1 files changed, 11 insertions, 3 deletions
diff --git a/lib/net.js b/lib/net.js
index 2b0afa578..cef0475fa 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -895,7 +895,7 @@ Socket.prototype.connect = function(options, cb) {
   } else {
     var dns = require('dns');
     var host = options.host || 'localhost';
-    var port = options.port | 0;
+    var port = 0;
     var localAddress = options.localAddress;
     var localPort = options.localPort;
     var dnsopts = {
@@ -909,8 +909,16 @@ Socket.prototype.connect = function(options, cb) {
     if (localPort && !util.isNumber(localPort))
       throw new TypeError('localPort should be a number: ' + localPort);
 
-    if (port <= 0 || port > 65535)
-      throw new RangeError('port should be > 0 and < 65536: ' + port);
+    if (typeof options.port === 'number')
+      port = options.port;
+    else if (typeof options.port === 'string')
+      port = options.port.trim() === '' ? -1 : +options.port;
+    else if (options.port !== undefined)
+      throw new TypeError('port should be a number or string: ' + options.port);
+
+    if (port < 0 || port > 65535 || isNaN(port))
+      throw new RangeError('port should be >= 0 and < 65536: ' +
+                           options.port);
 
     if (dnsopts.family !== 4 && dnsopts.family !== 6)
       dnsopts.hints = dns.ADDRCONFIG | dns.V4MAPPED;