Re: event-driven connection tracking

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On Wednesday 2010-10-13 17:24, Mr Dash Four wrote:

> Is it possible to use event-driven connection tracking - with conntrack-utils
> or by other means?
>
> Ideally, what I would like to do is 'register' a handler for particular
> connection events (when new connection is established and then closed for
> example) based on particular pre-defined filter (say, by protocol,
> source/destination ip etc) and execute a program code/function (if done
> programmatically) or a script (if done outside the connection-tracking domain)
> to do what I want?

conntrack -Ee NEW,DESTROY

would list you the specified events as they happen. Combined with a 
script that reacts when a new line is outputted by conntrack should
do the trick.

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