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Diffstat (limited to 'hosts/vidhar/default.nix')
-rw-r--r--hosts/vidhar/default.nix50
1 files changed, 3 insertions, 47 deletions
diff --git a/hosts/vidhar/default.nix b/hosts/vidhar/default.nix
index 622c2c54..e05b9416 100644
--- a/hosts/vidhar/default.nix
+++ b/hosts/vidhar/default.nix
@@ -78,54 +78,10 @@
78 ]; 78 ];
79 }; 79 };
80 80
81 firewall = { 81 firewall.enable = false;
82 nftables = {
82 enable = true; 83 enable = true;
83 package = pkgs.iptables-nftables-compat; 84 rulesetFile = ./ruleset.nft;
84 allowPing = true;
85 allowedTCPPorts = [
86 22 # ssh
87 ];
88 allowedUDPPorts = [
89 51820 # wireguard
90 ];
91 allowedUDPPortRanges = [
92 { from = 60000; to = 61000; } # mosh
93 ];
94 extraCommands = ''
95 ip46tables -D FORWARD -j nixos-fw-forward 2>/dev/null || true
96 ip46tables -F nixos-fw-forward 2>/dev/null || true
97 ip46tables -X nixos-fw-forward 2>/dev/null || true
98 ip46tables -N nixos-fw-forward
99
100 ip46tables -A nixos-fw-forward -i eno1 -j ACCEPT
101 ip46tables -A nixos-fw-forward -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
102 ip6tables -A nixos-fw-forward -p icmpv6 --icmpv6-type redirect -j nixos-fw-log-refuse
103 ip6tables -A nixos-fw-forward -p icmpv6 --icmpv6-type 139 -j nixos-fw-log-refuse
104 ip6tables -A nixos-fw-forward -p icmpv6 -j ACCEPT
105
106 ip46tables -A nixos-fw-forward -j nixos-fw-log-refuse
107 ip46tables -A FORWARD -j nixos-fw-forward
108
109
110 ip46tables -t nat -D POSTROUTING -j nixos-fw-postrouting 2>/dev/null || true
111 ip46tables -t nat -F nixos-fw-postrouting 2>/dev/null || true
112 ip46tables -t nat -X nixos-fw-postrouting 2>/dev/null || true
113 ip46tables -t nat -N nixos-fw-postrouting
114
115 iptables -t nat -A nixos-fw-postrouting -o dsl -j MASQUERADE
116
117 ip46tables -t nat -A POSTROUTING -j nixos-fw-postrouting
118
119
120 ip46tables -t mangle -D POSTROUTING -j nixos-fw-postrouting 2>/dev/null || true
121 ip46tables -t mangle -F nixos-fw-postrouting 2>/dev/null || true
122 ip46tables -t mangle -X nixos-fw-postrouting 2>/dev/null || true
123
124 ip46tables -t mangle -N nixos-fw-postrouting
125 ip46tables -t mangle -A nixos-fw-postrouting -o dsl -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
126
127 ip46tables -t mangle -A POSTROUTING -j nixos-fw-postrouting
128 '';
129 }; 85 };
130 }; 86 };
131 87