Wolfplex uses the AzharAuth extension to allow members to login.
Furthermore, configuration disabled core login and logout pages:
LocalSettings.php
//Disables regular login/logout pages function disableSomeSpecialPages(&$list) { unset($list['Userlogout']); unset($list['Userlogin']); return true; } $wgHooks['SpecialPage_initList'][]='disableSomeSpecialPages';