‘Gallery Carousel Without JetPack’-plugin and htaccess-protected wp-admin.

I maintain several WordPress-installations and I received the request to protect the wp-admin-subfolder with a second level of password protection using .htpasswd and .htaccess. Which makes a second user/password-query appear on the browser when trying to access the admin-folder. It works fine, no problem with that.

However, I’m also using the ‘Gallery Carousel Without JetPack‘-plugin to enable simple and nice full-screen galleries. It turned out, that this plugin is requiring admin-ajax.php to request comments (via JQuery/Ajax) which are displayed for each image. As this file is located in the wp-admin-folder all anonymous users (so all site-visitors) were prompted for username and password when opening any gallery.

I don’t know whether there is another/better way for plugins to fetch comments with Ajax, but to fix this problem on my site, I excluded the admin-ajax.php from .htaccess-protection by adding

<Files "admin-ajax.php">
    Allow from all
    Satisfy any
</Files>

on the top of my wp-admin/.htaccess– file. Brett Batie has made a nice short post about .htaccess-exclusions – though he forget to add the closing </Files> to his single-file-example.

This is my complete .htacces-file now:

<Files "admin-ajax.php">
    Allow from all
    Satisfy any
</Files>

AuthType Basic
AuthName "Secure area"
AuthUserFile /<absolute-path-to-wordpress-on-the-server>/wp-admin/.htpasswd
AuthGroupFile /dev/null
require valid-user
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