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Architecture and Applications for a Distributed Embedded Firewall

Category: Security

Tags: new line, firewall, network

Overview The distributed firewall is an important new line of network defense. It provides fine-grained access control to augment the protections afforded by the traditional perimeter firewall. To be effective, though, a distributed firewall must satisfy two critical requirements. First, it must embrace a protection model that acknowledges that everything behind the firewall may not be trustworthy. The malicious insider with unobstructed access the network can still mount limited attacks. Second, the firewall must be tamper-resistant. Any firewall that executes on the same untrusted operating system that it is charged to protect begs the question: who is protecting whom? This paper presents a new distributed, embedded firewall that satisfies both requirements.

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Publisher
Secure Computing
File Format
PDF
Date Published
Oct 1, 2008
Format
White Papers
Topics
Firewalls, Network Security, Security Tools

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