Wp-admin/admin-AJAX 403 forbidden

Question

Ajax request raised from WordPress logged in user works properly. But non-logged in user ajax request fails with 403 forbidden. We tried the following solution: https://wordpress.org/support/topic/admin-ajax-php-403-forbidden-2/ https://wordpress.stackexchange.com/questions/345194/403-forbidden-you-dont-have-permission-to-access-wp-admin-admin-ajax-php-on

Our site connected to Azure AD. Redirect to our server. .config file

        ServerAdmin ****
        DocumentRoot /var/www/html
    ServerName blog.xxxx.com
    ServerAlias blog.xxx.com

        Redirect permanent / https://domain/blogs

        ErrorLog ${APACHE_LOG_DIR}/error.log
        CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

<VirtualHost *:443>
        ServerAdmin ***
    ServerName blog.xxx.com
        DocumentRoot /var/www/html

        SSLEngine on
        SSLCertificateFile certificate.crt
        SSLCertificateKeyFile privatekey.key

        <Directory /var/www/html/>

            Options FollowSymLinks
            AllowOverride All
            Require all granted
        </Directory>

        ErrorLog ${APACHE_LOG_DIR}/error.log
        CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>```

Answer 1

Settings > WP Super Cache > Advanced (tab)

scroll down to Cache Timeout change 3600 to 1800 or use lower value and click

Change Expiration

This should help