From 96e8f94833fc3a023b998685b106fcb241f65101 Mon Sep 17 00:00:00 2001
From: Xav <damajor@gmail.com>
Date: Wed, 5 Oct 2016 19:13:47 +0000
Subject: [PATCH] skip-check: authors

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/3650
---
 cmd/strelaypoolsrv/main.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmd/strelaypoolsrv/main.go b/cmd/strelaypoolsrv/main.go
index fdaf73def..23ddf4d99 100644
--- a/cmd/strelaypoolsrv/main.go
+++ b/cmd/strelaypoolsrv/main.go
@@ -326,8 +326,9 @@ func handlePostRequest(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	ip := net.ParseIP(host)
 	// The client did not provide an IP address, use the IP address of the client.
-	if host == "" {
+	if ip == nil || ip.IsUnspecified() {
 		uri.Host = net.JoinHostPort(rhost, port)
 		newRelay.URL = uri.String()
 	} else if host != rhost {