57 lines
2.4 KiB
Nix
57 lines
2.4 KiB
Nix
{ outputs, ... }:
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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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mailPorts = "{ 25, 143, 465, 587, 993, 4190 }";
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in {
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firewall = {
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allowPing = false;
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# Add extra input rules using nftables
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extraInputRules = ''
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ip saddr { ${outputs.ips.localSpan}.0/24, ${outputs.ips.wgSpan}.0/24 } tcp dport 2049 accept comment "Accept NFS"
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ip saddr { ${outputs.ips.pc}, ${outputs.secrets.lunaIP}, ${outputs.secrets.cornIP} } tcp dport { 1935, 1945 } accept comment "Accept RTMP"
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ip saddr ${outputs.ips.wgSpan}.3 tcp dport ${mailPorts} accept comment "Accept mail"
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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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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 ${outputs.ips.pc}:22 comment "SSH to PC"
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tcp dport 2233 dnat to ${outputs.ips.wgSpan}.3:22 comment "SSH to Oracle VM"
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udp dport { 27005, 27015, 7777 } dnat to ${outputs.ips.pc} comment "PC Hosted Games"
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tcp dport { 58010, 57989, 57984 } dnat to ${outputs.ips.pc} comment "PC Sunshine TCP"
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udp dport { 57998, 57999, 58000 } dnat to ${outputs.ips.pc} comment "PC Sunshine UDP"
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tcp dport { 38010, 37989, 37984 } dnat to ${outputs.ips.vm} comment "VM Sunshine TCP"
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udp dport { 37998, 37999, 38000 } dnat to ${outputs.ips.vm} comment "VM Sunshine UDP"
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udp dport { 7790, 7791, 7792 } dnat to ${outputs.ips.hx} comment "Deus Ex"
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ip saddr ${outputs.secrets.cornIP} tcp dport { 9943, 9944 } dnat to ${outputs.ips.vm} comment "VM ALVR TCP"
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ip saddr ${outputs.secrets.cornIP} udp dport { 9943, 9944 } dnat to ${outputs.ips.vm} comment "VM ALVR UDP"
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}
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chain POSTROUTING {
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type nat hook postrouting priority 100; policy accept;
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oifname "${outputs.ips.netInt}" masquerade
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iifname "${outputs.ips.netInt}" oifname "${outputs.ips.wgInt}" masquerade comment "Traffic from public to WireGuard"
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tcp dport ${mailPorts} oifname != "${outputs.ips.wgInt}" drop comment "Send mail"
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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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