At trade shows, I occasionally walk into a booth and discover a product I really want to understand and appreciate. I am especially interested in how the traffic it sends or receives affects the ...

Knowledge of the structure of Internet Protocol (IP) packets is a fundamental part of understanding the Internet and how information moves from one point to another. The benefits of such knowledge ...

Network geeks among you may remember my article, “Linux Socket Filter: Sniffing Bytes over the Network”, in the June 2001 issue of LJ, regarding the use of the packet filter built inside the Linux ...

In Part 1 of this article, we talked about security issues related to sending and receiving IP packets and the function of IP Security, or IPSec. We also discussed different levels of security and ...

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 ...

Streamlining data transmission is a critical challenge for any enterprise. Thankfully, the TCP/IP protocol provides many ways to optimize data transfer. This article examines several options and shows ...