forked from DGNum/infrastructure
88 lines
2.3 KiB
Nix
88 lines
2.3 KiB
Nix
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{
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pkgs,
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lib,
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name,
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...
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}:
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let
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inherit (lib)
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concatStringsSep
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length
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replicate
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splitString
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;
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inherit (lib.lists) map;
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c4 = "(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)";
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mkV4' = p: concatStringsSep "\\." (p ++ (replicate (4 - (length p)) c4));
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mkV4 = s: mkV4' (splitString "." s);
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nft = s: [ "nft" ] ++ [ s ];
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streams' = import ./streams.nix;
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in
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{
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# Switch to nftables
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networking.nftables.enable = true;
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services.reaction = {
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enable = true;
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extraPackages = [ pkgs.nftables ];
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runAsRoot = true;
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logLevel = "WARN";
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settings = {
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patterns = {
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ip = {
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regex = "(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}|(?:(?:[0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,7}:|(?:[0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,5}(?::[0-9a-fA-F]{1,4}){1,2}|(?:[0-9a-fA-F]{1,4}:){1,4}(?::[0-9a-fA-F]{1,4}){1,3}|(?:[0-9a-fA-F]{1,4}:){1,3}(?::[0-9a-fA-F]{1,4}){1,4}|(?:[0-9a-fA-F]{1,4}:){1,2}(?::[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:(?:(?::[0-9a-fA-F]{1,4}){1,6})|:(?:(?::[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(?::[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(?:ffff(?::0{1,4}){0,1}:){0,1}(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9]).){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])|(?:[0-9a-fA-F]{1,4}:){1,4}:(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9]).){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9]))";
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ignoreregex = map mkV4 [
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"10" # Legacy wireguard
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"129.199" # ENS
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"100.76" # Netbird internal
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];
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ignore = [
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"127.0.0.1"
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"::1"
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];
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};
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};
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start = [
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(nft ''
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table inet reaction {
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set ipv4bans {
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type ipv4_addr
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flags interval
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auto-merge
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}
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set ipv6bans {
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type ipv6_addr
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flags interval
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auto-merge
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}
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chain input {
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type filter hook input priority 0
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policy accept
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ip saddr @ipv4bans drop
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ip6 saddr @ipv6bans drop
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}
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}
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'')
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];
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stop = [ (nft "delete table inet reaction") ];
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streams = streams'.default // (streams'.${name} or { });
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};
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};
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}
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