Disable Admin Username for WordPress (To Make Your Website More Secure)

Keep sharing wordpress tutorials. So far, many websites still use admin as the default user name of the website, which is very detrimental to the security of the website. Just like the password 123456, the admin user name is also very easy to be used by hackers, so【WP-Host/悦然wordpress建站】It is recommended that you do not use the default admin as the user name.

If your current website is using admin as the user name, it is best to log in to the wordpress site building background immediately, then add a new administrator user, set a more complicated user name, and then delete the admin user.

There are also some bad guys who may use tools to scan your wordpress background, and this scanning tool usually uses the admin username to try to log in to the background, which will also affect the website, so we can further ban the admin username.

add_filter( ‘wp_authenticate’, ‘fanly_no_admin_user’ );function
fanly_no_admin_user($user){
if($user == ‘admin’){
exit;    }
}
add_filter(‘sanitize_user’, ‘fanly_sanitize_user_no_admin’,10,3);function fanly_sanitize_user_no_admin($username, $raw_username, $strict){
if($raw_username == ‘admin’ || $username == ‘admin’){
exit;    }
return $username;}

To implement this, open the functions.php file for the current WordPress theme and add the above code to it. Save the changes to make it effective.

Alternatively, you can use the Code Snippets plugin to add the code to your website, which can be more convenient. For instructions on how to download and use the plugin, please refer to the above article.

Tips: If you’re using any other website construction program, it is recommended to avoid using “admin” as the username for better security.