On Tue, Oct 16, 2018, 22:37 Michael Thomas <mike@mtcc.com> wrote:
I believe that the IETF party line these days is that Postel was wrong
on this point. Security is one consideration, but there are others.

Mike

I saw just a small swing of the pendulum toward the center, a nuanced meaning for "liberal". The adage wasn't tossed out. Operationally it can't be. 

Scott