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Windows Forum / Windows XP / Networking and Web / May 2008

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Packet Sniffers?

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Linn Kubler - 22 Apr 2008 19:07 GMT
Hi,

We are running a Windows network, 2003 Server Domain and Windows XP
workstations.  I'm having trouble with a printer and a specific application
and I feel that if I can see what's getting sent to the printer then I might
be able to solve this issue.  Or at least get the right vendor, software or
printer, to take a closer look at the issue.

I've been searching for packet sniffers and there are just so many that I
don't know how to choose one.  Is there a favorite out there?  Something
open source or free would be best for the budget of course.  I went to
source forge and it seems everything there is designed for Linux, not sure I
want to hassle with setting up a Linux box right now, so something that runs
on Windows would be nice.  Any suggestions?

Also, if anyone has an idea of how I could trap the print job before it gets
to the print queue on the workstation that would be helpful.

Thanks in advance,
Linn
smlunatick - 22 Apr 2008 20:18 GMT
Wireshark appears to be an open-source sniffer but it also requires a network
hub.

>Hi,
>
[quoted text clipped - 16 lines]
>Thanks in advance,
>Linn
Robert Moir - 26 Apr 2008 19:41 GMT
> Wireshark appears to be an open-source sniffer but it also requires a
> network hub.

Wireshark is awesome, and I'm honestly shocked at how the OP could
"research" open source packet sniffers and miss it, because has a massive
reputation. As for needing a hub, any packet sniffer will either need a hub,
a switch that echoes traffic to the port it's plugged into, distributed
agents or some other similar trick, they can only 'sniff' what they see
going past them, after all.
smlunatick - 28 Apr 2008 01:56 GMT
On Apr 26, 2:41 pm, "Robert Moir" <usenet+robspamt...@gmail.com>
wrote:
> > Wireshark appears to be an open-source sniffer but it also requires a
> > network hub.
[quoted text clipped - 5 lines]
> agents or some other similar trick, they can only 'sniff' what they see
> going past them, after all.

Try finding a new "hub."  There are getting to be "rare."
Robert Moir - 28 Apr 2008 18:48 GMT
> On Apr 26, 2:41 pm, "Robert Moir" <usenet+robspamt...@gmail.com>
> wrote:
[quoted text clipped - 9 lines]
>
> Try finding a new "hub."  There are getting to be "rare."

Yeah. Luckily most reasonable new switches come specced to allow you to echo
traffic if you want.
smlunatick - 28 Apr 2008 21:59 GMT
On Apr 28, 1:48 pm, "Robert Moir" <usenet+robspamt...@gmail.com>
wrote:
> > On Apr 26, 2:41 pm, "Robert Moir" <usenet+robspamt...@gmail.com>
> > wrote:
[quoted text clipped - 12 lines]
> Yeah. Luckily most reasonable new switches come specced to allow you to echo
> traffic if you want.

Give me an example of this type of switch.
Robert Moir - 01 May 2008 23:52 GMT
> Give me an example of this type of switch.

Just about any "intelligent"/programmable switch that you'd actually want to
install into a business big enough to own a server that's been purchased in
the past 3 or 4 years. It isn't a rare thing.
Robert Moir - 01 May 2008 23:54 GMT
> Give me an example of this type of switch.

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

http://en.wikipedia.org/wiki/Port_mirroring
Jack (MVP-Networking). - 22 Apr 2008 23:10 GMT
Hi
May be this can Help,
http://www.windowsnetworking.com/nt/atips/atips338.shtml
Jack (MVP-Networking).

> Hi,
>
[quoted text clipped - 16 lines]
> Thanks in advance,
> Linn
 
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