mirror of
https://github.com/GrapheneOS/infrastructure.git
synced 2024-06-29 07:42:07 +00:00
53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
|
#!/usr/bin/nft -f
|
||
|
|
||
|
flush ruleset
|
||
|
|
||
|
table inet filter {
|
||
|
chain prerouting-raw {
|
||
|
type filter hook prerouting priority raw
|
||
|
|
||
|
iif lo notrack
|
||
|
tcp dport {ssh, smtp, http, submissions, imaps} notrack
|
||
|
ip protocol icmp notrack
|
||
|
meta l4proto ipv6-icmp notrack
|
||
|
}
|
||
|
|
||
|
chain output-raw {
|
||
|
type filter hook output priority raw
|
||
|
|
||
|
oif lo notrack
|
||
|
tcp sport {ssh, smtp, http, submissions, imaps} notrack
|
||
|
ip protocol icmp notrack
|
||
|
meta l4proto ipv6-icmp notrack
|
||
|
}
|
||
|
|
||
|
chain input {
|
||
|
type filter hook input priority filter
|
||
|
policy drop
|
||
|
|
||
|
iif lo accept
|
||
|
tcp dport {ssh, smtp, http, submissions, imaps} accept
|
||
|
ip protocol icmp accept
|
||
|
meta l4proto ipv6-icmp accept
|
||
|
|
||
|
ct state vmap { invalid : drop, established : accept, related : accept }
|
||
|
|
||
|
meta l4proto udp reject
|
||
|
meta l4proto tcp reject with tcp reset
|
||
|
reject
|
||
|
}
|
||
|
|
||
|
chain forward {
|
||
|
type filter hook forward priority filter
|
||
|
policy drop
|
||
|
}
|
||
|
|
||
|
chain output {
|
||
|
type filter hook output priority filter
|
||
|
|
||
|
oif lo accept
|
||
|
|
||
|
skuid != {root, systemd-network, chrony, unbound, postfix, dovecot, dovenull} counter reject
|
||
|
}
|
||
|
}
|