Blog
Technical notes and articles on networking, security, and web development.
What Is MikroTik, and Why Is It So Popular Among ISPs and Small Networks?
If you've ever seen the name RouterOS or a router with an interface that looks different from Cisco's, it was likely MikroTik — a complete introduction to this brand.
6 min readWhat Is pfSense? An Introduction to One of the Most Popular Open-Source Firewalls
In a previous article, we covered the general concept of a firewall; now it's time to take a closer look at a real, free implementation of one: pfSense.
6 min readWhat Is a VoIP Phone, and How Does It Work? A Complete Introduction to Internet Telephony
How does your voice on a phone call get turned into data packets and sent over the internet? A complete introduction to VoIP technology.
6 min readWhat Is Issabel? An Open-Source PBX Platform for Organizations
How can an organization set up a complete, professional phone system without buying an expensive traditional PBX? A complete introduction to Issabel.
6 min readWhat Is Cloud Computing? A Simple Comparison of AWS, Azure, and Google Cloud
Who are the three giants of the cloud computing world, and who is each better suited for? A simple, practical comparison of AWS, Azure, and Google Cloud.
6 min readWhat Is Microsoft Azure? A Complete Introduction to Azure Cloud Computing
What exactly is Azure, what services does it offer, and why have so many large organizations trusted it? A complete introduction to Microsoft's cloud platform.
7 min readWindows Server or Linux Server? A Comparison Every IT Manager Should Know
For an organization's infrastructure, is Windows Server better, or Linux? The answer isn't simple — this article looks at the real decision-making criteria.
7 min readCisco Certifications from A to Z: A Complete Guide from CCT to CCIE
CCNA, CCNP, CCIE — what exactly do these letters mean, and what does the progression through Cisco certifications look like? A complete guide to the levels.
7 min readWhat Is Kali Linux, and Why Is It the Industry Standard for Penetration Testing?
If you've heard the name Kali Linux in every security tutorial but don't quite know what it is or why it's so widely used, this article is for you.
6 min read