中国红客联盟首发黑客攻防技巧，pdf格式，值得看一下学习学习。
Honker Union of China starting hacker attack and defense skills, pdf, worth a look to learn from. (2013-09-28, Windows_Unix, 2319KB, 下载36次)
计算机网络安全理论与技术教程
北京航空航天大学出版社 /蔡永泉
Computer network security theory and technology tutorials Beijing University of Aeronautics and Astronautics Press /蔡永泉 (2008-03-18, Windows_Unix, 9511KB, 下载22次)