Re: Passive FTP and iptables

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On Sun, Aug 12, 2001 at 02:59:00AM -0500, Jim Roland wrote:
 
> My problem:
> In passive mode, my FTP clients are able to obtain a control connection and
> login, but are unable to receive data (even a "dir" or "ls" fails).  I know
> this is because the passive port (arbitrary) is being denied, but I am
> unable to make the ip_nat_ftp and ip_conntrack_ftp modules "see" the passive
> action.  Active FTP (port 20:21 only) works just fine.

this is very strange.

> What iptables commands do I need to use to make passive FTP work?

none. the conntrack and nat helpers for ftp supposrt PORT and PASV mode
straight forward.

> Regards,
> Jim Roland, RHCE

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