Re: source ip spoofing option problem

From: Danny McPherson <>
Date: 06/29/07
Message-Id: <>

On Jun 29, 2007, at 9:49 AM, Neil McKee wrote:

> Eric,
> I may be wrong, but I don't think Windows allows this kind of
> source-spoofing, even with cygwin. This feature was only ever
> tested on linux.

Yep, suspect so:

What new functionality is added to this feature in Windows XP Service
Pack 2?

UDP datagrams with invalid source addresses cannot be sent over raw
sockets. The IP source address for any outgoing UDP datagram must
exist on a network interface or the datagram is dropped.

Received on Fri Jun 29 12:25:23 2007

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