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Old 11-21-2001, 02:18 PM   #1
Registered: Jul 2001
Location: Utah
Distribution: RedHat v7.3, OpenBSD 3.3, FreeBSD 5.0
Posts: 327

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Active and Passive FTP

Could somebody be so kind to define/explain to me the meaning of and difference between "active" and "passive" FTP?

I would also like to know the relationship of active/passive FTP to firewall rules, ports to remain open/closed, etc.

Many thanks in advance.
Old 11-21-2001, 02:39 PM   #2
Registered: Nov 2001
Location: Sweden
Distribution: GNU/Linux since -97
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Check this out

Well, you can check this out

The answer.......
Old 11-21-2001, 03:29 PM   #3
Registered: Jul 2001
Location: Utah
Distribution: RedHat v7.3, OpenBSD 3.3, FreeBSD 5.0
Posts: 327

Original Poster
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nice doc. I appreciate the quick reply.

If i understand correctly, you can more securely manage your firewall by specifying a range of ports that the FTP server will accept data connections on?

Does anyone know of the option within proftpd to configure this option? (If such a one exists?)
Old 11-24-2001, 09:48 PM   #4
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Check out the appendix to the above document, it tells you how to do it in ProFTPd.


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