On Tue, 11 Mar 2003 15:42:00 -0500 John Stracke <jstracke@centive.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