Protocol analyzer

A piece of software, sometimes running on hardware dedicated to the task of finding errors and monitoring the state (and traffic) on a digital network.

You will find it mentioned in the article on NCP, Network Core Protocol.

This article is a stub. Feel free to write more.

I suggest the following sections:

  Definition

  Actual products (Ethereal ...)

  Functions

  Related instruments (oscilloscope etc.)

  "Sniffing"

  Security issues