Fix unknown-ALPN fallback logic

pimterry · pimterry · commit 28c63e2d6fb3 · 2025-12-02T18:28:52.000+01:00
diff --git a/src/server/http-combo-server.ts b/src/server/http-combo-server.ts
@@ -193,7 +193,7 @@ export async function createComboServer(options: ComboServerOptions): Promise<De
                     if (preferredProtocol) return preferredProtocol;
 
                     // If the client only offers protocols that we don't understand, shrug and accept:
-                    else return clientProtocols[1];
+                    else return clientProtocols[0];
                 }
             } : {
                 // In Node versions without ALPNCallback, we just set preferences directly:

Original file line number	Diff line number	Diff line change
`@@ -193,7 +193,7 @@ export async function createComboServer(options: ComboServerOptions): Promise<De`
`193`	`193`	`if (preferredProtocol) return preferredProtocol;`
`194`	`194`
`195`	`195`	`// If the client only offers protocols that we don't understand, shrug and accept:`
`196`		`- else return clientProtocols[1];`
	`196`	`+ else return clientProtocols[0];`
`197`	`197`	`}`
`198`	`198`	`} : {`
`199`	`199`	`// In Node versions without ALPNCallback, we just set preferences directly:`