Hi, NO, I think that the "penetration testing with perl" book is completely bad written and with a lot of errors (both code and explanations are wrong some times ), think that I started studying the network security using that book, after I've decided to study from Tanenbaum's book "Computer Networks" and this gave me the main idea about network protocols and networking, which is better than having a knoweledge about the ""hacking a WEP network"". I am making a library repository about reverse engineering, wireless penetration test ( I am rewriting Lorcon2 ) and web penetration testing, my general idea would be more similar to a CTF group without the CTFs :) Regards Edoardo M