[1] Introducing Universal SSL (2/21/2015, 6:12:11 AM 版) <https://blog.cloudflare.com/introducing-universal-ssl/>

[2] Free SNI SSL and affordable one-click SSL | CloudFlare | The web performance & security company (2/21/2015, 6:15:42 AM 版) <https://www.cloudflare.com/ssl>