os/hosts/frikandel/wireguard.nix

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{
flake,
config,
pkgs,
lib,
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...
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}:
with lib; {
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boot.kernel.sysctl = {
"net.ipv4.ip_forward" = 1;
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"net.ipv6.conf.wg-private.forwarding" = 1;
"net.ipv6.conf.wg-private.accept_ra" = 1;
"net.ipv6.conf.wg-private.accept_ra_pinfo" = 1;
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};
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networking.nat = {
enable = true;
enableIPv6 = true;
externalInterface = "enp1s0";
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internalInterfaces = ["wg-private"];
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};
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networking.firewall.allowedUDPPorts = [51899];
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networking.firewall.extraForwardRules = [
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"iifname { != wg-private } reject"
"iifname wg-private accept"
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];
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systemd.services.wireguard-wg-private = {
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wantedBy = [
"network.target"
"network-online.target"
"nss-lookup.target"
];
serviceConfig = {
Type = mkForce "simple";
Restart = "on-failure";
RestartSec = "30";
};
environment = {
WG_ENDPOINT_RESOLUTION_RETRIES = "infinity";
};
};
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age.secrets.wg-private-key.file = "${flake.self}/secrets/wg-private-frikandel.age";
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# Enable WireGuard
networking.wireguard.interfaces = {
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wg-private = {
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listenPort = 51899;
mtu = 1300;
ips = [
"10.13.12.7/32"
"fd00:b12f:acab:1312:acab:7::/96"
];
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privateKeyFile = config.age.secrets.wg-private-key.path;
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peers = [
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{
# pie
publicKey = "hPTXEqQ2GYEywdPNdZBacwB9KKcoFZ/heClxnqmizyw=";
allowedIPs = [
"10.13.12.2/32"
"fd00:b12f:acab:1312:acab:2::/96"
];
persistentKeepalive = 30;
dynamicEndpointRefreshSeconds = 30;
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}
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{
# droppie
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publicKey = "qsnBMoj9Z16D8PJ5ummRtIfT5AiMpoF3SoOCo4sbyiw=";
allowedIPs = [
"10.13.12.3/32"
"fd00:b12f:acab:1312:acab:3::/96"
];
persistentKeepalive = 30;
dynamicEndpointRefreshSeconds = 30;
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}
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{
# chocolatebar
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publicKey = "nk8EtGE/QsnSEm1lhLS3/w83nOBD2OGYhODIf92G91A=";
allowedIPs = [
"10.13.12.5/32"
"fd00:b12f:acab:1312:acab:5::/96"
];
persistentKeepalive = 30;
dynamicEndpointRefreshSeconds = 30;
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}
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{
# biolimo
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publicKey = "4ymN7wwBuhF+h+5fFN0TqXmVyOe1AsWiTqRL0jJ3CDc=";
allowedIPs = [
"10.13.12.6/32"
"fd00:b12f:acab:1312:acab:6::/96"
];
persistentKeepalive = 30;
dynamicEndpointRefreshSeconds = 30;
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}
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{
# stroopwafel
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publicKey = "5iNRg13utOJ30pX2Z8SjwPNUFwfH2zonlbeYW2mKFkU=";
allowedIPs = [
"10.13.12.8/32"
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"fd00:b12f:acab:1312:acab:8::/96"
];
persistentKeepalive = 30;
dynamicEndpointRefreshSeconds = 30;
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}
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{
# fp3
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publicKey = "wQJXFibxhWkyUbRPrPt5y/YfDnH3gDQ5a/PWoyxDfDI=";
allowedIPs = [
"10.13.12.9/32"
# "fd00:b12f:acab:1312:acab:9::/96"
];
persistentKeepalive = 30;
dynamicEndpointRefreshSeconds = 30;
}
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];
};
};
}