My latest course “Architecting for Security on AWS” is now available on Pluralsight! You’ll learn how to secure your data and AWS services using a defense-in-depth approach, including: Protecting your AWS credentials using identity and access management Capturing and analyze logs using CloudTrail, CloudWatch, and …

Puzzled by networking on AWS? Check out my AWS networking deep dive series! AWS Networking Deep Dive: Route 53 DNS Configure Route 53 for any domain name, and configure health checks and routing policies.  AWS Networking Deep Dive: Virtual Private Cloud (VPC) Create secure and scalable VPCs. Implement multi-VPC …

Many of you have been asking for months when my Route 53 course would release. Well, it’s finally here! AWS Networking Deep Dive: Route 53 DNS is now available on Pluralsight. Topics covered include: Configuring Route 53 to work with any domain name, even one registered with a different registrar DNS concepts and how …

You probably know the popular Google DNS server IP addresses by heart: 8.8.8.8 and 8.8.4.4. Before those were around you might have even used Level3’s 4.2.2.1 and 4.2.2.2. Of course, everyone else uses these too, which means these popular servers are under a pretty heavy load. Fortunately, there are faster public DNS …

In preparation for my latest course in the AWS Networking Deep Dive series, I wanted to install PowerShell Core on an Amazon Linux instance to test out cross-platform compatibility for some scripts. Specifically, I wanted to see if I could use methods in the System.Net.Dns class to perform name resolution. The …

Most of us have tossed around the idea of restricting our social media consumption, or even giving it up altogether. It’s not that we don’t like it. We love it, sometimes too much. But inherently, something about social media just seems wrong. But what is it? Social is Not a Neutral Tool People often say that social …

Learn to subnet in your head in just seconds! If you like what you see, check out Cisco Enterprise Networks: Basic Networking and IP Fundamentals.

This month, security researchers released a whitepaper describing the Meltdown attack, which allows anyone to read the full physical memory of a system by exploiting a vulnerability in Intel processors. If that sounds bad, that’s because it is. It means that if you’re running workloads on a public cloud provider, and …