Restricting access to certain pages in order to ban a visitor/robot/scraper

You can block access to specific directories for only specific visitors by filtering or blocking their IP addresses or host names.

Actions to be carried out

Examples:

ErrorDocument 403 "Access denied"
Order Allow,Deny
Allow from allDeny from 62.75.221.104 # The IP address to deny
Deny from 192.170.0.2 # To deny access to IP address 192.170.0.2
Deny from 192.170 # to deny access to all IP addresses starting with 192.170

>Allow only certain IP addresses, where xxx.xxx.xxx.xxx are the IP addresses in question:

order deny,allow
deny from all
allow from xxx.xxx.xxx.xxx
allow from xxx.xxx.xxx.xxx
allow from xxx.xxx.xxx.xxx

Block access to the unique IP address 123.45.6.7 and any IP starting with 012.34.5:

order allow,deny
deny from 123.45.6.7
deny from 012.34.5.
allow from all

Use mod_rewrite:

RewriteEngine on
RewriteCond %{REMOTE_ADDR} ^62.75.221.104
RewriteCond %{REMOTE_ADDR} ^62.75.221.[0-9]
RewriteRule .* - [F,L]

You can also use the following code if you wish all visitors to site "domain.xyz" to be redirected to "www.perdu.com" whenever they reference an element from your site:/strong>

RewriteEngine on
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)domaine.xyz(-|.).*$ [NC]
RewriteRule .* http://www.perdu.com/ [R,L]

Also read this FAQ (click here).