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http://workaround.org/articles/ispmail-sarge
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http://www.zeroflux.org/knock
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http://shfs.sourceforge.net
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http://gcu-squad.org/comments/1130
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http://www.kernel.org/pub/linux/libs/pam/Linux-PAM-html
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http://softlife.blogspot.com/2005/11/...rstanding-original-xbox-security.html
Firewall + VPN for wifi
http://software.newsforge.com/softwar.../11/21/175249.shtml?tid=92&tid=78
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http://www.it-observer.com/articles/1...d_evasive_blocking_http_dos_attacks/0