一.预防
1.sXid http://os.51cto.com/art/200907/134874.htm
下载地址:http://freshmeat.net/projects/sxid/
2. LSAT
下载地址:http://usat.sourceforge.net/
3.portsentry
下载地址:http://sourceforge.net/projects/sentrytools/
4. fail2ban
5.lids
二。入侵检测系统
1.bastille
2.LCAP
http://packetstormsecurity.org/linux/admin/lcap-0.0.3.tar.bz2
3.systrace
三。日志分析软件
1. logsentry
http://sourceforge.net/projects/sentrytools/
2.swatch
3.logsurfer
4.sec
5.lire
6.multilog
http://cr.yp.to/daemontools.html
7.djbdns
三.检测服务器工具
1.plushs
2.Walldns
3. dnssec
4. mtr Matt traceroute