This is another document on using TCP Wrappers and building a quick firewall script. "The simplest way to secure your machine (short of locking it up in the wine cellar with no Internet connection) is to disable all nonessential services from . . .
This is another document on using TCP Wrappers and building a quick firewall script. "The simplest way to secure your machine (short of locking it up in the wine cellar with no Internet connection) is to disable all nonessential services from your /etc/inetd.conf file and let your TCP wrapper program control who gets in and who stays out."

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