Re: TCP/IP Port Relay

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On Thu, 2008-04-24 at 17:27 +0300, Vahur Jõesalu wrote:
> hmm, if I understood you correctly, then this should work just fine (on 
> linux firewall):
> 
> /sbin/iptables -t nat -I PREROUTING -p tcp --dport 23 -j DNAT \
> --to telnetserverip:port-number
> /sbin/iptables -I FORWARD -i external_interface -o internal_interface \ 
> -p tcp -d telnetserverip --dport portnumberontelnetserver -j ACCEPT
> 
> after a reboot or firewall service restart it's gone again.
> 
> -vahur

Sorry to jump in on someone else's thread, but... How do you do this if
the interface you want to use is a virtual? Meaning it's eth0:1 for
example? The -i parameter will not let you use that. 

Thanks,
James

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