On Mon, 2004-03-01 at 13:29, 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.  
---
how about...

echo "1" > /proc/sys/net/ipv4/ip_forward

Craig

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