title: Keycloak SAML logout return invalid requester
body: <p>I set up keycloak and zabbix together to login into Zabbix via Keycloak, however when i logout with zabbix sign out button, i get logged out of zabbix but the keycloak session doesn't end and instead return &quot;<strong>invalid requester</strong>&quot;, after checking the network with browser console the header part says <strong>400 Bad Request</strong>, any ideas ?</p>
  <p><strong>Expected Behavior :</strong></p>
  <ul>
  <li>Sign out of zabbix</li>
  <li>End keycloack session</li>
  </ul>
  <p><strong>Actual Behavior :</strong></p>
  <ul>
  <li>Sign out of zabbix</li>
  <li>Doesn't end keycloak session</li>
  </ul>
  <p>I'm available if more details are needed.</p>