Offensive Shellcode from Scratch
Rishalin Pillay
Wireless Hacking with Kali Linux
Hugo Hoffman
Mastering Linux Network Administration
Jay LaCroix
Iptables Tutorial 1.2.2
Oskar Andreasson
Cross-Site Scripting Attacks: Classification, Attack, and Countermeasures
B. B. Gupta and Pooja Chaudhary