https://community.sophos.com/sophos-xg-firewall/b/blog/posts/sophos-firewall-v19-mr1-is-now-available
Release Notes: https://docs.sophos.com/releasenotes/output/en-us/nsg/sf_190_rn.html
"Old" V18.5 MR4 Thread: https://community.sophos.com/sophos-xg-firewall/f/discussions/134965/sophos-firewall-v18-5-mr4-feedback-and-experiences
V19.0 GA Thread: https://community.sophos.com/sophos-xg-firewall/f/discussions/134009/sophos-firewall-v19-0-ga-feedback-and-experiences
See KIL:
Fall into the same "trap".
After the recent change of SSLVPN in V19.0, you need to specify the subnet range correctly.
See: https://community.sophos.com/sophos-xg-firewall/f/recommended-reads…
When I open Global SSL VPN settings, and change nothing, I get this.
Canot figure out what is missing?
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Best regardsMartin
Sophos XGS 2100 @ Home | Sophos v19 Architect
See: https://community.sophos.com/sophos-xg-firewall/f/recommended-reads/132121/ssl-vpn-ipv4-lease-range-changes-in-sfos-v19
Because likely your network above in the SSLVPN Range is not a range IP, instead it is a IP. Change it to .0, and you can save.
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Confirmed - it worked :-)