This week, we’ll take at look at the signaling system used by the PSTN as we begin to highlight some of the security concerns about networks moving toward a converged infrastructure. Today, we’ll ...

Need a jump start on Unix networking? Whether you're working on your home network or setting up systems at work, here are some basic Unix commands and insights that might prove helpful. Once upon a ...

What do I do about wireless security? You can take three really simple steps to dramatically increase the security of your wireless network. It is not foolproof wireless security, but it will keep you ...

Industrial networks increasingly incorporate switching gear to avoid bottlenecks that can bog down critical operations. Networks are starting to become a critical part of many industrial installations ...

The MACsec, IPsec and SSL/TLS/DTLS protocols are the primary means of securing data in motion (communicated between connected devices). These protocols can be anchored in hardware or implemented in ...

Virtual private networks, or VPNs, tend to get a bad rap as being difficult to set up, erratic in performance and a questionable deterrent against possible security breaches. All of which, ...

The process of troubleshooting your network involves a methodology that starts with cabling and works through the OSI model to the application layer. The network devices have a network cable that ...