Enabling TCP wrappers in Solaris 10
First let's first provide a little background. TCP Wrappers has been around for many, many years. It is used to restrict access to TCP services based on host name, IP address, network address, and so on. For more details on what TCP Wrappers is and how you can use it, see tcpd(1M). TCP Wrappers was integrated into the Solaris Operating System starting in the Solaris 9 release, where both Solaris Secure Shell and inetd-based (streams, nowait) services were wrapped. Bonus points are awarded to anyone who knows why UDP services are not wrapped by default.
By Glenn Brunette at Sun.
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