802[1]Recognized as an American National Standard (ANSI)IEEE Std 802.1X-2001IEEE Standard for Local and metropolitan area networks―Port-Based Network Access ControlSponsorLAN/MAN Standards Committee of the IEEE Computer SocietyApproved 14 June 2001IEEE-SA Standards BoardApproved 25 October 2001American National Standards InstituteAbstract: Port-based network access control makes use of the physical access characteristics of IEEE 802 Local Area Networks (LAN) infrastructures in order to provide a means of authenticating and authorizing devices attached to a LAN port that has point-to-point connection characteristics, and of preventing access to that port in cases in which the authentication and authorization process fails. Keywords: authentication, authorization, controlled Port,……