PHASE: The Great Wall33% COMPLETION
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MODULE 08

Firewalls & IDS

How packet filtering works and techniques to evade detection.

The Great Wall

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Stateless

< p class="text-xs text-zinc-400" > Checks individual packets(ACLs). "Allow port 80".Doesn't know context.

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Stateful

< p class="text-xs text-zinc-400" > Tracks connections. "Allow this inbound packet because it is part of an established stream."

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WAF

< p class="text-xs text-zinc-400" > Web Application Firewall.Inspects Layer 7 data(SQLi, XSS patterns).