this post was submitted on 01 Nov 2023
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Nix / NixOS

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Are there alternatives for the NixOS firewall? (lemm.ee)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/nix
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I've found the built in nix firewall to be somewhat lacking (can't have different ports open on different networks for instance, I would rather reduce my attack surface while out on other people's/public WiFi)

Is it possible to use other firewall software on NixOS declaratively?

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[–] moonpiedumplings 1 points 1 year ago* (last edited 1 year ago)

You want firewalld. Not declarative (probably?), but the only option that can dynamically change firewall rules based on the network you are connected to.

Look into firewalld zones.