Am Freitag, 20. Juni 2014 schrieb Tom Eastep:
> On 6/19/2014 2:47 PM, Dr. Harry Knitter wrote:
> > Dear list members,
> > 
> > 
> > I'm really frustated about not being able to get a Debiand Wheezy machine
> > routing packets from the internal network to the external interface.
> > 
> > The machine has two nics eth0 (internal) and eth1 (external), the latte
> > pointing to a dsl-router.
> > 
> > The internal net is 192.168.0.0/24 the external, consisting only oft the
> > external nic and the dsl-router is 192.168.120.0/24
> > 
> > I have swichted on IP-forwarding in /etc/sysctrl.conf and in
> > shorewall.conf.
> > 
> > My configuration files are:
> > 
> > <interfaces>
> > ext eth1    detect
> > int eth0    detect
> > </interfaces>
> > 
> > 
> > <zones>
> > firew       firewall
> > ext ipv4
> > int ipv4
> > </zones>
> > 
> > <masq>
> > eth0        eth1
> > eth1        eth0
> > </masq>
> > 
> > Since having tried almost everything I only have a policy file which (for
> > the moment) leaves everything open.
> > 
> > <policy>
> > all all     ACCEPT  info
> > </policy>
> > 
> > I cannot ping the external interface from an internal client.
> 
> Then the internal client probably has the wrong default gateway. It
> should be set to the IP address of the firewall's LAN interface. This
> and other hints are available in Shorewall FAQ 15.
> 
> -Tom

Having thought about my problem over night, I got the same Idea.
I have to prove this today. Since the machine is not here in my house I have 
to test it today.

Hanks for your answer

Harry


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