Very Computer

Hi,

I am running ProFTP 1.2.0rc2 on my Linux box.
When doing a ftp from a machine with a static ip
address or from localhost I have no problem at all.
When doing a ftp through a NAT or masquerading
box to my ftp server I get these error messages:

Dec 13 13:18:30 ns proftpd[25840]: ns.mydomain.com \
        (mail.ftpclient.com[162.96.203.154]) - Refused \
         PORT 192,168,3,40,145,163 (address mismatch).

What does "adress mismatch" mean and how can
I solve this problem ? Any ideas ??

Thanks, Joerg.

Quote:>PORT 192,168,3,40,145,163 (address mismatch).

You need to run an ftp proxy or an ftp masquerading module on the NAT, to
intercept your ftp PORT commands and rewrite it.
Assuming you are using linux with a 2.2.x kernel,

you have to load the masq module for ftp ,
I think it is called ftp_masq.o or something.

look in the /lib/modules/<kernel version>/ , and further down.

modprobe ftp_masq.o should do it.

hth

Quote:

> >PORT 192,168,3,40,145,163 (address mismatch).

> The outside computer ( Ftp server ) sees only the NAT computer's external ip
> . Your computer( internal) sends the PORT command, specifying the port on
> which to receive data, as well as it's IP ( internal ip address ) .

> You need to run an ftp proxy or an ftp masquerading module on the NAT, to
> intercept your ftp PORT commands and rewrite it.
> Assuming you are using linux with a 2.2.x kernel,

> you have to load the masq module for ftp ,
> I think it is called ftp_masq.o or something.

> look in the /lib/modules/<kernel version>/ , and further down.

> modprobe ftp_masq.o should do it.

> hth

        Thanks, Joerg.