The Stevens series is a classic, and you should find a used copy to stick on a bookshelf for the nerd cred and because they are damn fine boos, but I think you

The Stevens series is a classic, and you should find a used copy to stick on a bookshelf for the nerd cred and because they are damn fine boos, but I think you will find the Kozierok's TCP/IP Guide from No Starch Press to be a more modern and up-to-date text.