Don’t Break DNS!! // Lesson 2 | Chris Greer | 16 comments
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Don’t Break DNS!! // Lesson 2 | Chris Greer | 16 comments
Hey Packet People! I just dropped the next video in my #dns series on YouTube. In some environments engineers block TCP port 53 because "DNS is UDP-only" - right? RIGHT??? Well, not exactly. In this video we pull back the layers and see how, when, where and why DNS will use TCP. (It's more than just zone transfers!) If you work with firewalls ...
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