It is expected that Internet of Things use is expanding quickly. But what about their security? I strongly encourage to read article The Internet of Things Is Wildly Insecure — And Often Unpatchable by well known security expert Bruce Schneier. It says that we’re at a crisis point now with regard to the security of →
Mobile infrastructure must catch up with user needs and demands. Ubiquitous mobile computing is all around us. Some time in the next six months, the number of smartphones on earth will pass the number of PCs. As the power and capability of many mobile devices increases, the increased demand on networks. We watch more videos, →
Mobile infrastructure must catch up with user needs and demands. Ubiquitous mobile computing is all around us, not only when we use smartphones to connect with friends and family across states and countries, but also when we use ticketing systems on buses and trains, purchase food from mobile vendors, watch videos, and listen to music →
Just because new computers no longer include the venerable serial port doesn’t mean it’s dead. The Serial Port: It Just Keeps Going article tells (and I can agree to that that) in fact, the serial port is still thriving in many test instruments, industrial controls and medical devices. You’ll find RS-232, RS-422, and RS-485 serial →
Your smartphone is an amazing piece of technology, but it would be nothing without a cellular network which gives you the ability to text, talk, and browse the web. You may not see most of the massive infrastructure used by your cellphone provider, but it’s there. What If You Could See Your Cellular Network? What →
How low can Ethernet switches prices go? In small unmanaged 8 port 10/100M 5 or 8 port switches typical price is around 15-25 Euros (around 2-3 Euros per port). But there are even cheaper Ethernet switches. Netwjork Tenda S108 SOHO kytkin/switch jossa 8 porttia is a very cheap 8 port 10/100M switch that costs only →
The trend in professional audio systems seems to be that audio signals are move and more moving from balanced analogue interfaces and proprietary digital interfaces to Ethernet networking. There are many good reasons for that, which I am not going through in this post, for more information on reasons for transition look my earlier postings →
Linux Journal has published several interesting articles on Linux networking. Here are some of the most interesting of them. Queueing in the Linux Network Stack tells that packet queues are a core component of any network stack or device. They allow for asynchronous modules to communicate, increase performance and have the side effect of impacting →
I just saw yesterday an interesting Digital Attack Map This Live Map of Ongoing DDoS Attacks is a Digital Attack Map that was produced in a collaborative effort by Google Ideas and Arbor Networks to raise awareness about distributed denial of service attacks that try to choke or shutdown websites. Typical reasons for attacks: sites →
I have written about sending video signals over UTP cable. I have covered single composite video signal and audio. Now it is time to discuss sending VGA over UTP cable. Some DIY people (including me) have built different kind of adapters from VGA connector to RJ-45 connector. In best cases simple passive connection between those →