2024-08-24 22:16:51 -04:00
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{
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# Allow forwarding
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boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
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# Configure firewall
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networking = let
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2024-08-24 22:32:58 -04:00
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ips = import ../modules/ips.nix;
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secrets = import ../../../secrets.nix;
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2024-08-24 22:16:51 -04:00
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in {
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firewall = {
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allowPing = false;
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allowedTCPPorts = [
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80 443 # Nginx
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25565 19132 5657 # Pufferpanel
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2299 # Gitea SSH
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3478 5349 # Coturn
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];
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allowedTCPPortRanges = [
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{ from = 8100; to = 8150; } # Azuracast
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];
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allowedUDPPorts = [
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25565 19132 # Minecraft Voicechat and Bedrock
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3478 5349 # Coturn UDP
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];
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allowedUDPPortRanges = [
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{ from = 49000; to = 50000; } # Coturn range
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];
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# Add extra input rules using nftables
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extraInputRules = ''
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ip saddr ${ips.localSpan}.0/24 tcp dport 2049 accept comment "Accept NFS"
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ip saddr ${ips.localSpan}.0/24 udp dport 53 accept comment "Accept DNS"
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ip saddr { ${ips.pc}, ${secrets.lunaIP}, ${secrets.cornIP}, ${secrets.vertIP} } tcp dport { 1935, 1945 } accept comment "Accept RTMP"
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'';
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};
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# Enable nftables and forwarding
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nftables = {
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enable = true;
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tables = {
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forwarding = {
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family = "ip";
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content = ''
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chain PREROUTING {
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type nat hook prerouting priority dstnat; policy accept;
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tcp dport 2211 dnat to ${ips.pc}:22 comment "SSH to PC"
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udp dport { 27005, 27015, 7777 } dnat to ${ips.pc} comment "Games to PC"
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tcp dport { 58010, 57989, 57984 } dnat to ${ips.pc} comment "Sunshine TCP to PC"
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udp dport { 57998, 57999, 58000 } dnat to ${ips.pc} comment "Sunshine UDP to PC"
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tcp dport { 38010, 37989, 37984 } dnat to ${ips.vm} comment "Sunshine TCP to VM"
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udp dport { 37998, 37999, 38000 } dnat to ${ips.vm} comment "Sunshine UDP to VM"
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ip saddr ${secrets.cornIP} tcp dport { 9943, 9944 } dnat to ${ips.vm} comment "ALVR TCP to VM"
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ip saddr ${secrets.cornIP} udp dport { 9943, 9944 } dnat to ${ips.vm} comment "ALVR UDP to VM"
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}
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chain POSTROUTING {
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type nat hook postrouting priority 100; policy accept;
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oifname "${ips.netInt}" masquerade
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}
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'';
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};
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};
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};
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};
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}
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