Re: can't transfer files via ftp

[dparker@utica.edu]

> Dear all,
>  
>  I use debian 3.1(sarge) as a router. I wrote a firewall script 
> after I  run this script all the pcs in my LAN can't transfer files 
> from ftp  server but I do allow ftp ports
>  
>  $IPTABLES -A FORWARD -i $LAN_IFACE -o $INET_IFACE -s 
> $LAN_IP_RANGE -d 0/0 -p tcp --dport 20 -j ACCEPT
>  $IPTABLES -A FORWARD -i $LAN_IFACE -o $INET_IFACE -s 
> $LAN_IP_RANGE -d 0/0 -p tcp --dport 21 -j ACCEPT
>  
>  I can connect to ftp server but I can't transfer. Do anyone give 
> me an advise? 
>  Thanks.

I had this problem on a Slackware box, and it turned out I needed to load the ip_conntrack_ftp module.  That solved the problem.  Not sure if this is the same in Debian, but I hope this helps.

    - Dave P.