Building Internet Firewalls: Internet and Web Security
Practical UNIX and Internet Security: Securing Solaris, Mac OS X, Linux & Free BSD
TCP/IP Network Administration: Help for Unix System Administrators
Practical Packet Analysis, 3E: Using Wireshark to Solve Real-World Network Problems
Learning Python: Powerful Object-Oriented Programming
HTTP: The Definitive Guide (Definitive Guides)
Blue Team Field Manual (BTFM) (RTFM)
Windows Server 2019 & PowerShell All-in-One For Dummies (For Dummies (Computer/Tech))
UNIX and Linux System Administration Handbook: UNIX Linux Syste Admin Han_5
Linux Administration: A Beginner's Guide, Seventh Edition (Beginner's Guide)