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feat: allow IGMP traffic and all ICMP traffic

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oddlama 2025-01-26 17:59:58 +01:00
parent c39a285bc9
commit 342c4787ab
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2 changed files with 15 additions and 25 deletions
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35
config/nftables.nix
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@ -15,6 +15,7 @@
iifname lo accept
meta l4proto ipv6-icmp accept
meta l4proto icmp accept
ip protocol igmp accept
tcp dport ${toString (lib.head config.services.openssh.ports)} accept
}
chain forward {
@ -35,26 +36,6 @@
nnf-drop.enable = true;
nnf-loopback.enable = true;
nnf-ssh.enable = true;
nnf-icmp = {
enable = true;
ipv6Types = [
"echo-request"
"destination-unreachable"
"packet-too-big"
"time-exceeded"
"parameter-problem"
"nd-router-advert"
"nd-neighbor-solicit"
"nd-neighbor-advert"
];
ipv4Types = [
"echo-request"
"destination-unreachable"
"router-advertisement"
"time-exceeded"
"parameter-problem"
];
};
};
rules.untrusted-to-local = {
@ -68,6 +49,20 @@
allowedUDPPortRanges
;
};
rules.icmp-and-igmp = {
after = [
"ct"
"ssh"
];
from = "all";
to = [ "local" ];
extraLines = [
"meta l4proto ipv6-icmp accept"
"meta l4proto icmp accept"
"ip protocol igmp accept"
];
};
};
};
}