[nflug] Port forwarding

Richard Hubbard hubbardr at adelphia.net
Sat Dec 23 20:30:14 EST 2006


http://www.shorewall.net/
Not being factitious, but unless you have oodles of time/experience, 
straight configuration of iptables is a beast.  Better to use something 
like shorewall.  It doesn't replace iptables, but rather writes 
configuration scripts for iptables.  Put this together with 
webmin(http://www.webmin.com) and you have a powerful, relatively easy 
setup for all of your firewalling needs, including masquerading, port 
forwarding, etc...

Mark T. Valites wrote:
> On Sat, 23 Dec 2006, robert wrote:
>
>> I would like to set up port forwarding on my network per the 
>> instructions on the following page:
>>
>> http://www.linux.com/howtos/IP-Masquerade-HOWTO/forwarders.shtml
>>
>> However, I cannot seem to locate the file /etc/rc.d/rc.firewall-* as 
>> indicated in the instructions.  I am running the latest Debian 
>> 'stable' and my Debian box (a Sun U5) is set to the DMZ to take care 
>> of all incoming traffic.  I basically want to have it redirect 
>> traffic from certain ports (such as 24554, 23, etc) to my Windoze box 
>> while leaving the services that the Debian box available to the world.
>
> /etc/rc.d doesn't exist in Debian. Look at the following two files:
>
> /etc/init.d/iptables
> /etc/default/iptables
> ------------------------------------------------------------------------
>
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