Recently at work I have had the ability to try out AWS IPAM with a view to ensure that IP addressing throughout the organisation was easy to manage. Previously we had been using a little but of guess work and spreadsheets, so I was wondering if this could be a way forward?
When VPC Lattice was released in November 2022, it only supported a limited amount of "application" based ports (e.g. HTTP/HTTPS), in December 2024 this was expanded with the introduction of TCP support for VPC Resources. With this in mind, I thought I would try cross account EFS access!
A little while after creating my original blog post on how to setup GitHub Actions using AWS and OpenID, AWS created a list of trusted providers with their own library therefore negating the need for a Thumbprint. This post updates my previous blog post on the matter!
During my time at a previous customer, we had an issue with a customer DNS records not quite resolving as expected. Lets have a look into the different DNS resolver points, and why this was an issue.
Unless you are a larger enterprise, have a large number of racks, or even a significant amount of traffic that you need to privately direct to AWS, then you probably have never used AWS DirectConnect. Here, I will go through the Allowed Prefix gotchas that I have encountered with AWS Direct Connect while building a network for a customer.