WP_FAIL2BAN_EX_LOG_USER_AGENT
Enable logging of User-Agent.
Default setting: disabled
Premium flavour only
Added in version 4.3.0.
Enables logging of the HTTP User-Agent header for blocked requests.
Example: Enable User-Agent logging
/**
* Enable logging of User-Agent.
*/
define('WP_FAIL2BAN_EX_LOG_USER_AGENT', true);