ftp server behind a firewall

[Harald Thoeny <harald.thoeny@swissonline.ch>]

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hi all,

here is the problem

the ftp is behind the firewall. the hole network is masquareded.

it is not a problem to connect from outside to the firewall but if the 'ls' 
command is send to the server the connection is getting lost

can anyone explaine how to set up a proffesional solution ?

thanks

harald
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