Fedora ftp install without a name server?
John Abreau
jabr at blu.org
Thu Mar 23 18:22:01 EST 2006
Ben Scott wrote:
> Since that obviously sucks for any number of reasons, passive mode
> was created. PASV has the *server* listen on an ephemeral port, which
> it tells the client about. The client then connects to that port for
> the data channel.
Just a minor nit; PASV mode wasn't invented to deal with firewalls; if I
recall correctly, it was part of the ftp spec early on, and its intended
purpose was for server-to-server transfers. The "standard" ftp session
had client1 teling server1, "send this file to client1". PASV was
supposed to enable the client to tell server1, "send this file to server2".
I seem to recall a lot of early ftp client software didn't support the
server-to-server capability, particularly on MacOS and PC platforms.
--
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