.. _WP_FAIL2BAN_BLOCK_USER_ENUMERATION:

.. role:: php(code)
  :language: php

WP_FAIL2BAN_BLOCK_USER_ENUMERATION
----------------------------------

.. rubric:: Block user enumeration.
.. include:: default-disabled.rst.inc

----

Blocks attempts to enumerate users via author archives and the REST API.

.. code-block:: php
   :caption: Example: Block user enumeration

   /**
    * Block user enumeration.
    */
   define('WP_FAIL2BAN_BLOCK_USER_ENUMERATION', true);

.. include:: use-wp-config.rst.inc

.. warning::
   If your theme has Author profile pages (e.g. TwentyTwenty) you will need to :ref:`block username logins <WP_FAIL2BAN_BLOCK_USERNAME_LOGIN>` instead.


.. seealso::
   * :ref:`WP_FAIL2BAN_BLOCK_USERNAME_LOGIN`

.. rubric:: History
.. versionchanged:: 4.0.0
   Now also blocks enumeration via the REST API.
.. versionadded:: 2.1.0
   Based on a suggestion from *@geeklol* and a plugin by *@ROIBOT*.