Let's Encrypt - 免费 HTTPS

不管用哪一个 Web Server,

都要在防火壁打开端口 80 / 8080 和 443 / 8443

路由器 (router modem) 也要做 Port Forward 端口转向

Apache
http://jasonmun.blogspot.my/2017/01/https-lets-encrypt.html

Nginx
http://jasonmun.blogspot.my/2017/01/lets-encrypt-nginx-https.html

Lighttpd
http://jasonmun.blogspot.my/2017/01/lets-encrypt-lighttpd-https.html

Tomcat
http://jasonmun.blogspot.my/2017/01/lets-encrypt-tomcat-https.html

IIS
http://jasonmun.blogspot.my/2017/01/lets-encrypt-iis-https.html