I'm hoping you guys can help out a real noob when it comes to networking [:)]
I want to do a proof of concept at the moment, so I can understand how everything works. I have an ADSL modem/router with DMZ capability, and an Astaro box connected directly to it, nothing else is connected to the internal switch. I want to disable NAT on the modem, and have everything going to the Astaro box so I can do the following:
All packets to a certain IP address go through NAT and end up at a workstation (i.e. browsing the net, etc.).
All packets to x address go to server x.
I have one IP at the moment, but will have a block soon so I can host games, small web sites and so forth. But for now I would just like to enable the NAT part of it so I can see how everything is done, and deal with the rest later on. I'm assuming I'll have to have 2 subnets, one for NAT and the other for the servers - and therefore need 3 NICs. Thats no problem, the problem is I don't know how to set up all the rules [:S]
Also I would like to create a definition called 'Internet' and matches any address that isn't internal. Don't know if thats possible or not, but 0.0.0.0 matches external and internal :\
I hope I've explained everything clearly [:S] Really appreciate any help [:)]
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