Apache HTTP→HTTPS 리다이렉트 (vhosts)

현재 Host 유지하며 HTTPS로

RewriteEngine on
RewriteCond %{HTTPS} !=on
RewriteRule ^(.*)$ https://%{HTTP_HOST}$1 [R,L]

고정 URL로

RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule .* https://www.example.com/ [R,L]