Snort Intrusion Detection and Prevention Toolkit
The Network Security Test Lab: A Step-by-Step Guide
Make Your Network Secure with PCAP and Snort: Article
Wireshark for Security Professionals: Using Wireshark and the Metasploit Framework
The Practice of Network Security Monitoring: Understanding Incident Detection and Response
The Hacker Playbook 2: Practical Guide To Penetration Testing
Nmap 6 Cookbook: The Fat-Free Guide to Network Security Scanning
Linux Command Line and Shell Scripting Bible
Mastering Metasploit