From 572663f303337ebe6da0f9e0d96f79a438b80bea Mon Sep 17 00:00:00 2001
From: skenqbx <skenqbx@gmail.com>
Date: Tue, 10 Mar 2015 15:16:38 +0100
Subject: [PATCH] https: don't overwrite servername option

PR-URL: https://github.com/joyent/node/pull/9368
Reviewed-By: jasnell - James M Snell <jasnell@gmail.com>
---
 lib/http.js | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/lib/http.js b/lib/http.js
index f4e8db7de44..85757814999 100644
--- a/lib/http.js
+++ b/lib/http.js
@@ -1283,11 +1283,13 @@ Agent.prototype.createSocket = function(name, host, port, localAddress, req) {
   options.host = host;
   options.localAddress = localAddress;
 
-  options.servername = host;
-  if (req) {
-    var hostHeader = req.getHeader('host');
-    if (hostHeader) {
-      options.servername = hostHeader.replace(/:.*$/, '');
+  if (!options.servername) {
+    options.servername = host;
+    if (req) {
+      var hostHeader = req.getHeader('host');
+      if (hostHeader) {
+        options.servername = hostHeader.replace(/:.*$/, '');
+      }
     }
   }