If you are frustrated by some users or you want to disallow there access to your website then you can block such users by there IP Address. Just change the ip address shown below and copy paste to your .htaccess file.
order allow,deny deny from 22.214.171.124 deny from 012.34.5. allow from all
You can deny access based upon IP address or an IP block. The above blocks access to the site from 126.96.36.199, and from any subÂ Â under the IP block 012.34.5. (012.34.5.1, 012.34.5.2, 012.34.5.3, etc.)Â