jeffa recently reviewed Lincoln Stein's "Network Programming with Perl".   I'm in much the same boat as you, Amel, and found it to be a great addition to my library.
    cheers,
    Don
    bumbling toward Perl Adept
    (it's pronounced "why-bick")

Update: You could also look at the programs in Networking Code to figure out how they work and even how they might be improved.