The pic below shows what I am trying to accomplish. I still want to leave my in-laws network separate from my network and still would like to leave the Symantec Gateway (not absolutley nescessary) in place. I do want to remove the linksys router and route my lan traffic through ASG(eth0) and have ASG send the VPN, SMTP, OWA, RWW traffic to the WAN side of the SBS server through a 3rd NIC (eth2).
So the questions I really need to answer are:
a. What do I have to do to forward my VPN, OWA, RWW, and SMTP traffic from ASG(eth1) to eth2 which contects to WAN of SBS? The WAN ASG is eth1 and eth2 connects to WAN of SBS. ( I know ASG doesnt' do port forwarding like many home use routers so I assume I have to create some DNAT and SNAT rules but am unsure. Also I know that I will still have to forward the traffic from the symantec gateway but now to ASG)
b. I want ASG to filter Web traffic, SPAM, etc to both my internal network and SBS server. Is there anything else I should be aware of to accomplish this?
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