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Has anyone had experience with Freeswan?<br><br>We have a situation where say there is a Linux machine in City 1 with IP address 10.0.0.10 (for example)<br>and a Linux machine in City 2 with an IP address of 10.0.0.20 (for example). Now these machines are<br>in different cities, so machine 1 cannot just open a socket on 10.0.0.20 because machine 2 is on a different<br>network. Each machine does have a router, say City 1 is 65.15.47.28 (for example). To get into City 1from<br>outside the network you go through thr router, use 65.15.47.28 which routes into the LAN. The same for<br>City 2. For a unix process on 10.0.0.10 to send to 10.0.0.20 it would have to send to 65.15.47.28 which would route<br>it in. Problem is, its from address would be 10.0.0.10, which the machine at 10.0.0.20 wouldn't know about.<br>A process on 10.0.0.20 would have to do something similar to respond.<br><br>Now these machines have to actually be able to use each others' 10.0.0.X addresses. I assume this is possible<br>via a VPN. They don't have any Cicsco VPNs or anything, and they asked whether it is possible just using<br>Linux (CentOS) to set up a VPN. I did a bit of searching and found a couple things. Freeswan seemed to be<br>the most promising, though other packages could be just as good.<br><br>Is the above scenario possible with Freeswan or can you recommend some other way?<br><br><br>Thanks<br>
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