NetScreen Technologies announced a new type of firewall, which the company has named the Deep Inspection firewall. The firewall provides application-level intrusion protection along with stateful inspection capabilities.
NetScreen said the firwall can guard against more than 250 application-level and protocol-based attacks. To accomplish that protection the firewall looks more closely at network traffic related to the HTTP, FTP, SMTP, POP, IMAP, and DNS protocols. NetScreen will add deep-inspection technology for additional protocols in the future.
The product will become available in November and deliverable through the company's ScreenOS 5.0 updates, which is the underlying OS that