OPT bug clarification please
Mark_Andrews at isc.org
Mark_Andrews at isc.org
Thu Nov 14 11:33:30 UTC 2002
>
> In reviewing:
>
> http://www.isc.org/products/BIND/bind-security.html and
> http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21469
>
> I think I understand what's happening with the OPT bug, but I want to be
> sure. This bug affects a resolving name server when a client sends a query
> for something that generates an NXDOMAIN response (plus other nastiness in
> the OPT section), correct?
>
> The thing I want to clarify is whether or not this bug can be triggered in
> a name server that is authoritative only, and whether or not "fetch-glue
> yes" will follow the same resolver path that triggers the bug.
It affects recursive servers only.
>
> Thanks,
>
> Doug
>
> --
> "We have known freedom's price. We have shown freedom's power.
> And in this great conflict, ... we will see freedom's victory."
> - George W. Bush, President of the United States
> State of the Union, January 28, 2002
>
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>
>
>
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews at isc.org
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