Wireshark · Wireshark-users: Re: [Wireshark-users] how can I show the application/process that was requesting/receiving traffic o

[Kevin Cullimore <kcullimo@xxxxxxxxxx>]

On 7/11/2010 8:26 PM, Greg Hauptmann wrote:

thanks Guy

 

re "looks up TCP and UDP packets in the OS's TCP or UDP socket tables" - do you know (simplistically) how Wireshark is different out of curiosity?  if it doesn't look up socket tables what does it look up?  (this reflects the fact I don't understand the network stack on a Windows PC I guess)

It doesn't attempt to match processes to packets. Network Monitor does.

 

On 12 July 2010 03:40, Guy Harris <guy@xxxxxxxxxxxx> wrote:

On Jul 11, 2010, at 3:01 AM, Greg Hauptmann wrote:

> Is there a way with Wireshark, when running it on a Windows PC (say XP, Vista, or Windows 7), a way to have a column which shows the name of the application/process/service that was requesting/receiving the traffic?    For example, it might be "firefox" for some of the internet traffic for example...

Currently, no.

> Or is this just not possible with Wireshark (which uses the WinPCap library under-the-bonnet I think?)

Yes, it uses WinPcap, but that's not the issue.  As far as I know, no packet capture mechanism directly provides that mechanism; I infer from a statement on the Network Monitor blog that Network Monitor, for example, looks up TCP and UDP packets in the OS's TCP or UDP socket tables to *attempt* to relate packets to processes.  Wireshark doesn't do that.

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--
Greg
http://blog.gregnet.org/

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