[Gllug] Network Traffic

[Ian Northeast]

Andy Loates wrote:
> 
> Hi
> 
> Apologies for this simple question.
> 
> My internet (ISDN) connection refuses to close down after the specified
> idle time - 4 mins - ie some process is making it stay up.
> 
> There is a utility/command that is similar to 'tail -f /var/log/---' for
> files that shows you all network traffic as it occurs. I've used it
> before but I must have thrown the reference to it away and no matter of
> looking through manuals, Books, google etc can i find it.

Tcpdump is what you want.

Regards, Ian

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