Re: IAB concerns against permanent deployment of edge-based filtering

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I think the IAB has a legitimate point.

perhaps. but last I checked, it was the Internet Architecture Board not the Internet Operations Board. So form an architectural purity perspective, sure, don't filter (and by extention, pull out firewalls and NATS.... :)

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There is a real danger that long-term continued blocking will lead to "everything on one port"

fair amount of handwaving there. prudent/paranoid folk over the years have persuaded me that it makes the best sense to only run those applications/services that I need to and shut off everything else - until/unless there is a demonstrated need for it. --bill