I need to determine what the application sees versus what is being sent, these scripts helped me see the discrepancy and validate the change once resolved:
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<?php header('Expires: 0'); // Proxies. header('Cache-Control: no-store, no-cache, must-revalidate'); // HTTP 1.1. header('Cache-Control: post-check=0, pre-check=0', FALSE); header('Pragma: no-cache'); // HTTP 1.0. $client = @$_SERVER['HTTP_CLIENT_IP']; $forward = @$_SERVER['HTTP_X_FORWARDED_FOR']; $remote = $_SERVER['REMOTE_ADDR']; print ('This page was generated ' . date(DATE_RFC2822) . '.'); print ("<br /><br /><br />Client IP address reported by the REMOTE_ADDR variable is $remote"); print ("<br /><br />Client IP address reported by the HTTP_X_FORWARDED_FOR variable is $forward"); print ("<br /><br />Client IP address reported by the HTTP_CLIENT_IP variable is $client"); if(filter_var($client, FILTER_VALIDATE_IP)) { $ip = $client; } elseif(filter_var($forward, FILTER_VALIDATE_IP)) { $ip = $forward; } else { $ip = $remote; } print ("<br /><br /><br />Client IP address determined to be $ip"); print ('<br /><br /><form method="POST"> <input type="submit" name="b1" value="Force Reload." /></form>'); ?> |
The above does allow you to force a post, as the original case was behind a caching server.