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Hi All,
I have configured a Masq box using the 2.0.36 kernel, ipfwadm, and all
appropriate patches. This box will be used only as a masquerading box that
will also forward ftp traffic to an internal server.
This box will sit behind a firewall.
As far as the linux box is concerned, everything works great. I would like
to know what ports I need to open on my firewall that will allow FTP traffic
to work correctly. I have already opened port 21.
This allows me to get connected to my FTP server, but it can't establish a
data connection. To verify that my Linux box is configured correctly, I
tested an FTP connection from outside the linux box , but inside my
firewall, and everything works great.
Do I need to open port 20 on my firewall?
Thanks for your help.
Jim
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