Linux iptables Pocket Reference
Gregor N. Purdy
Cyberspace in Peace and War, Second Edition
Martin C. Libicki
Linux Advanced Routing and Traffic Control HOWTO
Gregory Maxwell & Remco Mook & Martijn Oosterhout & Paul Schroeder & Jasper Spaans & Bert Hubert
Securing DevOps
Julien Vehent
Cross-Site Scripting Attacks: Classification, Attack, and Countermeasures
B. B. Gupta and Pooja Chaudhary