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What is PASiV mode in FTP?

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Old 02 December 2002, 02:08 PM
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gimlet
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Does anyone know what PASiV mode is in FTP? If so, how to enable it in WS FTP Pro.
Old 02 December 2002, 02:45 PM
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dsmith
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Standard FTP :-

Client opens TCP control connection to Server.
Server Opens TCP data connection back to Client.

The reverse data connection can screw up a lot of firewalls which dont permit any inbound connections. PASV mode ensures both connections are initiated from the Client to Server. giving fewer hassles with Address Translation/Firewalls/Access-Lists.

Deano
Old 02 December 2002, 03:24 PM
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what would scooby do
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On WS FTP pro there is an advanced tab on session properties, tick passive mode (I thought it was on by default meself)
Old 04 December 2002, 07:50 PM
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gimlet
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Thanks for your replies. Found it at last under Tools, Options, Advanced, Root, Site, "Use passive transfer mode". I guess that's it. And yes it was already on.

The actual problem that prompted my network techy to suggest I set PASiV (actual quote) to on has been fixed now. Turned out to be a permissions issue, nothing to do with my FTP set up.
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