DNS or Domain Name System, despite its drawbacks, is brilliantly designed for scale. We can learn few lessons from this protocol especially when designing our own apps. This episode of the backend engineering show I go through how DNS works, the pros and the cons and attacks that happened on this system.
0:00 Intro
2:00 Overview DNS
7:40 How DNS works (Details)
15:44 DNS uses UDP
19:30 DNS Poisoning
24:10 is DNS really distributed?
26:30 How Attackers Abuse DNS
30:30 How Chrome overloaded the ROOT servers for 12 years
Resources
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Fundamentals of Networking for Effective Backends udemy course (link redirects to udemy with coupon)
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Fundamentals of Database Engineering udemy course (link redirects to udemy with coupon)
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Introduction to NGINX (link redirects to udemy with coupon)
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Python on the Backend (link redirects to udemy with coupon)
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Stay Awesome,
Hussein
