[ih] Why FTP uses two ports?

John Kristoff jtk at depaul.edu
Sat Jun 30 06:49:01 PDT 2012


On Thu, Jun 21, 2012 at 01:07:09AM -0300, Eduardo A. Suárez wrote:
> I want to know if anyone remembers the origins of FTP and the reason
> why FTP uses two ports.

I asked a related question about a decade ago.  The thread that resulted
may be interesting to review.

  <http://www.postel.org/pipermail/internet-history/2002-August/000085.html>

John



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