Hmm... wonder what it would take to be able to sniff on a
PCI bus:)
Ed
On Fri, 2002-01-04 at 18:30, Ronnie Sahlberg wrote:
>
> ----- Original Message -----
> From: "Guy Harris"
> Sent: Saturday, January 05, 2002 6:56 AM
> Subject: Re: [Ethereal-dev] NDMP patch.
>
>
> > > perhaps it is time to implement packet-scsi.c since both ndmp and iscsi
> > > would benefit from that one
> >
> > Probably a good idea. Heck, somebody may decide to add a scheme to log
> > Fibre Channel traffic (or parallel SCSI traffic, or IEEE 1394 traffic)
> > to a file at some point, adding even more SCSI transports.
>
> This would be very useful.
> Even more useful would be if somtime in the future, patches to libpcap and
> selected system kernels
> would materialize which would make it possible to sniff a block device such
> as scsi adaptors in the same
> way as we can sniff network devices.
> Best of all would be if such changes to libpcap and the block device drivers
> would even allow us to
> sniff passively on say an external SCSI bus. Then what we would get would be
> a real scsi analyzer, something one could plug
> in on a scsi bus to sniff and troubleshoot traffic.
> Ah, dreams.
>
> >
> > > i would be very interested in aquiring ndmp captures to test it with,
> >
> > I may get some at some point (although they may be huge, and may contain
> > stuff I'd need to edit out before sending it).
>
> I would only need a few specific packets containing the CDB commands. Not
> anything else.
> Use editcap to just select a few such packets.
> Also you could just edit the packet payload to clear out any sensitive data
> with null bytes.
> Dont worry if such changes messes up the checksums. It is easy for me to
> just disable the checksum
> calculations when testing the dissectors.
> Though, packet-scsi.c is nothing more than an idea (albeit a nice and
> perhaps useful one) at this point.
>
>
>
>
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