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jeffreyvr/whitelist.php

Created December 3, 2018 15:50
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Generate commands to whitelist Cloudflare IP's (iptables)
Raw
whitelist.php
<?php
$ips = file_get_contents( 'https://www.cloudflare.com/ips-v4' );
$ips = explode( PHP_EOL, $ips );
$result = '';
foreach ( $ips as $ip ){
if ( empty( $ip ) )
continue;
$result .= str_replace( '#IP#', $ip, 'iptables -I INPUT -p tcp -m multiport --dports http,https -s "#IP#" -j ACCEPT' ) . '<br>';
}
echo $result;
?>
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