Iptables and Port Forwarding Issues.
spears.chris_at_gmail.com
Date: 09/28/05
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Date: 28 Sep 2005 11:34:47 -0700
I am trying to forward a single port from the outside box (linux) to
the inside box (win2k3 server). The service on the inside machine is a
webserver on a nonstandard port.
I have tried these iptables lines and they have failed me.
iptables -t nat -A PREROUTING -p tcp -i eth0 -d 65.xx.xx.xx --dport 188
-j DNAT --to 192.168.1.xxx:188
iptables -A FORWARD -p tcp -i eth0 -d 192.168.1.xxx --dport 188 -j
ACCEPT
My setup.
internt <---> 65.*.*.* eth0 <linux box> 192.168.1.1 eth0:0 <--->
192.168.1.* <win2k3 server>
>>From the linux machine I can request pages from the 192.168.1.* address
just fine http://192.168.1.*:188 I want to be able to access the pages
via 65.*.*.*:188
the only other rules I use are:
echo 1 > /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
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