115 lines
3.1 KiB
Plaintext
115 lines
3.1 KiB
Plaintext
define WAN = eth0
|
|
define LAN = lan0
|
|
|
|
define ROUTER_TCP_PORTS = { 22 }
|
|
define ROUTER_UDP_PORTS = { 546, 53, 67 }
|
|
define ROUTER_INET_PORTS = { 546, 53, 67 }
|
|
define FACELESS_TCP_PORTS = { 443, 80, 2222, 2200 }
|
|
# define FACELESS_UDP_PORTS = { }
|
|
define DRAGON_TCP_PORTS = { 2221 }
|
|
# define DRAGON_UDP_PORTS = { }
|
|
|
|
table inet filter {
|
|
chain input {
|
|
type filter hook input priority filter; policy accept;
|
|
iifname "lo" accept
|
|
icmpv6 type {echo-request,nd-neighbor-solicit,nd-neighbor-advert,nd-router-solicit,nd-router-advert,mld-listener-query} accept
|
|
ct state { established, related } accept
|
|
ct state invalid drop
|
|
ip protocol icmp accept
|
|
meta l4proto ipv6-icmp accept
|
|
tcp dport $ROUTER_TCP_PORTS accept
|
|
udp dport $ROUTER_UDP_PORTS accept
|
|
drop
|
|
}
|
|
|
|
chain forward {
|
|
type filter hook forward priority filter; policy accept;
|
|
accept
|
|
}
|
|
|
|
chain output {
|
|
type filter hook output priority filter; policy accept;
|
|
accept
|
|
}
|
|
}
|
|
|
|
table ip nat {
|
|
chain postrouting {
|
|
type nat hook postrouting priority 100; policy accept;
|
|
oifname $LAN masquerade
|
|
}
|
|
|
|
chain prerouting {
|
|
type nat hook prerouting priority -100; policy accept;
|
|
|
|
# ip daddr 10.0.0.1 tcp dport { 80, 443 } dnat to 10.0.0.10
|
|
|
|
iifname $WAN tcp dport $FACELESS_TCP_PORTS dnat to 10.0.0.10
|
|
# iifname $WAN udp dport $FACELESS_UDP_PORTS dnat to 10.0.0.10
|
|
iifname $WAN udp dport 60000-60009 dnat to 10.0.0.10
|
|
|
|
iifname $WAN tcp dport $DRAGON_TCP_PORTS dnat to 10.0.0.5
|
|
# iifname $WAN udp dport $DRAGON_UDP_PORTS dnat to 10.0.0.5
|
|
iifname $WAN udp dport 60020-60029 dnat to 10.0.0.5
|
|
}
|
|
}
|
|
|
|
# the following two blocks were generated by restarting systemd-networkd and
|
|
# dumping nftables
|
|
|
|
# nat ipv4 for lan
|
|
table ip io.systemd.nat {
|
|
set masq_saddr {
|
|
type ipv4_addr
|
|
flags interval
|
|
elements = { 10.0.0.0/24 }
|
|
}
|
|
|
|
map map_port_ipport {
|
|
type inet_proto . inet_service : ipv4_addr . inet_service
|
|
}
|
|
|
|
chain prerouting {
|
|
type nat hook prerouting priority dstnat + 1; policy accept;
|
|
fib daddr type local dnat ip addr . port to meta l4proto . th dport map @map_port_ipport
|
|
}
|
|
|
|
chain output {
|
|
type nat hook output priority -99; policy accept;
|
|
ip daddr != 127.0.0.0/8 oif "lo" dnat ip addr . port to meta l4proto . th dport map @map_port_ipport
|
|
}
|
|
|
|
chain postrouting {
|
|
type nat hook postrouting priority srcnat + 1; policy accept;
|
|
ip saddr @masq_saddr masquerade
|
|
}
|
|
}
|
|
|
|
# nat ipv6 for lan (probably unnecessary?)
|
|
# table ip6 io.systemd.nat {
|
|
# set masq_saddr {
|
|
# type ipv6_addr
|
|
# flags interval
|
|
# }
|
|
#
|
|
# map map_port_ipport {
|
|
# type inet_proto . inet_service : ipv6_addr . inet_service
|
|
# }
|
|
#
|
|
# chain prerouting {
|
|
# type nat hook prerouting priority dstnat + 1; policy accept;
|
|
# fib daddr type local dnat ip6 addr . port to meta l4proto . th dport map @map_port_ipport
|
|
# }
|
|
#
|
|
# chain output {
|
|
# type nat hook output priority -99; policy accept;
|
|
# ip6 daddr != ::1 oif "lo" dnat ip6 addr . port to meta l4proto . th dport map @map_port_ipport
|
|
# }
|
|
#
|
|
# chain postrouting {
|
|
# type nat hook postrouting priority srcnat + 1; policy accept;
|
|
# ip6 saddr @masq_saddr masquerade
|
|
# }
|
|
# }
|