Network Programming 1

Texts:
"Advanced Programming in the UNIX Environment, second edition", by W. Richard Stevens, updated by Stephen A. Rago, Addison Wesley, ISBN: 0-201-43307-9

"UNIX Network Programming Volume 1, third edition", by W. Richard Stevens, Bill Fenner, and Andrew M. Rudoff; Addison Wesley; ISBN: 0-13-141155-1