getting edns disabling message in logs

Tony Finch dot at
Wed Jul 4 14:54:42 UTC 2012

Cathy Almond <cathya at> wrote:
> (Just created, so apologies if there are any typos or other editorial
> corrections needed - they will happen later)

I suggest "middlebox" since "middleware" usually means something like a
horrific enterprisey web services message bus framework.

> > Is there any way that we can show that current disabling EDNS happens by
> > firewall issue ?
> That's a bit tricky, if what's broken is not in your network space.  On
> the other hand, if you're getting this reported for every domain that is
> queried, then it's probably *your* problem.

Try the DNS-OARC reply size test server.

f.anthony.n.finch  <dot at>
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