stockholm/tv/2configs/sshd.nix
2023-06-21 14:38:42 +02:00

28 lines
877 B
Nix

with import ./lib;
{ config, ... }: let
cfg.host = config.krebs.build.host;
nets =
optional (cfg.host.nets?retiolum) cfg.host.nets.retiolum ++
optional (cfg.host.nets?wiregrill) cfg.host.nets.wiregrill;
in {
services.openssh = {
enable = true;
};
tv.iptables.input-internet-accept-tcp = singleton "ssh";
tv.iptables.extra.nat.OUTPUT = [
"-o lo -p tcp --dport 11423 -j REDIRECT --to-ports 22"
];
tv.iptables.extra4.nat.PREROUTING =
map
(net: "-d ${net.ip4.addr} -p tcp --dport 22 -j ACCEPT")
(filter (net: net.ip4 != null) nets);
tv.iptables.extra6.nat.PREROUTING =
map
(net: "-d ${net.ip6.addr} -p tcp --dport 22 -j ACCEPT")
(filter (net: net.ip6 != null) nets);
tv.iptables.extra.nat.PREROUTING = [
"-p tcp --dport 22 -j REDIRECT --to-ports 0"
"-p tcp --dport 11423 -j REDIRECT --to-ports 22"
];
}