(When replying, please try to arrange things so that it's clear what
text is quoted from the message and what text is your reply....)
On Sep 23, 2007, at 4:25 PM, Tom Maugham wrote:
> On Sep 23, 2007, at 6:19 PM, Sake Blok wrote:
>
>> Sometimes it's even worse, the driver will not send any packets
>> to the system when the card is put in promiscuous mode. In those
>> cases you need to disable "Capture in promiscuous mode" in the
>> capture options screen to be able to see your own packets in
>> wireshark.
>
> That's what appears to be the case. Is there any way around this?
Either:
1) find a wireless adapter that supports promiscuous mode, if any
exist - see
http://www.micro-logix.com/WinPcap/Supported.asp
2) switch to an OS less hostile to promiscuous-mode 802.11 capture,
such as Linux or one of the BSDs;
3) buy an AirPcap adapter and use that:
http://www.cacetech.com/products/airpcap_family.htm
4) run Vista on your machine and use the latest version of Network
Monitor from Microsoft:
http://www.microsoft.com/downloads/details.aspx?FamilyID=18b1d59d-f4d8-4213-8d17-2f6dde7d7aac&DisplayLang=en
>> Not quite ;-) What I meant was that if you use to wired PC to
>> capture the packets instead of the wireless PC, you will also not
>> see the all the packets. This is because the PC is connected to
>> a switch, which learns to which of it's ports each system is
>> connected to and only forwards traffic destined for the connected
>> system(s) out a port. You might want to read the Wiki-article
>> about that again. It will give you some insight in what kind
>> of traffic you can expect when you connect the PC to some type
>> of device.
>
> It appears that I must use the wired pc to see the traffic to/from
> that pc
> which unfortunately I cannot do. I can only use the laptop.
Then you'll have to plug the laptop into a *wired* port on the router
- and configure the router so that a copy of all traffic to and from
the wired PC gets sent to the port into which you've plugged the
laptop. That might or might not be possible; you'd have to find
documentation on the router to see if that's possible.
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