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Author: Bryan Krausen

Integrating HashiCorp Consul with Amazon Route 53 Resolver

When customers and enterprises begin the long process of re-architecting their monolith applications into small, manageable chunks (typically called microservices), the infrastructure to support them can increase in complexity as these services must now have a way to discover each other and establish communication. Previously, in the traditional monolith application, this communication took place in the host itself and didn’t require network services. However, that now changes as the application is broken up and is placed on a number of different hosts. Many organizations opt to deploy load balancers in front of each service within the application, along with...

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Designing High Availability for HashiCorp Vault in AWS

As businesses increasingly look to adopt DevOps practices and culture within their organizations, it’s not uncommon for new tools to be introduced to provide additional capabilities for automation and build pipelines. One of these key tools that organizations are quickly adopting places a spotlight on a subject long overlooked by many – secrets management. A secrets management solution provides a centralized repository for the storage and maintenance of privileged accounts and credentials across a variety of environments within the organization. As a result, this solution can also help strengthen an organization’s security and compliance posture by limiting access to...

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AWS Certified Advanced Networking Prep – Route 53

This post is part of a multi-series blog to help folks prepare to take the AWS Certified Advanced Networking Exam. This section is dedicated to Route 53 and other DNS-related topics. These are important topics to know for the exam. The previous posts can be found here: Direct Connect VPN VPC and Components Route 53 Route 53 is an AWS service that provides managed DNS for customers requiring external and/or internal DNS services. Rather than spending time and effort configuring and managing your own DNS infrastructure, customers can simply configure Route 53 to act as the authoritative servers for...

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AWS Certified Advanced Networking Prep – VPC

This post is part of a multi-series blog to help folks prepare to take the AWS Certified Advanced Networking Exam. This section is dedicated to VPC and its components that you’ll need to know for the test. The previous posts can be found here on Direct Connect and VPN. VPC Basics When you create a new account in AWS, you will find that AWS establishes a default VPC for you. This default VPC is mostly for beginners to get started with consuming services quickly without having to know a lot about networking. Each default VPC will have an IP subnet...

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AWS Certified Advanced Networking Prep – VPN

This post is part of a multi-series blog to help folks prepare to take the AWS Certified Advanced Networking Exam. As the title indicates, this section is dedicated to VPN, which is a significant topic for the exam. The previous post for Direct Connect can be found here. VPN Options on AWS To set the stage here, let’s quickly discuss the different options available on AWS and the requirements of each one: Software VPN Software VPN refers to running some type of VPN software running on an EC2 instance which provides the tunnel’s endpoint in your VPC. This could...

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