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Re: [K12OSN] ip forwarding



You want to do "port forwarding" rather than "ip forwarding".

http://www.tldp.org/HOWTO/IP-Masquerade-HOWTO/forwarders.html

-Eric


On Fri, 19 Apr 2002, Julius Szelagiewicz wrote:

>Paul,
>	going in is precisely what i need to do. Say, i have a server with
>puplic address of 216.n.m.210 sitting on my internal (firewalled) network
>and it runs terminals on 192.168.0.0 network. I need to be able to access
>a device at 192.168.0.xxx from 216.n.m.xxx. this machine knows how to
>acess the 192.168.0 network: route add net 192.168.0 216.n.m.210 1 takes
>care of that. now i need the server to pass the packets in (and out). i
>need to be able to ping 192.168.0.xxx from 216.n.m.xxx. For the time
>being, no joy. the echo 1 > /proc/sys/net/ipv4/ip_forwarding changes
>value, but the ping still doesn't go through. thanks, julius
>
>On Thu, 18 Apr 2002, Paul Nelson wrote:
>> Wait a minute guys...
>>
>> He wants to go from the outside TO the inside. That's a different question.
>> IS that what you're trying to do Julius?
>>
>> If so then I'm not sure how to do that. Perhaps some special routing tables
>> in your firewall... Sounds like a good stumper for the list!
>>
>> If you just want to make sure that all private ip based machines on your
>> K12LTSP network are able to go OUT then make sure that /etc/rc.d/init.d/nat
>> is on:  "/etc/rc.d/init.d/nat start"
>>
>> ;-) Paul
>>
>> > Dear Listers,
>> > silly question: how do I enable ip forwarding in the k12os server?
>> > i need to be able to get to a device on private side from the public side.
>> > i didn't even think about it, since this is default on the unices i work
>> > with. julius
>





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