Hacking Exposed: Network Security Secrets & Solutions, Third Edition:

The result of all of this familiarity with bad-guy tools is a leg up on defending against them. Hacking Exposed wastes no time in explaining how to implement the countermeasures–where they exist–that will render known attacks ineffective. Taking on the major network operating systems and network devices one at a time, the authors tell you exactly what Unix configuration files to alter, what Windows NT Registry keys to change, and what settings to make in NetWare.

Topics covered:

Security vulnerabilities of operating systems, applications, and network devices
Administrative procedures that will help defeat them
Techniques for hacking Windows 95, Windows 98, Windows Me, Windows NT 4.0, Windows 2000, Novell NetWare, and Unix
Strategies for breaking into (or bringing down) telephony devices, routers, and firewalls

to download follow the link below:

http://rapidshare.com/files/243594226/0072193816.zip