杜飛的Exchange http://dufei.blog.51cto.com/382644/1151561/
Cisco的防火牆 http://blog.sina.com.cn/s/blog_ae9dee8301014qke.html
ASA命令大全 http://kuangkuang.blog.51cto.com/838/278598/
AWK大全 http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2858470.html
TCP 分析 http://blog.csdn.net/wang7dao/article/details/16805337
LVS+keepalive詳解 http://atong.blog.51cto.com/2393905/1351709
SHELL http://wolfchen.blog.51cto.com/2211749/1122841
CCIE http://loguis.blog.51cto.com/635994/252353 GRE_over ipsec
路由重定向實驗 http://rack33.blog.51cto.com/674048/472836
備份 http://os.51cto.com/art/201006/208397.htm
NP實驗 http://power1990.blog.51cto.com/2673141/700821
Mysql 主從同步 http://blog.csdn.net/pasic/article/details/7096995
AD PS管理 http://duwei025.blog.51cto.com/996083/1710267
Mysql http://www.cnblogs.com/dreamhome/p/4716425.html
http://bbs.51cto.com/thread-619903-1-1.html QOS1