I’ve been selected as a finalist for Cisco’s 2021 IT Blog Awards =). The award seeks to recognize blogs that provide Value, Credibility, and Consistency. When I first set out to create a blog, I… Read More »Cisco 2021 IT Blog Awards – Finalist
The world of modern cryptography is built upon the concept of Asymmetric Encryption, and the pillars of Asymmetric Encryption are these three algorithms: RSA, Diffie-Hellman, and DSA (Digital Signature Algorithm). But unfortunately, there are many… Read More »RSA, Diffie-Hellman, DSA: the pillars of asymmetric cryptography
One of the most common Interview questions for Networking related positions involves asking a candidate what occurs in order to move data through a Network. This is a great question to ask, because it requires… Read More »“Tell me everything that happens when you type google.com into a web browser”
In an effort to continue helping CCNA candidates, I’ve taken to doing packet tracer labs on a live stream on YouTube. During the streams I will: Discuss my way through what I am configuring and… Read More »Packet Tracer labs
Recently, I published a full SSL training course which is a comprehensive, deep dive into SSL and TLS — the protocols which secure the Internet. I want people to see the quality of the content… Read More »Practical TLS – Free SSL Training – Module 1
Hello all, I’ve finally wrapped up production on my new self-paced course: Practical TLS. This course is a deep dive into SSL and TLS, the protocols which secure the Internet. Simply put, this is the… Read More »Practical TLS – Course is Complete!
Supernetting is something like the inverse of Subnetting. With Subnetting, you take one Network and divide it into multiple sub-networks (subnets). With Supernetting, you are doing the opposite: you take multiple subnets and aggregating them… Read More »Supernetting, IP Aggregation, and IP Summarization
Last week I did my first live stream! I discussed how to do VLSM problems using only a pen and paper. In the Subnetting Mastery video series, I showed you how to solve VLSM problems… Read More »Upcoming Live Streams: IP Aggregation and SuperNetting – 5/13 & 5/15