<worldwidenandhu@gmail.com> wrote in message
news:1189159115.608255.196660@22g2000hsm.googlegroups.com...
> hi i am using linux as a gateway to connect inside local machines to
> internet.
>
> linux eth0 :XX.XX.XX.XX
> linux eth1 : 192.168.1.1
>
> inside local FTP Server(Win2k3 IIS) : 192.168.1.200
>
> now i want to forward incoming ftp request on eth0, to acces
> 192.168.1.200 FTP server.
>
> some days before it works well.
> but now, my remote office cant able to connect FTP server through
> Windows explorer (ftp://XX.XX.XX.XX).
> while giving the addrees in above line, the explorer asks for
> password, and then it displays as, "Operation timed out."
>
> only command mode ftp.exe works well (start-run-cmd-ok, ftp open
> XX.XX.XX.XX)
>
> but from my local network, any system can connect the FTP server
> easily (as, ftp://192.168.1.200).
> also, wheni assign the XX.XX.XX.XX ip directly to FTP server, we can
> access it from remote office..
>
> the problem comes only when we connects it through linux firewall.
>
> i used the following lines in the iptables command:,
> **********************************************************************************************************************
> iptables -t nat -A PREROUTING -i eth0 -p tcp - -dport 21 -j DNAT - -
> to 192.168.1.200:21
> iptables -A FORWARD -p tcp -d 192.168.1.200 - -dport 21 -j ACCEPT
> **********************************************************************************************************************
>
> but other http port forwarding works well....
>
> pls tell me the solution for these problem......
>
> Thanks and Regards,
> Nandhakumar K.
>