Comment Kinda Like NetIntercept, but NA doesn't advertise (Score 3, Informative) 243
Except NetIntercept is available now, and DragNet is avaialable in 2003. Oh, and NetIntercept comes with SSH2 decryption by default. (It involves compromising one half of the connection.) And NetIntercept is silent on the monitored wire, making it difficult to detect or tamper with.
There is also Raytheon's SilentRunner and Niksun's NetDetector. But while the privacy wonks are running scared, they are missing the essential usefulness of these tools. It's for forensics - something goes wrong, you can go back and see what it was. I can't comment for the other tools, but NetIntercept makes digging 500,000+ connections from 2 weeks ago easy.
Yes, I work for Sandstorm. Our motto, "Tools with Sharp Edges". Its a fun company.