Internet Direct (Indy) Version 9.0.1 Beta
TIdHTTPServer.SessionState
Indicates that the server uses persistent HTTP sessions.

property SessionState: Boolean;
Description
SessionState is a Boolean property that indicates persistent sessions are used by the HTTP server to service requests from peer threads.

SessionState is used by CreateSession to determine if a new persistent session is created and added to the session list.

SessionState is used by GetSessionFromCookie to determine if a persistent session matching the 'IDHTTPSESSIONID' cookie and Remote IP address should be retrieved from the session list.