Because Cloudflare acts as a proxy, you will notice changes to the way that your website visitors’ IP addresses are displayed both in your server logs and WordPress – notably that all access appears to be coming from Cloudflare IP addresses.
To fix this problem add the following snippet to your WordPress wp-config.php file.
// Add Code To WP-Config.php
if (isset($_SERVER["HTTP_CF_CONNECTING_IP"])) {
$_SERVER['REMOTE_ADDR'] = $_SERVER["HTTP_CF_CONNECTING_IP"];
}– LAST TESTED DECEMBER 9, 2019
Code not working? Let us know in the comments below.