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I remember trying out Portmaster on Windows earlier this year. I think Portmaster was running a local DNS server to see what connections were being made. This interfered with my VPN, Mullvad, which was trying to use a remote DNS server.

Does Portmaster still require a local DNS server? I’ve been an avid user of Glasswire for years and it works flawlessly with my VPN. But i would love to switch to a open source alternative.

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Portmaster still (and probably always will) require a local DNS server. Why? Because there is not always and will be less ways in the future to find out which Domain an IP address belongs to.

GlassWire will probably become quite blind as soon as TLS1.3 is rolled out and working as intended.

I will look into Mullvad compatibility again in the coming weeks. I think they also improved some stuff on their side.

User from 2 weeks ago: "Can confirm that Portmaster V.1.0.0 with Mullvard V2022.4 DNS set to 127.0.0.1 and the same setting on the netwerk controller both can life together." from https://github.com/safing/portmaster/issues/313

Awesome, thank you for the reply. Will try out Portmaster again!

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