Web Development

Reduce Comment Spam With htaccess


Comment spam is a problem with many blogs, one of the biggest is spam bots crawling sites and automatically submitting comments to your site. The below code snippet will check the HTTP_REFERER on the wp-comments-post.php, it will make sure that you can only get to this page if you are on the current domain.

Below is a snippet you can use on your .htaccess to help reduce the amount of spam coming through on your comments page on your WordPress blog.

Just add the following into your htaccess file to reduce spammers.

<IfModule mod_rewrite.c> 
RewriteEngine On 
RewriteCond %{REQUEST_URI} .wp-comments-post.php* 
RewriteCond %{HTTP_REFERER} !.*yourdomainname.* [OR] 
RewriteCond %{HTTP_USER_AGENT} ^$ 
RewriteRule (.*) ^http://%{REMOTE_ADDR}/$ [R=301,L] 

This snippet will check the the URL coming to the wp-comments-post.php file is from your own domain.

Back to top

Gain access to all tutorials

  • Premium tutorials covering WordPress, Laravel and VueJS
  • Download premium content
  • Download premium WordPress plugins
  • Only $5 a month

Join Paulund


  1. SOFT SUNRISE says:

    i hv a custom site how can i block user not to spam with htacess

    1. Paul says:

      Adding the above code to your htaccess should help. If not then try this tutorial https://paulund.co.uk/no-comment-spam