nix/nixos/hosts/osaka-linode-01/firewall.nix

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{ ... }: {
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networking = {
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firewall = {
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enable = true;
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allowedTCPPorts = [
80 # HTTP
443 # HTTPS
42420 # Vintage Story
25565 # Minecraft
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1443 # Headscale DERP (tcp)
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25 # Mailserver
143 # Mailserver
465 # Mailserver
587 # Mailserver
993 # Mailserver
4190 # Mailserver
4443 # Jitsi
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];
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allowedUDPPorts = [
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3478 # Headscale DERP (udp)
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10000 # Jitsi Meet (udp)
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15636 # Enshrouded - Game
15637 # Enshrouded - Query Port
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];
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};
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nftables = {
enable = true;
ruleset = ''
table ip nat {
chain PREROUTING {
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type nat hook prerouting priority dstnat; policy accept;
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iifname "enp0s4" udp dport 10000 dnat to 10.100.0.2:10000;
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iifname "enp0s4" udp dport 15636 dnat to 10.100.1.2:15636;
iifname "enp0s4" udp dport 15637 dnat to 10.100.1.2:15637;
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}
}
'';
};
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nat = {
enable = true;
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internalInterfaces = [ "enp0s4" ];
externalInterface = "wireguard0";
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forwardPorts = [
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{ sourcePort = 10000; proto = "udp"; destination = "10.100.0.2:10000"; }
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{ sourcePort = 15636; proto = "udp"; destination = "10.100.1.2:15636"; }
{ sourcePort = 15637; proto = "udp"; destination = "10.100.1.2:15637"; }
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];
};
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};
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services.haproxy = {
enable = true;
config = ''
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defaults
timeout connect 10s
timeout client 30s
timeout server 30s
maxconn 3000
log global
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frontend http
mode http
bind :80
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option forwardfor
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default_backend backend_http
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backend backend_http
mode http
server framework-server 10.100.0.2
frontend https
mode tcp
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bind :443 ssl crt /Storage/Data/Docker/sysctl.io/letsencrypt/external/*.sysctl.io/combined.pem
default_backend backend_https
backend backend_http
mode http
server framework-server 10.100.0.2:443 ssl verity required ca-file /Storage/Data/Docker/sysctl.io/letsencrypt/external/*.sysctl.io/combined.pem
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frontend tcp
mode tcp
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bind :42420
bind :25565
bind :4443
default_backend backend_tcp
backend backend_tcp
mode tcp
server framework-server 10.100.0.2
frontend mail
mode tcp
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bind :25
bind :143
bind :465
bind :587
bind :993
bind :4190
default_backend backend_mail
backend backend_mail
mode tcp
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server mailserver-wg 10.100.1.3
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'';
};
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}