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1.sXid http://os.51cto.com/art/200907/134874.htm
ÏÂÔصØÖ·:http://freshmeat.net/projects/sxid/
2. LSAT
ÏÂÔصØÖ·:http://usat.sourceforge.net/
3.portsentry
ÏÂÔصØÖ·:http://sourceforge.net/projects/sentrytools/
4. fail2ban
http://www.fail2ban.org/
5.lids
http://www.lids.org/
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1.bastille
http://www.bastille-unix.org/
2.LCAP
http://packetstormsecurity.org/linux/admin/lcap-0.0.3.tar.bz2
3.systrace
http://www.systrace.org/
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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
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1.plushs
http://plushs.sourceforge.net
2.Walldns
3. dnssec
4. mtr Matt traceroute
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