Port forwarding and NAT loopback on Zyxel USG20

The Zyxel USG20 is a complicated router.  As I mentioned here it is a wonderful router for a highly connected household if you desire content filtering and bandwidth management. But this router isn’t for the feint of heart. Port forwarding on a traditional consumer is as simple as assigning a static internal IP address to a device, then forwarding ports to that IP address.  (A few routers...

Internet security and traffic management

Like many of you, we have a bunch of devices connected to our home internet connection.  A couple phones, tablets, laptops, a game console, TVs, etc.  And more wifi devices keep coming!  (You can get WiFi enabled thermostats and light bulbs now!)  You need a fairly robust router just to manage traffic with all of these devices connected and if you have kids like I do, you need a way to manage...

Replacing the VHF/UHF final transistor in a Yaesu FT-857D

What does this have to do with computer repairs? Well, it doesn’t, technically, but I am also a casual ham radio operator and recently the VHF/UHF final transistor in my radio blew. So what happened?  I bought a 2 meter amplifier off of eBay and while I was testing it my radio stopped triggering the amp.  I measured the power output from my Yaesu FT-857D and it showed less than 1 watt on 2...

What is the big deal with JAVA?

Java has had a lot of press lately. So what is going on? Java has been around since nearly the beginning of the internet. It is a powerful platform and most users know of it as a plugin for their web browsers. It is a lot more than just a plugin, but we are only going to discuss it as a plugin for your web browser? By default, your web browser (Internet Explorer, Firefox, Safari, Opera, Chrome,...

Now accepting credit cards!

Just wanted to let you know that we are now accepting all major credits for payment! (Cash and check are still accepted too!)

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