[fix] fixes #341

Author: yawnt

lib/http-proxy/common.js

@@ -73,3 +73,10 @@ common.setupSocket = function(socket) {
 
   return socket;
 };
+
+common.getPort = function(req) {
+  var res = req.headers.host.match(/:(\d+)/);
+  return res ? 
+    res[1] :
+    req.connection.pair ? '443' : '80' ; 
+}

lib/http-proxy/passes/web-incoming.js

@@ -65,7 +65,7 @@ web_o = Object.keys(web_o).map(function(pass) {
 
     var values = {
       for  : req.connection.remoteAddress || req.socket.remoteAddress,
-      port : req.connection.remotePort || req.socket.remotePort,
+      port : common.getPort(req),
       proto: req.isSpdy ? 'https' : (req.connection.pair ? 'https' : 'http')
     };
 

lib/http-proxy/passes/ws-incoming.js

@@ -56,7 +56,7 @@ var passes = exports;
 
     var values = {
       for  : req.connection.remoteAddress || req.socket.remoteAddress,
-      port : req.connection.remotePort || req.socket.remotePort,
+      port : common.getPort(req),
       proto: req.connection.pair ? 'wss' : 'ws'
     };