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linux.com: TCP Wrappers for Security

May 29, 1999, 17:38 (1 Talkback[s])
(Other stories by Michael J. Wise)

"This article describes how to use TCP wrappers to tighten the security of the machine's services."

"They work by checking the hostname of who is trying to get in and compare it to preconfigured access files using the tcpd daemon. Only services activated by inetd can use TCP wrappers. This article does not address installing them, as all Linux distributions I am aware of install these by default. If you need to download and install them, they are available at ftp.cert.org."

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