Packet capture is one of the most fundamental and powerful ways to do network analysis. You can learn virtually anything about what is going on within a network by intercepting and examining the raw ...

Packet capture is a mechanism that copies packets received from thenetwork and pushes them into user space making the frame available toan application for further analysis. These applications can be ...

Think you know what's happening on your network? Pull out tcpdump and you might be surprised how much it can tell you. In some ways, the tcpdump command may seem like a pretty basic tool for grabbing ...

In the previous article, I discussed the installation of three open-source packages on a computer running Linux to capture useful network statistics. Using Linux is economical simply because it can ...