An 'intrusion prevention' firewall?

Firewall Wizards mailing list – We all welcome improvements to the technology we use. But does marketing hype sometimes blow these improvements out of proportion? This archived discussion of security pros on the Firewall Wizards mailing list tackles that question. At issue is the emerging "intrusion detection" market - are these systems a real quantum advance, or do are they just incrementally improved firewalls?

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