<?php

  //define('BASE_URL', '/~sql/dev/');
define('DEVEL',0);
define('DEBUG',0);

function IPblockCalc($IP,$subnetMask) {
  $IP = ip2long($IP);
  $subnetMask = ip2long($subnetMask);
  $revSub = ~$subnetMask;
  $networkAddress = $IP & $subnetMask;
  $broadcastAddress = $IP | $revSub;
  return Array('networkAddress'=>$networkAddress,
               'broadcastAddress'=>$broadcastAddress
        );
}

$allowIP = array(
	'204.9.221.18',
	'18.237.0.77',
	'18.237.0.90',
	'18.237.0.225',
	'18.237.0.227',
	'18.237.0.228',
	'18.239.1.6'
	);

$IP = $_SERVER['REMOTE_ADDR'];

if (!empty($IP) && !in_array($IP, $allowIP)) {
//	header('Location: http://scripts.mit.edu/~sql/');
	header('');
	exit('403 Access denied');
}