The nixos firewall can in fact be configured per interface. https://search.nixos.org/options?channel=23.05&show=networking.firewall.interfaces.%3Cname%3E.allowedTCPPorts&from=0&size=50&sort=relevance&type=packages&query=Networking.Firewall.Interfaces
adamcstephens
joined 11 months ago
Well if that link doesn’t work,
networking.firewall.interfaces..allowedTCPPorts