For that you have to follow below steps:
- Login to cpanel.
- Click on “File Manager” under “Files” section.
- Now click on “public_html” directory and then click on “Setting” icon upper right corner.
- Check the checkbox “Show hidden files” option and click on save.
- Now you can view the .htaccess file, right click on it and click on “edit”.
- You can add the below lines in your .htaccess file to block IP address.
Order Denny, Allow Deny from 192.000.000.000
- This will block the particular IP address and you can also add multiple IP address.