... 3.Competitive price Product SpecificationsProduct Name:ASA 5520 Appliance with Software, 300 VPN Peers, 4 GE + 1FE, DESProduct Type: ... defense that stops attacks before they spread through the network, controls network activity and application traffic, and delivers flexible VPN connectivity ... new level of security. Cisco ASA 5520 Firewall Appliance with Software, 300 VPN Peers, 4 GE + 1FE, DES ASA ...