I'm interested in learning more about TCP/IP. I don't want anything <I>too</I> technical but I'd like to learn about the various parts of a packet and how to read it. I'd also like to see packets ...

In a column about syslog [see “syslog Configuration” in the December 2001 issue of LJ] I mentioned “stealth logging”--by running your central log server without an IP address, you can hide your ...

If you deal with network administration or security management, or if you are merely curious about what is passing by over your local network, grabbing some packets off the network card can be a ...

Juliet is the senior web editor for StateTech and HealthTech magazines. In her six years as a journalist she has covered everything from aerospace to indie music reviews — but she is unfailingly ...

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 ...

I have been trying to implement a packet sniffer on QNX to read outgoing UDP packets for a software unit test. As far as I am aware, it isn't possible to create a raw socket and set it promiscuous ...

Need a simple-to-use yet highly flexible intrusion detection package? If so, look no further than Snort. This Linux utility might be just what you need for network traffic monitoring, and Jim McIntyre ...

Trying to understand every detail involved in creating an embedded product that communicates via Internet protocols can be a daunting task. These protocols were created for systems that generally have ...

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 ...