Re: home network behind a firewall/router
On Sat, Nov 03, 2007 at 07:46:20PM +0100, P?l Cs?nyi wrote:
>
> I have a Cable Modem connection to my ISP.
>
> my ISP
> |
> Cable Modem connection to my ISP
> |
> PC box-1 firewall/gateway
> =========================
> | |
> LAN DMZ
> | |
> PC box-2 PC box-3
> desktop server
> Debian Etch Debian Etch
>
> I can connect from the PC box-1 to the internet,
> but can't connect from LAN & from DMZ to the internet.
>
> I use shorewall on all boxes, but even when I do
> shorewall clear on all boxes, I still can't to connect to the
> internet from LAN & DMZ.
>
> On the firewall/gateway I have dhcp server which give
> IP addresses to box-2 & box-3.
>
> I set up on both box-2 & box-3 the dhcp client to get the
> domain-name-servers, and have these servers in resolv.conf.
>
> What is missing here to get the connection to the internet
> from LAN & DMZ?
Did you enable packet forwarding on box 1? Is shorewall masquerading
for you? Add IP numbers to your diagram. Test by pinging by IP number
and worry about DNS once IP works.
Doug.
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