WPEngine 502 Bad Gateway Issue

This is to reopen a ticket that was previously marked as resolved but is not. Login protection is enabled on all WPEngine sites now and as a result, all Kleo installs will receive a 502 errors when using the login popup modal. Effectively, this breaks Kleo on all new WPEngine sites and the only way to solve the problem is to contact WPEngine support and have them disable login protection.

Below is the fix that you can add to the theme. You can even add it as a script within your documentation’s WPEngine compatibility section.

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One of the ways that WP Engine determines what’s a valid login attempt — and what’s a script based brute force attack — is by requiring a query argument (of wpe-login) on all login attempts. The value must match the name of the install in order to be considered valid.

The install name is defined with PWP_NAME in wp-config.php on all WP Engine installs.

An example of a valid URL to submit your login query to is:

http://domain.com/wp-login.php?wpe-login=PWP_NAME

If you’d like to detect if you’re on a WP Engine install, it’s best if you check for the existence of the wpe_site function.

<?php

if( function_exists( ‘wpe_site’ ) ) {

// This site is hosted on WP Engine.

}

Hopefully this gives you what you need to make your login related code WP Engine compatible!