[dns-operations] Is this valid edns0 query?

Mohamed Lrhazi Mohamed.Lrhazi at georgetown.edu
Fri Oct 10 18:07:50 UTC 2014


Yes, it clearly thinks these queries are malformed somehow... but are they
actually malformed or otherwise invalid?

I also cant figure out how to reproduce them with dig... The appliance
vendor, Google, tells me that edns0 opt code 20732 must be "the service
name", whatever that means....

Thanks a lot,
Mohamed.


On Fri, Oct 10, 2014 at 1:58 PM, Roland Dobbins <rdobbins at arbor.net> wrote:

>
> On Oct 11, 2014, at 12:52 AM, Wessels, Duane <dwessels at verisign.com>
> wrote:
>
> > The request should be processed as though that funny option code were
> not even there.
>
> Maybe the F5 has some kind of 'Invalid DNS Query' filtering function?
>
> ----------------------------------------------------------------------
> Roland Dobbins <rdobbins at arbor.net> // <http://www.arbornetworks.com>
>
>                    Equo ne credite, Teucri.
>
>                           -- Laocoön
>
>
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