Fixed port emit, it was using remotePort instead of localPort

lib/pool.js

@@ -500,7 +500,7 @@ var pool = module.exports = function pool(options, authorizeFn){
                     params.nTime,
                     params.nonce,
                     client.remoteAddress,
-                    client.socket.remotePort,
+                    client.socket.localPort,
                     params.name
                 );