Does local traffic even get filtered through iptables?

rowan

elemint@hotpop.com wrote:

>I am trying to port forward on tcp port 110 but I keep getting 
>"telnet: Unable to connect to remote host: Connection refused" 
>
>
>backround information:
>localhost 192.168.1.1
>email server 192.168.1.2
>
>
>I get connection refused when I try any of the following commands
>
>telnet localhost 110
>telnet 192.168.1.1 110 
>
>The only one that works is telnet 192.168.1.2 110
>
>
>The command to configure port forwarding:
>iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 110 -j
>DNAT --to-destination 192.168.1.2
>
>
>
>
>
>The output from iptagbles -L -t -nat 
>
>DNAT       tcp  --  anywhere             anywhere           tcp dpt:pop3
>to:192.168.1.2 
>
>
>I have also looked at tcpdump but there are no headers that come across
>the interface when I get an access denied, so it seems the kernel might
>be stopping it before it gets on the wire.  
>
>
>
>
>Jim
>
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