Following on from Fyodor’s co-authoring a book (along with FX, Joe Grand, Jay Beale, Kevin Mitnick) last year, Brian Hatch has now written co-authored a sequel and is making it available for free on the insecure.org site.
Interesting read, covering discusses Nmap, Ethereal, packet crafting, port knocking, filesystem encryption, SSL MITM attacks, kernel module hacking and more.
Not bad, although of course, he’s wrong about the reverse flange lug lever screw bracket shaft on page 758.