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FOSS Firewalls (for Windows)? (infosec.pub)

submitted 5 months ago by [email protected] to c/[email protected]

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I've used Windows Firewall for my whole life but I'm curious if anyone has any recommendations for a solid FOSS replacement. I do still use Windows on one of my systems on a daily basis but I always try to replace as much as possible with FOSS alternatives.

Any suggestions for a good FOSS alternative for Windows Firewall (and not at the router level)?

No, "just use Linux" is not a suggestion. I already do use Linux, but there are some things I do have to use Windows for.

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[–] [email protected] 4 points 5 months ago

I like Simplewall.
By default, it blocks everything and shows you a popup whenever an app or service tries to make a connection, similar to LittleSnitch for MacOS if you're familiar with that.
The first few minutes can be a bit annoying as you figure out just how many background services in Windows are trying to phone home, but after that, great peace of mind knowing nothing will talk to the internet without you knowing.
Definitely overkill for most users, but if you don't mind the initial burden, highly recommend.