I have a PC router that runs Ubuntu Server 7.04 (kernel version
2.6.20-15-server) and Shorewall (latest version) as a firewall. On one of
computers connected to it I run a FTP server. the problem is i cannot
connect to it from outside. The ftp server is set up using serv-u. the port
used for ftp is 50005 and the ip of that computer is 192.168.0.3. i can
however connect to it from another computer on LAN. here are my rules:
#ACTION SOURCE DEST PROTO DEST SOURCE
ORIGINAL RATE USER/
# PORT(S) PORT(S)
DEST LIMIT GROUP
#SECTION ESTABLISHED
#SECTION RELATED
SECTION NEW
SSH/ACCEPT all $FW
Webmin/ACCEPT all $FW
DNS/ACCEPT loc fw
Ping/ACCEPT loc all
Ping/REJECT:info all $FW
Ping/ACCEPT $FW all
DNAT net loc:192.168.0.3 tcp 50000:50005
DNAT net loc:192.168.0.3 udp 50000:50005
NTP/ACCEPT all all
ports 50000-50004 are used for torrents, ed2k and a couple of other things,
which work fine. what am i missing here? modules nf_nat_ftp and
nf_conntrack_ftp are loaded. I've been dealing with this for a couple of
months now and i don't know what else to try. Please help me!
Ziga
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