Re: [PATCH] nmap-service-probes: Misc database corrections, printer additions

[Brandon Enright <bmenrigh () ucsd edu>]

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On Fri, 27 Feb 2009 19:05:58 +0000 or thereabouts Brandon Enright
<bmenrigh () ucsd edu> wrote:

> Hey Aaron,
>
> Thanks for providing this capture.  It gives me a better idea of what
> the protocol looks like.
>
> Unfortunately your machine only sends data, it never gets anything
> back from the printer.  Service fingerprinting needs to get some set
> of bytes back from a probe to do matching.
>
> I've read that JetDirect can be used to do things like check printer
> status, check paper and ink levels, etc.  Do you have a utility (HP
> provided?) that will tell you the status of the printer?  If you could
> capture that I think it would go a long way towards improving our
> printer detection.
>
> Brandon

Wireshark called the datastream "HP PDL".  A little googling turned
this up:

http://en.wikipedia.org/wiki/Printer_Command_Language

I think with those documents we might be able to get something working.
A packet capture would still be nice if you have the time.

Brandon

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