Can I use the Letsencrypt cert with the OpenVPN server?

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hilfubsi

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Posts: 43
Karma: 2

Can I use the Letsencrypt cert with the OpenVPN server?

« on: February 17, 2018, 07:46:02 pm »

I would like to setup an OpenVPN server on my OPNsense so I can encrypt my connection when using public WiFis.

I also have Letsencrypt setup with the os-acme-client plugin.

Can I use Letsencrypt for my OpenVPN server certificate? It seems the only option is to self-sign the OpenVPN certificate in the wizard.

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elektroinside

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Posts: 574
Karma: 51

Re: Can I use the Letsencrypt cert with the OpenVPN server?

« Reply #1 on: February 17, 2018, 08:32:03 pm »

Theoretically, it might be possible, but you don't want to do that. You'll be better off with your own CA and sign your own certs.

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fabian

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OPNsense Contributor (Language, VPN, Proxy, etc.)

Re: Can I use the Letsencrypt cert with the OpenVPN server?

« Reply #2 on: February 17, 2018, 09:11:33 pm »

Yes and No - Let's Encrypt has in my opinion no client certificates which is a problem however in case of password authentication it would work.
The problem is that I see no advantage since OpenVPN does not rely on a preinstalled certificates.

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