New ZeroConf Spec

Ian Jackson ian at
Thu Jul 13 11:19:10 BST 2006

Scott James Remnant writes ("Re: New ZeroConf Spec"):
> On Wed, 2006-07-12 at 17:12 +0100, Ian Jackson wrote:
> > We were discussing DNS.  DNS packets have a 16-bit id field which must
> > be replicated in the response.  However, not all implementations set
> > it randomly (mine doesn't, for example!) so you must protect your
> > resolver from forged responses.
> I'm not sure this is also true for Multicast DNS, where updates can be
> sent across the network unanticipated.

Yes, but mdns is _designed_ to allow every `nearby' host to mess with
your view of the mdns namespace.  That's the whole point.


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