ntop is a tool that shows the network usage, similar to what the popular Unix command top does. ntop can be used in both interactive or web mode. In the first case, ntop displays the network status on the user's terminal whereas in web mode a web browser (e.g. netscape) can attach to ntop (that acts as a web server) and get a dump of the network status. In the latter case, ntop can be seen as a simple RMON-like agent with an embedded web interface.
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