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hosts/carbon: Do not fall back IPv6 traffic via VPN, if no native IPv6 is available

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clerie
2024-10-20 17:06:36 +02:00
parent 24472aec49
commit 09f54a05ee
2 changed files with 10 additions and 0 deletions
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9
modules/wg-clerie/default.nix
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@@ -25,6 +25,11 @@ in
default = [];
description = "IPv4 interface addresses";
};
defaultViaVPN = mkOption {
type = types.bool;
default = true;
description = "Use VPN default route for a protocol, if that protocol is unavailable in the underlay";
};
};
};
@@ -45,7 +50,9 @@ in
{ rule = "to 2a01:4f8:c0c:15f1::1/128 ipproto udp dport 51820 unreachable"; prio = 20001; }
# Try direct routing first, fallback to VPN
{ rule = "lookup main"; prio = 21000; }
] ++ (if cfg.defaultViaVPN then [
{ rule = "lookup wg-clerie"; prio = 21001; }
] else []) ++ [
{ rule = "unreachable"; prio = 22000; }
];
rules4 = (concatMap (ip: [
@@ -57,7 +64,9 @@ in
{ rule = "to 78.47.183.82/32 ipproto udp dport 51820 unreachable"; prio = 20001; }
# Try direct routing first, fallback to VPN
{ rule = "lookup main"; prio = 21000; }
] ++ (if cfg.defaultViaVPN then [
{ rule = "lookup wg-clerie"; prio = 21001; }
] else []) ++ [
{ rule = "unreachable"; prio = 22000; }
];
};