How do I forward IP Adresses?
I am having big problems trying to forward all traffic coming in from an EXTERNAL IP address to an INTERANAL IP address.
I have a number of external IP addresses. I neen some of these IP addresses to be map to machine on my LAN. Is it possable? I want to be able it use NetMeeting from six computers on the LAN. The others need access to the internet. I am using IP masquerading to able internet address though one other my IP addresses.
I will be greate full of any help.
Well, I don't know how to map and IP to a different machine, but I think you could forward the ports you need for netmeeting to work. As for internet access, you just need to set the DNS and gateway addresses to a machine that IS connected to the internet and setup a IPCHAINS rule to forward outbound traffic. I don't know the exact command for that but you could probably check the HOW-TO's and find it. It's not too difficult.
I have tried to using port forwarding using this command:
while [ $port -le 65535 ]
/usr/sbin/ipmasqadm portfw -a -P tcp -L $EXTERNAL $port -R $LOCALIP $port
However, it takes too long. Is there an easier way to enable port forwarding on all these ports or the whole IP address?
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