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Network Security Hacks: Firewalling

Category: Security

Tags: firewall, network

Overview When designing a network, it's often desirable to define policies governing how and where certain vital network services can be accessed. The firewall is a key technology that is instrumental in enforcing these policies and can allow network administrators to delineate trust relationships between networks and hosts with a fine grain of detail. By instituting a firewall, one can prevent unauthorized access to services at the network level before an attacker is given the chance to attempt to exploit them. One can use a firewall not only to limit what information flows into a network, but also to prevent the egress of information.

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Publisher
O'Reilly Media
File Format
PDF
Date Published
Oct 24, 2007
Format
White Papers
Topics
Firewalls, Network Security, Security Management

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