ftp firewall filter

[Andrew Feigenson <andrewf technologist com>]

(RHL5)

How do I set up a filter to allow ftp (thru port 21) to pass through the 
firewall.  Not so the outside can get in but so those behind the firewall 
can get out.

Thanks,
A

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 Andrew P. Feigenson    <andrewf technologist com>
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