From the course: LPIC-2 Linux Engineer (202-450) Cert Prep

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Implementing Transaction Signatures (TSIG)

Implementing Transaction Signatures (TSIG) - Linux Tutorial

From the course: LPIC-2 Linux Engineer (202-450) Cert Prep

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Implementing Transaction Signatures (TSIG)

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- Concerned about man-in-the middle attacks in your DNS servers? Stay tuned, we'll show you how to configure TSIG to prevent that. - [Announcer] You're watching ITProTV. (upbeat music) (air whooshing) - Welcome back to LPIC-2. Today we're going to be talking about Implementing Transaction Signatures or TSIG. So Don, can you give us kind of an overview of what we'll talk about today? - Sure, we'll start with how TSIG works. So we understand the technology and then what its purpose is then we'll see the tools that we use to actually create our signatures and put them in place to help secure communications between two DNS servers. - Awesome. So TSIG is not used by default as far as I understand. So when would I want to enable it? - So the short answer to that is, anytime you're replicating data between two DNS servers, you want to use TSIG. It does not create a performance overhead. It's pretty easy to configure,…

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