在CentOS 7 配置 Apache HTTP Server 将 http 自动跳转为 https

[root@CentOS~]# vim /etc/httpd/conf/httpd.conf

<Directory "/var/www">
    AllowOverride None
    # Allow open access:
    Require all granted
</Directory>

<Directory "/var/www">
    AllowOverride None
    # Allow open access:
    Require all granted

RewriteEngine on
RewriteCond "%{SERVER_PORT}" !^443$
RewriteRule "^/?(.*)" "https://%{SERVER_NAME}%{REQUEST_URI}" [L,R,NE]

</Directory>

1. RewriteEngine on：
   开启重写
2. RewriteCond "%{SERVER_PORT}" !^443$：
   端口不是443（%{SERVER_PORT}：访问的端口）
3. RewriteRule "^/?(.*)" "https://%{SERVER_NAME}%{REQUEST_URI}" [L,R,NE]：
   重定向到https（%{SERVER_NAME}%：访问的域名，%{REQUEST_URI}：请求的URI）