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Re: IAB policy on anti-spam mechanisms?

2003-03-12 10:07:24
On Tue, 11 Mar 2003 15:42:00 -0500
John Stracke <jstracke(_at_)centive(_dot_)com> wrote:

Perhaps the notion of a well known port is a concept whose time has
passed.  At least for connection oriented protocols, doing away with
well known ports might have some good properties for some basic
authentication/cookie mechanism as well.

Well, there's SRV records; but that basically pushes the problem up a 
layer.  If services are identified by well-known service names in the 
SRV record, then people will start filtering at the DNS level.

What I was inferring was not to do away with ports entirely, but to make
them so they are all ambiguous.  Somehow knowing the application and its
associated port would be learned rather than well known.

John