Passive Network Tap

At the 2600 meeting in May, Asmodian X brought a passive network tap to show off. It will capture bi-directional traffic on the line, while keeping the interfaces from being able to transmit anything. It does require two separate interfaces to collect all of the data on the line, but that's a small price to pay.

I found a great set of Passive Network Tap instructions on Instructables [via Make: Blog]. This is pretty much the same design that Asmodian X had set up, but this one is mounted in a three-jack wall-outlet faceplate. Head on over and take a look!