Re: Should the default snapshot length in tcpdump be 65535?

[Francois-Xavier Le Bail <fx.lebail () yahoo com>]

Hello,

Why not an environment variable like TCPDUMP="-s 68"
to add options to the command line ?

Best Regards,

Francois-Xavier Le Bail


--- On Tue, 3/10/09, Arien Vijn <arien.vijn () ams-ix net> wrote:

> From: Arien Vijn <arien.vijn () ams-ix net>
> Subject: Re: [tcpdump-workers] Should the default snapshot length in tcpdump be 65535?
> To: "Eloy Paris" <peloy () chapus net>
> Cc: "Arien Vijn" <arien.vijn () ams-ix net>, tcpdump-workers () lists tcpdump org
> Date: Tuesday, March 10, 2009, 2:58 AM
> On 10 Mar. 2009, at 2:01 AM, Eloy Paris wrote:
>
> > On Mon, Mar 09, 2009 at 11:52:50PM +0100, Arien Vijn
> wrote:
>
>
> > > Therefore it would be a good idea to make this an
> option during compile
> > > time.
> >
> > Hmmm. Wouldn't this be a bit overkill? And even if
> we went down this
> > path, I don't think that recompiling with the
> option to revert to
> > the shorter snapshot length by default will be that
> much easier for
> > administrators than editing legacy scripts to add
> "-s 68" to tcpdump
> > invokations.
>
> I meant it the other way around :) I suggested to leave the
> defaults to what they are. From experience I know that
> changing defaults are often not appreciated by the many
> administrators with lots of things on their minds.
>
> For those who don't like to type "-s 0" it
> would be nice to have the option to get rid of that under
> compile time.
>
> Things should not be static for ever though. IMO the
> default can be changed in the next major release (5), not in
> any 4.x.x release.
>
> Cheers, Arien
>
>
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