Re: [WinPcap-users] Monitoring a port

[Loris Degioanni]

Guy,
Guy Harris wrote:
Unfortunately, Windows is one of the systems on which traffic from the 
machine to itself can't be captured, unless WinPcap supports the 
"Microsoft Loopback Adapter", which I have the impression it might not 
do.  You could always try it; see

    http://support.microsoft.com/default.aspx?scid=kb;en-us;839013
    http://support.microsoft.com/default.aspx?scid=kb;en-us;842561
If that doesn't work, I don't know what would.
I've never tested the loopback adapter of Windows XP and 2003, but I 
suspect it's a revisitation of the one that Windows NT offered by 
default. That adapter just didn't receive any of the ip traffic, because 
in Windows the tcp/ip driver handles loopback internally, without going 
down to NDIS.
The Windows NT loopback adapter was more like a simple NIC driver that 
protocol drivers could use to test their functionality in absence of a 
network connection.

Said that, if anyone tries it I'd be glad to know the results.
Loris
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