Difference between PIX and ASA Cisco PIX: ? Is a dedicated hardware firewall appliance ? Act as a Stateful packet filtering firewall. ? Use PIX operating system similar in interface to Cisco IOS . ? Use PIX Device Manager (PDM) for a graphical interface. ? Provide stateful firewall protection and IP Security (IPSec) VPN capabilities ? To ensure the security PIX use inside interface , outside interface etc concep ts ? Pix running in 6.3 v ? Not supported WebVPN ? Not support Transparent Firewall, Security Context and Modular Policy ? 16 MB RAM Cisco ASA: ? Is firewall and anti-malware security appliance ? The Enterprise Editions include four versions: Firewall, IPS, Anti-X, and VPN. ? ASA can also serve as an intrusion prevention system (IPS) and VPN concentrato r. ? Also covers new threats to a network like viruses, worms, unwanted application s (e.g., P2P, games, instant messaging), phishing, and application-layer attacks . ? Act as an all-in-one device or a unified threat management (UTM) device ? ASA running in 7.2 v ? Supporting Web VPN ? Supporting Transparent Firewall, Security Context and Modular Policy ? 64 MB RAM