DNS and NTP on AWS

ACM.74 How these crucial services work by default and what happens if you want to use your own DNS and NTP servers on AWS

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

⚙️ Check out my series on Automating Cybersecurity Metrics | Code.

🔒 Related Stories: DNS Security | Cybersecurity | Application Security | Network Security

💻 Free Content on Jobs in Cybersecurity | ✉️ Sign up for the Email List

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

In the last post I wrote about network design for serverless applications.

Network Design: Serverless Applications

Now let’s consider some of the other core technologies we’ll need to consider and configure in an AWS network.

It’s always DNS…

Everything in AWS needs to access DNS or it will break. And I mean EVERYTHING. When we connect to parameter store from our Lambda function, it needs to do a DNS lookup for the domain associated with SSM parameter…