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> That one port for general Web services might be best kept away from port 80 > for a number of reasons; it is conceptually distinct from the human oriented > communications on port 80, for a start. > > But an HTTP-based protocol for, say, instant messaging should have a port > unto itself where firewall admins can selectively enable or disable incoming > traffic to their workstation cluster! Also to allow more effective ACLs and state handling of the traffic. HTTP traffic posting to a web page might be filtered, managed, cached or otherwise handled in ways entirely unsuitable for, say, streamed data. Especially if 'purpose built' hardware starts evolving... -Bill Kearney
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