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On Fri, 26 May 2000, Phonix wrote:
>
> No harm, no foul (except my butchered spelling of velour). =-)
>
> > Would this mean that the proof-of-concept code only works with NICs
> > that do checksumming of their own? (That would have been nice to know)
>
> No. The code still works with a checksum of 0 without a checksumming
> NIC. It was just easier to write the code with an ip checksum of 0 rather
> than going through the expense of actually calculating it.
I just tested this over the Net against an NT4.0 IIS server, and it
effectively DOS's the box. The packets make it right through a Cisco 25xx
router.
geoffrey
+++++++++++++++++++++++++++++++++++
Santa Claus,
the Tooth Fairy,
Windows 2000 ...
Some things you just outgrow.
++++++++++++++++++++++++++++++++++
Key fingerprint ===> E8E2 1EC4 6640 1F9A 5A09 0DB6 FC5E BDAA D9CB 6F04
Public key available upon request.
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