Test
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3 changed files with 128 additions and 9 deletions
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@ -1,7 +1,7 @@
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{ config, lib, pkgs, modulesPath, desktop, username, ... }: {
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imports = [
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./disks.nix
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./xinetd.nix
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./firewall.nix
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./wireguard.nix
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];
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116
nixos/hosts/osaka-vultr-01/firewall.nix
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116
nixos/hosts/osaka-vultr-01/firewall.nix
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{ config, lib, pkgs, ... }: {
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networking.firewall.allowedUDPPorts = [
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3478 # Headscale DERP UDP
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10000 # Jitsi
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];
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networking.firewall.allowedTCPPorts = [
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80 # HTTP
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443 # HTTPS
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25 # SMTP (explicit TLS => STARTTLS)
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465 # ESMTP (implicit TLS)
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587 # ESMTP (explicit TLS => STARTTLS)
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143 # IMAP4 (explicit TLS => STARTTLS)
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993 # IMAP4 (implicit TLS)
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4190 # Sieve support
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42420 # Vintage Story
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25565 # Minecraft
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1443 # Headscale DERP
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4443 # jitsi-jvb
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5222 # Jitsi
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5347 # Jitsi
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5280 # Jitsi
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];
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networking.firewall.extraCommands = ''
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 80 -m conntrack --ctstate NEW -j ACCEPT
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iptables -A FORWARD -i ens3 -o wireguard0 -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
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iptables -A FORWARD -i wireguard0 -o ens3 -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
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# TCP PORTS ##################################################################################################
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# PORT 80
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 80 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 80 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 80 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 443
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 443 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 443 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 443 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 25
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 25 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 25 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 25 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 465
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 465 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 465 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 465 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 587
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 587 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 587 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 587 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 143
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 143 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 143 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 143 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 993
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 993 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 993 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 993 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 4190
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 4190 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 4190 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 4190 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 42420
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 42420 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 42420 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 42420 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 25565
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 25565 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 25565 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 25565 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 1443
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 1443 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 1443 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 1443 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 4443
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 4443 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 4443 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 4443 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 5222
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 5222 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 5222 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 5222 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 5347
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 5347 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 5347 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 5347 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 5280
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iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 5280 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 5280 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 5280 -m conntrack --ctstate NEW -j ACCEPT
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# UDP PORTS ##################################################################################################
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# PORT 10000
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iptables -t nat -A PREROUTING -i ens3 -p udp --dport 10000 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p udp --dport 10000 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p udp --syn --dport 10000 -m conntrack --ctstate NEW -j ACCEPT
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# PORT 3478
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iptables -t nat -A PREROUTING -i ens3 -p udp --dport 3478 -j DNAT --to-destination 10.100.0.2
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iptables -t nat -A POSTROUTING -o wireguard0 -p udp --dport 3478 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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iptables -A FORWARD -i ens3 -o wireguard0 -p udp --syn --dport 3478 -m conntrack --ctstate NEW -j ACCEPT
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'';
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}
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@ -22,12 +22,15 @@
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];
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networking.firewall.extraCommands = ''
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${pkgs.iptables}/bin/iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j DNAT --to 64.176.54.57:80
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${pkgs.iptables}/bin/iptables -t nat -A OUTPUT -d 10.100.0.2 -p tcp --dport 80 -j DNAT --to 64.176.54.57:80
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${pkgs.iptables}/bin/iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 443 -j DNAT --to 64.176.54.57:443
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${pkgs.iptables}/bin/iptables -t nat -A OUTPUT -d 10.100.0.2 -p tcp --dport 443 -j DNAT --to 64.176.54.57:443
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${pkgs.iptables}/bin/iptables -t nat -A PREROUTING -i eth0 -p udp --dport 10000 -j DNAT --to 64.176.54.57:10000
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${pkgs.iptables}/bin/iptables -t nat -A OUTPUT -d 10.100.0.2 -p udp --dport 10000 -j DNAT --to 64.176.54.57:10000
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${pkgs.iptables}/bin/iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 80 -m conntrack --ctstate NEW -j ACCEPT
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${pkgs.iptables}/bin/iptables -A FORWARD -i ens3 -o wireguard0 -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
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${pkgs.iptables}/bin/iptables -A FORWARD -i wireguard0 -o ens3 -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
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${pkgs.iptables}/bin/iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 80 -j DNAT --to-destination 10.100.0.2
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${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 80 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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${pkgs.iptables}/bin/iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 80 -m conntrack --ctstate NEW -j ACCEPT
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${pkgs.iptables}/bin/iptables -t nat -A PREROUTING -i ens3 -p tcp --dport 443 -j DNAT --to-destination 10.100.0.2
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${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -o wireguard0 -p tcp --dport 443 -d 10.100.0.2 -j SNAT --to-source 10.100.0.1
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${pkgs.iptables}/bin/iptables -A FORWARD -i ens3 -o wireguard0 -p tcp --syn --dport 443 -m conntrack --ctstate NEW -j ACCEPT
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'';
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services.xinetd = {
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