WP_FAIL2BAN_BLOCK_USER_ENUMERATIONΒΆ
Block user enumeration.
Default setting: disabled
New in version 2.1.0.
Changed in version 4.0.0: Now also blocks enumeration via the REST API.
/**
* Block user enumeration.
*/
define('WP_FAIL2BAN_BLOCK_USER_ENUMERATION', true);
Important
You should define this in wp-config.php
even if you are using the Premium version of WPf2b.
Warning
If your theme has Author profile pages (e.g. TwentyTwenty) you will need to block username logins instead.
History
Based on a suggestion from @geeklol and a plugin by @ROIBOT.
See also