portlist: exclude services bound to IPv6 loopback address

Fixes #1683 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-04-12 09:06:57 -07:00
parent 87eb8384f5
commit f325aa7e38
2 changed files with 17 additions and 2 deletions
@@ -42,7 +42,10 @@ func parsePort(s string) int {
 }

 func isLoopbackAddr(s string) bool {
-	return strings.HasPrefix(s, "127.0.0.1:") || strings.HasPrefix(s, "127.0.0.1.")
+	return strings.HasPrefix(s, "127.0.0.1:") ||
+		strings.HasPrefix(s, "127.0.0.1.") ||
+		strings.HasPrefix(s, "[::1]:") ||
+		strings.HasPrefix(s, "::1.")
 }

 type nothing struct{}