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Re: [Openvpn-users] Using one machine both as server and client


  • Subject: Re: [Openvpn-users] Using one machine both as server and client
  • From: Klaus Thielking-Riechert <klaus.thielking-riechert@xxxxxxxxxx>
  • Date: Tue, 1 Aug 2006 17:31:03 +0200

Sunny,

On Tue, Aug 01, 2006 at 10:10:29AM -0500, Sunny wrote:

> Do I need to run 2 instances of openvpn? Do I have to use different
> tun devices?

Yes, you have:

 - if your are using  "mode p2p" using on your existing setup, you must
   add a second config as this mode allows only one (!) connection at a
   time.

 - if you are already using "mode server" your current firewall might be
   a client (just think of the "remote ..." option). In this mode your
   process can be either the client or the server!

> Also, can I use one and the same server key for both firewalls? What
> about the client certificates (I have client cert. for me to connect
> to production firewall).

Yes, if you are using preshared keys (or secrets) this will be
technically OK. But if you are using thesen keys on all your configs you
might get a problem if this key is compromised. 

I would suggest you to use certificates with one cert per client. 

Best regards,

   Klaus

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