FTP server under DMZ or LAN
Fri, 19 Oct 2001 00:02:02 +0000
Make sure you're allowing udp as well as tcp
>From: "Cristiano Costa" <email@example.com>
>Subject: FTP server under DMZ or LAN
>Date: Thu, 18 Oct 2001 23:46:06
>I´m having problems in making a connection to a ftp server under the
>iptables firewall, I´m using Red Hat 7.1 in the firewall.
>The problem is: when I connect to FTP server, this accept my connection,
>user name and passord, but when I try to list files I receive the following
>Can´t open data connection
>I´m using ip_conntrack_ftp
>I´m making sndat and dnat to ftp to ports 20 and 21, this ftp server may
>stay in DMZ or LAN, in anyone of theses I have sucess to make a transfer or
>I make forward for ports 20 and 21 from INET_IFACE to DMZ_IFACE or
>If anybody know something about this problem please helpme and if anybody
>have a sample script to make this please sendme.
>Tanks for attention!
>Cristiano R. I. da Costa
>Support and Security Systems
>Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp
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