Potential improvements for certificate validation #4
Description
TLS-ALPN-01
http://nginx.org/en/docs/stream/ngx_stream_ssl_preread_module.html
https://community.letsencrypt.org/t/so-how-are-we-bringing-tls-alpn-to-the-masses/63824/6
might be faster. Does not allow wildcard validation, only DNS-01 does.
on the fly certificate validation
https://github.com/fffonion/lua-resty-acme
pure lua/ffi solution, well maintained