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vcp-bula-nixfiles/hosts/yate-dialup/configuration.nix

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{ config, pkgs, lib, ... }:
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{
imports =
[ # Include the results of the hardware scan.
./hardware-configuration.nix
./voip.nix
];
# Use the systemd-boot EFI boot loader.
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
networking.hostName = "yate-dialup";
networking.useNetworkd = true;
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services.resolved.dnssec = "false";
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systemd.network = {
networks."10-ens18" = {
matchConfig = {
Name = "ens18";
};
address = [
"10.42.10.9/24"
"2a01:4f8:1c0c:8221::9/64"
];
gateway = [
"10.42.10.1"
"2a01:4f8:1c0c:8221::1"
];
dns = [
"10.42.10.8"
"2a01:4f8:1c0c:8221::8"
];
};
};
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networking.firewall.enable = false;
networking.nftables = {
enable = true;
ruleset = let
tcpPorts = lib.concatStringsSep ", " (map toString config.networking.firewall.allowedTCPPorts);
in ''
table inet filter {
chain input {
type filter hook input priority 0; policy drop;
iifname lo accept
ct state {established, related} accept
ip6 nexthdr icmpv6 icmpv6 type { destination-unreachable, packet-too-big, time-exceeded, parameter-problem, nd-router-advert, nd-neighbor-solicit, nd-neighbor-advert } accept
ip protocol icmp icmp type { destination-unreachable, router-advertisement, time-exceeded, parameter-problem } accept
ip6 nexthdr icmpv6 icmpv6 type echo-request accept
ip protocol icmp icmp type echo-request accept
tcp dport 22 accept
tcp dport { ${tcpPorts} } accept
udp dport 5060 ip saddr { 10.42.10.6, 217.10.68.150 } accept
udp dport 5060 ip6 saddr { 2a01:4f8:1c0c:8221::6, 2001:ab7::0/64 } accept
}
}
'';
};
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# This value determines the NixOS release from which the default
# settings for stateful data, like file locations and database versions
# on your system were taken. Its perfectly fine and recommended to leave
# this value at the release version of the first install of this system.
# Before changing this value read the documentation for this option
# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
system.stateVersion = "22.05"; # Did you read the comment?
}