Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

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Site-Site VPN issue

Xuan Jun

Hi Guys, I have some issue for Sophos. Recently I have purchase a Fortinet Firewall at Malaysia and original I'm using Sophos Firewall in SG. I trying to set site to site VPN for both of them but it failed. Fortinet I already set up SG public IP and connection between them. The same thing I also do in Sophos Firewall. I raised support ticket to Fortinet, they mentioned XG side is not sending quick-mode message hence the phase2 tunnel does not go up. 



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[edited by: Raphael Alganes at 1:23 PM (GMT -8) on 6 Jan 2025]
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    Hello,

    we have several Sophos to Fortinet site-to-site Tunnels running, this should not be a general problem.

    Could you post a screenshot of the details of the "IPsec profile" for thar connection from the Sophos firewall side?

    Then we need the equivalent definitions from the Fortinet side as well. You can partially obfuscate the public IP, if you wish.

    Mit freundlichem Gruß, best regards from Germany,

    Philipp Rusch

    New Vision GmbH, Germany
    Sophos Silver-Partner

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