RewriteEngine On # Allow example.com domain RewriteCond %{HTTP_REFERER} !^https?://(www\.)?example\.com [NC] # Log blocked requests RewriteRule .* - [L,R=403] # Custom log format for blocked requests LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" blocked_requests CustomLog "/path/to/your/logs/blocked_requests.log" blocked_requests