Only listen on 127.0.0.1 not all interfaces

check24-danielpaschsannapiu · check24-danielpaschsannapiu · commit e697eb86cee9 · 2024-07-06T14:07:38.000+02:00
This is a security risk, because you are exposing your application to other devices on your network if your device has no firewall configured.
More importantly though it allows root free running of symfony and on macOS you will no longer get an annoying popup to allow incoming connections.
diff --git a/local/process/listener.go b/local/process/listener.go
@@ -39,15 +39,9 @@ func CreateListener(port, preferredPort int) (net.Listener, int, error) {
 		max = 1
 	}
 	for {
-		// we really want to test availability on 127.0.0.1
 		ln, err = net.Listen("tcp", "127.0.0.1:"+strconv.Itoa(tryPort))
 		if err == nil {
-			ln.Close()
-			// but then, we want to listen to as many local IP's as possible
-			ln, err = net.Listen("tcp", ":"+strconv.Itoa(tryPort))
-			if err == nil {
-				break
-			}
+			break
 		}
 		if port > 0 {
 			return nil, 0, errors.Wrapf(err, "unable to listen on port %d", port)
