A step into the direction of a Single Sign On is the Use of SmartCards. Cisco announced the ability to use a Smart Card Based Environment on the client side in Fall '98. With the relationships to these vendors, Cisco got a unique Position and 2. Seeing Firewalling as a network Service, the reliability and scalability of an IOS network helps us to solve all the issues people faced with Firewalls running on Multipurpose Operating systems in the past. Authenticated ACL's help Cisco to solve companies problems that are faced with remote offices.
Someone can just turn on a PC and send packets towards the central side.
With Authenticated ACL's in Routers, Access Servers and Firewalls, we only allow packets to be forwarded to the central side, when the person behind the PC is identified. SSL with 128 bit encryption in the Webaccess products. X.509 Certificates for Client or tunnel-end point authentication. LDAP to integrate CiscoSecure into Directory Structures. PAP and CHAP for Remote Access Security.