&tde-authors; &tde-release-version; Reviewed: &tde-release-date; &tde-copyright-date; &tde-team; This handbook describes the rlan protocol. TDE rlan protocol The rlan protocol is similar to the lan protocol but intended for sessions on a remote server. Whereas the lan protocol is used with the LAN Information Service (LISa), rlan is used with the restricted LISa service (resLISa).