[strongSwan] How to use letsencrypt certificate in swanctl?

[Derek Cameron]

I got StrongSwan working with Let’s Encrypt. It’s a good idea, since it
makes the client work with no extra software or certificates to install.
Here’s my documentation of the method I used:
https://dc77312.wordpress.com/2019/02/01/strongswan-with-lets-encrypt-ssl-certificate-for-server/

Derek.

On Fri, Feb 1, 2019 at 5:40 AM, Glen Huang <heyhgl at gmail.com> wrote:

> I’m trying to use the certificate generated by letsencrypt for my ikev2
> vpn, and I use swanctl.conf
>
> I copied either cert.pem or fullchain.pem to swanctl/x509 as cert.pem, and
> specify certs.pem to local.certs. When starting charon, it fails with
>
> loading ‘/path/to/cert.pem’ failed: parsing X509 certificate failed
>
> It seems swanctl doesn’t directly support the certificate generated
> by letsencrypt? Is it possible to convert manually?
>
> Another quick question, if I name the pem file as mydomain.com.pem, charon
> fails with invalid syntax for certs, and it also fails with the same reason
> if I put it in a subfolder in x509 and specify mydomain.com/cert.pem to
> certs. Does that main cert file shouldn’t contain more than two dots in the
> file name? And subfolder isn’t supported?
>
> Thanks a lot.
>
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