scrip_name_proxy.patch

gistfile1.php

diff --git a/includes/bootstrap.inc b/includes/bootstrap.inc
index 5b28e98..a9b3410 100644
--- a/includes/bootstrap.inc
+++ b/includes/bootstrap.inc
@@ -438,7 +438,14 @@ function conf_init() {
 
     // $_SERVER['SCRIPT_NAME'] can, in contrast to $_SERVER['PHP_SELF'], not
     // be modified by a visitor.
-    if ($dir = trim(dirname($_SERVER['SCRIPT_NAME']), '\,/')) {
+
+    // Allow serving through proxy 
+    $scriptName = $_SERVER['SCRIPT_NAME'];
+    if (isset($_SERVER['HTTP_X_SCRIPT_NAME'])) {
+      $scriptName = $_SERVER['HTTP_X_SCRIPT_NAME'];
+    }
+
+    if ($dir = trim(dirname($scriptName), '\,/')) {
       $base_path = "/$dir";
       $base_url .= $base_path;
       $base_path .= '/';