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Re: sysctl should disable ECN by default



Dominik Kubla <kubla@sciobyte.de> writes:

> On Thu, Sep 06, 2001 at 05:02:19PM +0200, Guillaume Morin wrote:
> > 
> > RFC793 says 
> > 
> > Reserved:  6 bits
> > 
> >     Reserved for future use.  Must be zero.
> > 
> > 
> > The last statement is the cause of all confusions. s/Must/Should/ would
> > have been better.
> 
> Wrong. It is misinterpreted. "Must be zero" is for GENERATING conformant
> packages.  Clearing bits is most certainly a violation of the internet
> standards.

This knife cuts both sides.  Why should someone bother to forward
non-conformant packages?

-- 
Florian Weimer 	                  Florian.Weimer@RUS.Uni-Stuttgart.DE
University of Stuttgart           http://cert.uni-stuttgart.de/
RUS-CERT                          +49-711-685-5973/fax +49-711-685-5898



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