tmux (for Diego Cohen)
Brian P. Hogan
Cyber Security and Network Security
Sabyasachi Pramanik & Debabrata Samanta & M. Vinay & Abhijit Guha
Kali Linux: библия пентестера
Хаваджа Гас
Practical Python Security
Dennis Byrne
Iptables Tutorial 1.2.2
Oskar Andreasson