FTP upload problems!! 

Newsgroups: comp.os.linux.security
> We have a little lan with a Redhat 6.2 server.
> We configured a little firewall.

You will need to setup firewall rules for ports 20 & 21 to get it working properly.

http://www.linux-firewall-tools.com is your friend. This site has a design tool that will build the necessary rules for you.

Luke