[ih] Why FTP uses two ports?

• Subject: [ih] Why FTP uses two ports?
• From: jnc at mercury.lcs.mit.edu (Noel Chiappa)
• Date: Thu, 21 Jun 2012 10:20:42 -0400 (EDT)

I have this bit vaguely set that NCP sockets were unidirectional, whereas TCP
ports are bidirectional. Was that a factor at all (if my memory of how things
worked is even true :-)?

       Noel

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