Wireshark · Wireshark-users: Re: [Wireshark-users] running wireshark on my network

[Stephen Fisher <steve@xxxxxxxxxxxxxxxxxx>]

On Tue, Mar 15, 2011 at 03:55:50AM -0700, M Holt wrote:

> This is of course, is not possible, because as already mentioned, 
> Wireshark passively monitors traffic, but is not injecting traffic of 
> it's own.

The only exception to this is the default behavior of Wireshark to do 
DNS lookups on all of the IPs it sees.