NTap: The Raspberry Pi Network Tap

NTap is a very simple configuration to make a Raspberry Pi act as a transparent network tap.

If you’re interested to verify whether one of your devices (being a laptop, router or else) is connecting to unknown destinations or it’s performing some unusual network activity (for example as a result of a compromise), you can use NTap to intercept and store transiting traffic and later inspect it.

You’ll just need a Raspberry Pi with a default Raspbian installation, a USB Ethernet adapter and two cables.

The needed files and more information can be found on:
https://github.com/botherder/ntap