Fixed issue: Participant IP address not correctly captured if server …

…is behind proxy

common_functions.php

@@ -7262,15 +7262,19 @@ function ls_json_encode($val)
 */
 function getIPAddress()
 {
-    if (!empty($_SERVER['HTTP_CLIENT_IP']))   //check ip from share internet
+    global $bServerBehindProxy;
+    if ($bServerBehindProxy)
     {
-      return $_SERVER['HTTP_CLIENT_IP'];
-    }
-    elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))   //to check ip is pass from proxy
-    {
-      return $_SERVER['HTTP_X_FORWARDED_FOR'];
+        if (!empty($_SERVER['HTTP_CLIENT_IP']))   //check ip from share internet
+        {
+          return $_SERVER['HTTP_CLIENT_IP'];
+        }
+        elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))   //to check ip is pass from proxy
+        {
+          return $_SERVER['HTTP_X_FORWARDED_FOR'];
+        }
     }
-    elseif (!empty($_SERVER['REMOTE_ADDR']))
+    if (!empty($_SERVER['REMOTE_ADDR']))
     {
       return $_SERVER['REMOTE_ADDR'];
     }

config-defaults.php

@@ -573,6 +573,15 @@
 */
 $iFileUploadTotalSpaceMB=0;
 
+/**
+* Set this variable to true to indicate that your server is behind a proxy.
+* This will ensure the correct captioning of IP addresses instead of just the proxy address
+*
+* @var $bServerBehindProxy  Default: false
+*
+*/
+$bServerBehindProxy=false;
+
 //DO NOT EVER CHANGE THE FOLLOWING 5 LINES ---------------
 require_once(dirname(__FILE__).'/config.php');
 if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS']!='' && $_SERVER['HTTPS']!='off')