Manual:$wgSessionSecret

From Linux Web Expert

<translate> Security</translate>: $wgSessionSecret
Secret for session storage.
<translate> Introduced in version:</translate>1.27.0 (Gerrit change 285438; git #0b8b539a)
<translate> Removed in version:</translate><translate> still in use</translate>
<translate> Allowed values:</translate>(string)
<translate> Default value:</translate>false

Details

Secret for session storage. This should be set in LocalSettings.php, otherwise $wgSecretKey will be used.