very slow "network login" over PPP

Luke Kenneth Casson Leighton lkcl at
Wed Feb 2 23:21:12 GMT 2000

this works.  you have to flood the clients' network with  at least two
spoofed UDP packets per second.

On Wed, 2 Feb 2000, Dan Kaminsky wrote:

> > we can't fix badly-configured clients!
> > 
> > the client is broadcasting NetBIOS lookups on a network containing ONE
> > computer: itself!!!!
> > 
> > when this fails, it tries point-to-point NetBIOS lookups, and these
> > succeed.
> > 
> > there's NOTHING we can do about this.
> > 
> > if he can't fix the clients, he'll have to live with it.
> What happens if we spoof the response to the point to point lookups before
> the client asks for them?  Is Windows amenable to gratuitious
> announcements?
> Yes, I hope not too...but what does NT do?
> Yours Truly,
> 	Dan Kaminsky
> 	DoxPara Research

<a href="mailto:lkcl at"   > Luke Kenneth Casson Leighton    </a>
<a href=""> Samba and Network Development   </a>
<a href=""        > Samba Web site                  </a>
<a href=""      > Internet Security Systems, Inc. </a>
<a href=""          > Macmillan Technical Publishing  </a>

 ISBN1578701503 DCE/RPC over SMB: Samba and Windows NT Domain Internals

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