Ethereal-dev: Re: [Ethereal-dev] Question regarding capabilities

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From: Gerald Combs <gerald@xxxxxxxxxxxx>
Date: Mon, 16 Jun 2003 08:08:18 -0500 (CDT)
On Sun, 15 Jun 2003 nobody@xxxxxxxxxxxxxxxxxxx wrote:

> With Ethereal, is it possible to filter a stream and capture (not simply copy) all the packets holding them for some amount of time (say 5 seconds) and then releasing them to their destination? So, in effect the destination will see the stream with a 5 sec delay.
> 
> 
> 
> If it's not possible with Ethereal, does anyone know of any programs available that are able to this?

This is not possible with Ethereal.  However, a package called NIST Net
is specifially designed for this sort of thing:

    http://snad.ncsl.nist.gov/itg/nistnet/

FreeBSD's dummynet might do what you need, and I think this may also be
possible with Netfilter under Linux.