I want to allow only one session at the time across browsers and PCs. I want to "disconect" or log out to the old session if a new session starts in Wordpress.

  • WordPress doesn't use sessions, it uses cookies.
    – Wyck
    Feb 3, 2013 at 17:10
  • Using cookies exist a way?
    – Tanenbom
    Feb 3, 2013 at 18:14

1 Answer 1


You can do this by changing LOGGED_IN_KEY constant in your wp-config.php before logging in.

define('AUTH_KEY', 'put your unique phrase here');

Update: it's better to invalidate all secret keys. They can be generated by Wordpress own generator here: https://api.wordpress.org/secret-key/1.1/


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