ddos attack illustration
Post on 05-Dec-2014
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DESCRIPTION
TRANSCRIPT
INTERNET
Database Server
Router ACLs configured
Core Switch
LAB 1
Administration LAN Switch
1. User sends an HTTP Request
2. Webserver s
ends Login page - P
ort 443 (H
TTPS)
NIDS
Network Intrusion Detection System
Only HTTP/HTTPS traffic to the webserver is allowed
Handler
Handler Instructs the DDoS Agents
Compromised Hosts - Zombies
Regular traffic to the registration system
DDoS Attack
4. Registration and payment processed
3. Use
r logs in
to the sy
stem and re
quests re
gistratio
n
Thousands of bogus HTTP requests
Public UniversityWeb-Based Registration and Cashiering SystemInternal DDoS attack IllustrationLOT2 – Marcelo Silva
After being overwhelmed,
the servers become
unavailable
Web Servers
Distributed Denial of Service Attack1. DDoS Agents are deployed to comprised hosts2. Handler instructs the bots to attack3. The Botnet attacks the victim hosts
LAB 2 LAB 3
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