Complete network Administration (DNS and Firewall)

Completely revised and much expanded, the new edition of the highly respected and bestselling Building Internet Firewalls now covers Unix, Linux, and Windows NT. This practical and detailed guide explains in step-by-step fashion how to design and install firewalls and configure Internet services to work with a firewall. It covers a wide range of services and protocols and offers a complete list of resources, including the location of many publicly available firewalls construction tools.

The security risks--and the need to protect both business and personal data--have never been greater. We've updated Building Internet Firewalls to address these newer risks. What kinds of security threats does the Internet pose? Some, like password attacks and the exploiting of known security holes, have been around since the early days of networking. And others, like the distributed denial of service attacks that crippled Yahoo, E-Bay, and other major e-commerce sites in early 2000, are in current headlines. Firewalls, critical components of today's computer networks, effectively protect a system from most Internet security threats.

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