110 lines
2.7 KiB
Plaintext
110 lines
2.7 KiB
Plaintext
define WAN = wan0
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define LAN = lan0
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table inet filter {
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chain input {
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type filter hook input priority filter; policy accept;
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iifname "lo" accept
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ct state invalid drop
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ct state { established, related } accept
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ip protocol icmpv6 accept
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ip protocol icmp accept
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meta l4proto ipv6-icmp accept
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tcp dport { 22 } accept comment "allow ssh to router"
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udp dport { 546, 53, 67 } accept comment "allow dhcpv6-client, dns, and dhcp"
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udp dport { 60000-60009 } accept comment "allow mosh common ports"
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drop
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}
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chain forward {
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type filter hook forward priority filter; policy accept;
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accept
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}
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chain output {
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type filter hook output priority filter; policy accept;
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accept
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}
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}
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table ip nat {
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chain postrouting {
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type nat hook postrouting priority 100; policy accept;
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oifname $LAN masquerade
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}
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chain prerouting {
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type nat hook prerouting priority -100; policy accept;
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# ip daddr 10.0.0.1 tcp dport { 80, 443 } dnat to 10.0.0.25
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# faceless
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# allow HTTP, HTTPS, gitea's SSH, and host ssh to faceless
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iifname $WAN tcp dport { 443, 80, 2222, 2200 } dnat to 10.0.0.25
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# allow mosh
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iifname $WAN udp dport 60010-60019 dnat to 10.0.0.25
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# allow host ssh
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iifname $WAN tcp dport { 2221 } dnat to 10.0.0.10
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# allow mosh
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iifname $WAN udp dport 60020-60029 dnat to 10.0.0.10
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# ourcraft
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iifname $WAN tcp dport { 25565 } dnat to 10.0.0.244
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}
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}
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# nat ipv4 for lan
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table ip io.systemd.nat {
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set masq_saddr {
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type ipv4_addr
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flags interval
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elements = { 10.0.0.0/24 }
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}
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map map_port_ipport {
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type inet_proto . inet_service : ipv4_addr . inet_service
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}
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chain prerouting {
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type nat hook prerouting priority dstnat + 1; policy accept;
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fib daddr type local dnat ip addr . port to meta l4proto . th dport map @map_port_ipport
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}
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chain output {
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type nat hook output priority -99; policy accept;
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ip daddr != 127.0.0.0/8 oif "lo" dnat ip addr . port to meta l4proto . th dport map @map_port_ipport
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}
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chain postrouting {
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type nat hook postrouting priority srcnat + 1; policy accept;
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ip saddr @masq_saddr masquerade
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}
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}
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table ip6 io.systemd.nat {
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chain input {
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type filter hook input priority filter; policy accept;
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iifname "lo" accept
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ct state invalid drop
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ct state { established, related } accept
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# ip6 protocol icmpv6 accept
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# ip6 protocol icmp accept
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meta l4proto ipv6-icmp accept
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tcp dport { 22, 2200, 2221, 2200, 25565 } accept
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udp dport { 546, 53, 67 } accept comment "allow dhcpv6-client, dns, and dhcp"
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udp dport { 60000-60009 } accept comment "allow mosh common ports"
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drop
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}
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chain forward {
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type filter hook forward priority filter; policy accept;
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accept
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}
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chain output {
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type filter hook output priority filter; policy accept;
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accept
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}
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}
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