Intro To Network Port Scanning And Advanced Techniques: How Snort Apr 2026

The attacker spoofs active IP addresses along with their real IP, creating a flood of fake scans that mask the true origin.

In cybersecurity, it is often the very first phase of an attack—reconnaissance. The attacker spoofs active IP addresses along with

Scans like "Xmas" (setting FIN, PSH, and URG flags) or "Null" scans (no flags set at all) manipulate the TCP state machine to see how the OS responds, mapping out the architecture without leaving heavy footprints. 🚨 Part 3: How Snort Defends Your Network The attacker spoofs active IP addresses along with