May 04, 2026

woo hoo - the Youtube channel just hit 14,000 subscribers

 Thank you for all you support, likes and shares.

https://www.youtube.com/user/thetechfirm

woo hoo - the Youtube channel just hit 14,000 subscribers


Networking Advice.. Cover up!

Networking Advice.. Cover up!

If you’ve ever unboxed new network gear, you’ve probably noticed all those tiny plastic caps covering ports—especially on fiber modules. Most people toss them aside without a second thought. But those little covers actually play a bigger role than you might expect. In my video, I demonstrate putting the SFP dust cover back on a Ubiquiti UISP Router Pro after removing my sfp to copper transciever Its a simple habit that can save a surprising amount of trouble down the road.

May 03, 2026

Why Every Wireshark User Needs to Update Right Now

https://cybersecuritynews.com/wireshark-vulnerabilities-code-execution/

If your network toolkit depends on Wireshark — and chances are it does — a critical new security update demands your immediate attention. Wireshark, the world's most widely used open-source network protocol analyzer, has released a major security update addressing over 40 vulnerabilities, several of which enable arbitrary code execution through malformed packet injection or malicious capture files. The tool trusted to keep networks safe has itself become a target, and the scope of this disclosure is unlike anything the project has seen in recent memory.

May 02, 2026

Clean Up Your Wireshark .. Ads??

Clean Up Your Wireshark ..  Ads??

If you’ve ever opened a packet capture in Wireshark and felt like you were staring into a noisy mess of irrelevant traffic, this Chappell University tip hits home. The article focuses on a simple but powerful idea: not all traffic deserves your attention. By removing the new ad , analysts can dramatically declutter their view and zero in on what actually matters. It’s less about “blocking ads” in the traditional sense and more about stripping away distractions so your analysis becomes faster and more precise.

April 30, 2026

From Wires to Wi-Fi: A Laid-Back Look at How the Internet Grew Up


This issue of The Internet Protocol Journal (Vol. 29, No. 1) is a really enjoyable read if you’re into how the Internet became what it is today. Geoff Huston’s Internet Evolution article does most of the heavy lifting, but in a way that doesn’t feel overly academic. It walks through everything from the early days of slow terminals and simple networks to the massive, high-speed systems we rely on now. The way it ties Moore’s Law into all of this makes it easy to see why things scaled so quickly—and why the Internet feels so different compared to even a couple of decades ago.

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