Cyber Workforce Platform

DoS Attacks and Defenses

This lab teaches three different Denial of Service attacks and techniques to mitigate them:

  • A TCP SYN Flood attack that exploits a weakness in the design of the TCP transport protocol,
  • A slow HTTP attack called Slowloris that takes advantage of how HTTP servers work,
  • A DNS amplification attack that exploits misconfigured DNS servers, of which there are plenty on the Internet.


Basic web application knowledge (HTTP, URL parameters, etc.), networking concepts (TCP/IP, DNS, etc.), and familiarity with the Unix/Linux command line.

Expected Duration

2 hours, self-paced. Pause and continue at any time.
2 CPEs awarded on successful completion.

Cyber Workforce Platform

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