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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Sophos Connect 2.3 MR1 iPSec DNS problems but SSL OK

StefanS

Hi there,
After the firmware update to SFOS 20.0.1 MR-1-Build342, we have rolled out the Sophos Connect Client v2.3.1.
It turns out that DNS resolution does not work with IPsec. It looks like the wrong DNS servers are being entered here (ipv6).



With SSL VPN, the DNS servers are forwarded correctly and name resolution also works without any problems.



We did not have these problems with Sophos Connect version 2.2.9 and SFOS 19.5.1.
Any idea why the IPSec connection gives the ipv6 of the gateway as DNS server instead of the IP address of the inner DNS servers ?

Regards
Stefan





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[edited by: Erick Jan at 11:03 AM (GMT -7) on 2 Jul 2024]
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  • 0 in reply to StefanS

    On working machines, the virtual adapter's name would be "Sophos TAP Adapter". Right ?

    On non-working machines, what is the name of virtual adapter ? Do you see any suffix to "Sophos TAP Adapter" ? Like "Sophos TAP Adapter #2" or "Sophos TAP Adapter #3" etc" ?

    You can see these details under "Control Panel\Network and Internet\Network Connections".

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