RewriteEngine on
RewriteCond %{HTTP_REFERER} !^http://(www\.)?domain [NC]
RewriteCond %{HTTP_REFERER} !^http://(www\.)?domain.*$ [NC]
RewriteRule \.(jpg|jpeg|png|gif)$ - [F][NC][F] flags 使用請參考
https://httpd.apache.org/docs/2.4/rewrite/flags.html
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{DOCUMENT_ROOT}/$1.html -f
RewriteRule (.+)/$ $1.html [L]
RewriteCond %{THE_REQUEST} \.html\s
RewriteRule (.+)\.html$ /$1/ [R=301,L]https://webmasters.stackexchange.com/questions/133746/how-to-remove-all-html-extensions-from-all-pages-of-site-running-under-apache
https://httpd.apache.org/docs/2.4/mod/mod_rewrite.html