough.fw-notify URL as shown below: (*****)://passthrough.fw-notify(dot)net/static/auth_transparent.html?return=(**...
Method for Migration: From Sophos SG UTM 9 version 9.719-3 to Sophos XGS latest version

Hi Community members, This post is because: We begin a contract to replace our Sophos SG to Sophos XGS as platform with support from the manufacturer. I open this discussion because: Someone...
SSL Remote access does not work from USA to germany

Hi, my kid is in the states.... so for mail and stuff we need that vpn, but: the VPN works if i connect from my phone in germany or EU. country blocking for USA is turned off and its the USA and...
[WARN-603] Let's Encrypt certificate renewal failed accessing Let's Encrypt service

I am getting this after doing some updates. It seems to be timing out. It is on Sophos UTM 9.720-5. It is a SG210. Any help or suggestions would be great or if you need some addition info let me know...
UTM 9 software as ProtonVPN client

This question hasn't been asked in 7 years. Has anyone gotten this to work. Essentially, I'd like Proton to be the parent proxy for the UTM. Thanks!