htaccess to block any request with referer set

Question

This question is not the same as How to Block Spam Referrers like darodar.com from Accessing Website? as that question hightlight on how to block a specific referer.

This question is about to block any request with Referer set and give them a 404 error.

Answer 1

RewriteCond %{HTTP_REFERER} .
RewriteRule .* - [F]

Hope that helps.

Answer 2

Try in htaccess:

RewriteEngine On
RewriteCond %{HTTP_REFERER} ^https?://(www\.)?example.com [NC]
RewriteRule ^ - [R=404,L]

The example above returns a 404 not found error for all referers from http://www.example.com , you can change the example.com string to domain.com your desired domain to block their referer.