Verifying the design of network components is quite different from testing the networks themselves. Network engineers test from the top down. If they encounter a problem, they look only as far down ...

The tools known as network sniffers are named after a product called the Sniffer Network Analyzer. Introduced in 1988 by Network General Corp. (now Network Associates Inc.), the Sniffer was one of the ...

When your car starts to get sluggish you pop the bonnet and check the individual components underneath. So why is it that when our networks start to run slow the components are often the last thing ...

Interface packet loss provides indications of link problems that shouldn’t go ignored. But then you have to decide on an alerting threshold that indicates a problem without creating too many false ...

SDN management tools include TAP monitoring applications and network packet brokers (NPB), which negotiate network traffic from multiple SPAN ports and manipulate it to allow more efficient use of ...

Packet Sniffing may sound like a malicious activity at first glance, but it is actually an ethical way to analyze the network and diagnose any network-related problems. Network technicians use Packet ...

Have you ever performed surgery on data packets? There are times when that may be the best way to troubleshoot and optimize your network. This edition of the Packet Professor will get you started in ...

In the tradition of other great network analysis tools like Bro and Sourcefire, Corelight gives security pros deep insight into data traffic on the systems they defend. I’ve long been a huge fan of ...