Contents:

* Introduction
o BEWARE
* Existing Services
o Netstat Observations
* Host names and IP numbers
o Programming Calls
* Services and Ports
o Programming Calls
* Socket Addressing
* File Descriptors and Sockets
o File Descriptors
o Sockets
* Client Connect
o Client Communication
o Stdio Buffers
* Server Applications
o Server Bind
o Listen and Accept
* Inetd Services
o Inetd Comments
o Whois Daemon
* Running the Daemon
o The Code
o Connecting to the Server
o Whois Client
o Perl Socket Programming
* Final Comments
o Note Well
* Suggested Reading

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