Cisco ASA Firewalls (ASA 5500 series) offer several ways for remote administration and management of the devices such as SSH access, Telnet access, and Web HTTP access. The last one (HTTP access) makes use of the ASDM (Adaptive Security Device Manager) which is a powerful graphical application for administration and management of the firewall device. [...]

Starting with Cisco Firewall version 7.x and upwards, the PIX and ASA Cisco firewalls can support now multiple contexts (or virtual firewalls) on the same physical chassis unit. Each security context runs independently with its own set of security policies, access rules, logging configuration, and so on. Out of the box, any cisco firewall appliance [...]