Cisco ASA

In computer networking, Cisco ASA 5500 Series Adaptive Security Appliances, or simply Cisco ASA, is Cisco's line of network security devices introduced in May 2005. It succeeded three existing lines of popular Cisco products:

Cisco PIX, which provided firewall and network address translation (NAT) functions, ended its sale on July 28, 2008.
Cisco's IPS 4200 Series worked as intrusion prevention systems (IPS).
Cisco VPN 3000 Series Concentrators, which provided virtual private networking (VPN).

The Cisco ASA is a unified threat management device, combining several network security functions in one box.

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