Vibe.d error

[WebFreak001]

On Wednesday, 18 August 2021 at 19:51:00 UTC, JG wrote:
> Hi,
>
> We are intermittently getting the following error:
> Accept TLS connection: server
> OpenSSL error at ../ssl/record/rec_layer_s3.c:1543: 
> error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert 
> certificate unknown (SSL alert number 46)
> HTTP connection handler has thrown: Accepting SSL tunnel: 
> error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert 
> certificate unknown (336151574)
> Full error: 
> object.Exception@/home/jg/.dub/packages/vibe-d-0.9.3/vibe-d/tls/vibe/stream/openssl.d(578): Accepting SSL tunnel: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown (336151574)
> ----------------
>
> Anyone have any idea what might cause this?

There might be incompatibilities with how openssl is used and the 
installed openssl version or config.

If you are getting this from having https enabled on the server, 
I would recommend instead switching to HTTP-only and using a 
reverse proxy such as with nginx or caddy to serve it with HTTPS.