Безопасность веб-приложений
Хоффман Эндрю
Linux Firewalls
Michael Rash
Mastering Linux Administration
Alexandru Calcatinge & Julian Balog
Designing and Implementing Linux Firewalls with QoS Using Netfilter, ...
Lucian Gheorghe
Practical Python Security
Dennis Byrne
Securing DevOps
Julien Vehent