Linux Advanced Routing and Traffic Control HOWTO
Gregory Maxwell & Remco Mook & Martijn Oosterhout & Paul Schroeder & Jasper Spaans & Bert Hubert
Kali Linux: библия пентестера
Хаваджа Гас
Linux Firewalls
Michael Rash
Mastering Linux Administration
Alexandru Calcatinge & Julian Balog
Penetration Testing with Kali Linux OSCP
Offensive Security