On 6/24/2014 10:48 AM, Gerhard Wiesinger wrote:
> Hello,
> 
> I've the following configuration:
> Internet <=> Host with fixed IP <=> OpenVPN Tunnel <=> Firewall Host 
> with dynamic IP <=> DMZ
> 
> Firewall Host with dynamic IP isn't the gateway.
> 
> I've configured:
> 1.) "Host with fixed IP" a DNAT forward into the OpenVPN Tunnel (OK):
> SMTP(DNAT)      net             vpndmz:192.168.x.y
> SMTP(DNAT)      $FW             vpndmz:192.168.x.y
> 2.) "Firewall Host with dynamic IP" forward into the DMZ again:
> SMTP(DNAT)      vpndmz          dmz:192.168.x.y
> 
> Everything works fine except the shorewall rules on "Firewall Host with 
> dynamic IP".
> 
> Packets go from "Firewall Host with dynamic IP" to DMZ, responses from 
> DMZ go back to "Firewall Host with dynamic IP" but then they are not 
> routed into the OpenVPN Tunnel back again but to the default gateway 
> (which is of course not working).
> 
> I read already http://shorewall.net/MultiISP.html, 
> http://shorewall.net/PacketMarking.html and 
> http://shorewall.net/manpages/shorewall-route_rules.html and some other 
> sites but I still didn't get a working version.
> 
> What's the recommended way?
> Via mangle?
> Via multiple providers

Multiple providers. Review my recent email exchange with Michael Kress
who had a similar configuration.

-Tom
-- 
Tom Eastep        \ When I die, I want to go like my Grandfather who
Shoreline,         \ died peacefully in his sleep. Not screaming like
Washington, USA     \ all of the passengers in his car
http://shorewall.net \________________________________________________

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