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fix: add explicit tailnet gateway bind

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This commit is contained in:
Peter Steinberger
2026-01-21 20:35:39 +00:00
parent 45c1ccdfcf
commit b5fd66c92d
30 changed files with 143 additions and 71 deletions
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13
src/gateway/net.ts
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@@ -33,7 +33,8 @@ export function isLocalGatewayAddress(ip: string | undefined): boolean {
* Modes:
* - loopback: 127.0.0.1 (rarely fails, but handled gracefully)
* - lan: always 0.0.0.0 (no fallback)
* - auto: Tailnet IPv4 if available, else 0.0.0.0
* - tailnet: Tailnet IPv4 if available, else loopback
* - auto: Loopback if available, else 0.0.0.0
* - custom: User-specified IP, fallback to 0.0.0.0 if unavailable
*
* @returns The bind address to use (never null)
@@ -50,6 +51,13 @@ export async function resolveGatewayBindHost(
return "0.0.0.0"; // extreme fallback
}
if (mode === "tailnet") {
const tailnetIP = pickPrimaryTailnetIPv4();
if (tailnetIP && (await canBindTo(tailnetIP))) return tailnetIP;
if (await canBindTo("127.0.0.1")) return "127.0.0.1";
return "0.0.0.0";
}
if (mode === "lan") {
return "0.0.0.0";
}
@@ -64,8 +72,7 @@ export async function resolveGatewayBindHost(
}
if (mode === "auto") {
const tailnetIP = pickPrimaryTailnetIPv4();
if (tailnetIP && (await canBindTo(tailnetIP))) return tailnetIP;
if (await canBindTo("127.0.0.1")) return "127.0.0.1";
return "0.0.0.0";
}