BIND only resolves hostname on the second attempt
bind-users at dollardns.net
Mon Nov 1 22:27:54 UTC 2004
EDNS is far from microsoft specific. EDNS is standardized by RFC 2671.
--- Originally written by: Brian Kendig <brian at enchanter.net> ---
> On Oct 28, 2004, at 8:37 PM, Mark Andrews wrote:
> > Upgrade / configure your firewall to handle EDNS. It is
> > blocking the following reply from the root servers. Note
> > it is bigger than 512 byte of a standard DNS query.
> Thank you for the response - I'll reconfig my firewall.
> This brings up the question, though: where is EDNS coming into play?
> My understanding is that EDNS is a Microsoft Server 2003 extension,
> I'm only running Mac computers here, no Microsoft. Are the root
> servers running Windows Server 2003? Or does this only cause a
> when I try to resolve a site whose primary DNS is running Windows
> Server 2003?
> And why would this problem have only started occurring a few days ago
> to me (and to Scott Haneda, who also reported it)? Why would a
> Microsoft feature break things for those of us who aren't using
> anything Microsoft?
> Thanks for any info. I just want to get my facts straight.
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