Here some useful books about Network security.


Hacking Exposed - Network Security, Secrets and Solutions.
Link:
http://planet.nana.co.il/door_mouse/sec1.rar

How to spoof your ip.
Link:
http://planet.nana.co.il/doormouse/spoof.rar

honey pots.
Link:
http://planet.nana.co.il/3-book5/Honeypots.rar

Intrusion Detection system [ ids network ] full explanation.
Link:
http://planet.nana.co.il/3-book5/ids.rar

Hacking Packet Sniffer Detection With Antisniff.
Link:
http://planet.nana.co.il/3121/antisniff.rar

Network Security Hacks.
Link:
http://planet.nana.co.il/lsd4fr33/NSH.rar


Enjoy
dracula4ever