Solution to why WordPress cannot enter the backend after using Cloudflare CDN

Many people find that WordPress cannot enter the backend after using Cloudflare CDN, mainly because of the use of Cloudflare's SSL. I tried several methods at night but failed. The following solution is safe, simple and convenient.

To solve this problem, Cloudflare released a WordPress plug-in: Cloudflare Flexible SSL, which specifically solves this problem.

1. Download the plug-in to the plugins directory and unzip it

Plug-in download: https://wordpress.org/plugins/Cloudflare-flexible-ssl/

2. Enter the mysql database, in the table wp_options, edit active_plugins in option_name (for the activated plug-ins). Our method is to add Cloudflare Flexible SSL to it, thus enabling this plug-in.

The option_value field:

a:2:{i:0;s:33:"classic-editor/classic-editor.php";i:1;s:34:"cloudflare-flexible-ssl/plugin.php";}

Add

i:1;s:34:"cloudflare-flexible-ssl/plugin.php";

At the same time, remember to modify the a:2 at the beginning, where the number is the number of plug-ins enabled.

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