Network traffic encoding/decoding boxes

Hello,

I need something like network traffic encoding/decoding boxes, the situation would be as follows:

one computer --- encoding/decoding box --- (here goes unsecure line with routers/switches) --- encoding/decoding box --- second computer

I think linux boxes can do this. Maybe there is software that does this? What can you recommend for this task.
besideAsked:
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pjedmondCommented:
If you've not done this type of thing before freeswan is probably fgoing to be fairly tricky!

I personally recommend openVPN for this type of thing as it is much easier iMHO to set up:

http://openvpn.net/

The howto is good:

http://openvpn.net/howto.html

and as well as providing a bridge (as you've detailed above, it can be configured for individual computers (laptops or 'road-warriors') to connect usign a fairly simple client for windows.

Over all, I consider it to be easier to work with than any of the other VPN solutions (IMHO).....

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harbor235Commented:
How about a router utilizing a IPSEC VPN or try freeswan for Linux to Linux encryption. This way you can encrypt communications
between your systems.

www.freeswan.org


harbor235 ;}
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besideAuthor Commented:
I have already thought about using VPN between two encoding/decoding boxes, but I would like more instructions to do my task for example using freeswan to make such configuration:

10.0.0.1 (client1) - (e/d box with freeswan) - (e/d box with freeswan) - 10.0.0.2 (client2)

in other words, I would like that client1 and client2 would work as in usual network and encoding/decoding boxes would be simply transparent.
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pjedmondCommented:
Instructions specifically for a bridge:

http://openvpn.net/bridge.html
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