FTP through NATD?

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FTP through NATD?

Posted by Mark Weisman on Wednesday June 05, @09:07PM
from the captain-she's breaking up, I can't hold it much longer. dept.
I've been told that when using FTP through the NATD on a FreeBSD box, that you must add not only port 21, but 20 for ftp-data, and another one for active communication. What's the third port? Never heard of such a thing.

However, realistically I've configured my ipfw to accept both ports 20 and 21, and I've added the redirect to my natd, yet I cannot see throught the firewall with FTP? Any suggestions?

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