--- wp-content/plugins/wp-fail2ban/wp-fail2ban.php      2016-03-02 15:24:51.210564472 -0500
+++ wp-content/plugins/wp-fail2ban/wp-fail2ban.php.new  2016-03-02 16:58:17.957125248 -0500
@@ -67,6 +67,10 @@
                }
        }
 
+        if (array_key_exists('HTTP_X_REAL_IP',$_SERVER)) {
+                return $_SERVER['HTTP_X_REAL_IP'];
+        }
+
        return $_SERVER['REMOTE_ADDR'];
 }