ipv4 nat rules

This commit is contained in:
Daniel Barlow 2023-06-28 23:51:37 +01:00
parent 1f1164cc98
commit 5306b36181

View file

@ -143,4 +143,28 @@ in {
# "oifname \"int\" ip6 daddr 2001:8b0:de3a:40de::e9d tcp dport 22"
];
};
nat-tx = {
type = "nat";
hook = "postrouting";
priority = "100";
policy = "accept";
family = "ip";
rules = [
"oifname \"ppp0\" masquerade"
];
};
nat-rx = {
type = "nat";
hook = "prerouting";
priority = "-100";
family = "ip";
policy = "accept";
rules = [
# per https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/security_guide/sec-configuring_nat_using_nftables:
# "Even if you do not add a rule to the prerouting chain, the
# nftables framework requires this chain to match incoming
# packet replies. "
];
};
}