Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.
If you are not registered in Active Directory, you cannot access the internet. How can I do it?
Hello
Here are some of the authentication methods: Sophos Firewall: Authentication Methods - Recommended Reads - Sophos Firewall - Sophos Community
You can create a firewall rule that once they have logged in they will be able to connect to the internet or for seamless connection I would suggest looking into STAS authentication
Let me also share with you the kb-article regarding the configuration of the Active directory with Sophos firewall: Configure Active Directory authentication - Sophos Firewall
Let us know if this works
