Examples of using the .htaccess file for working with links on an Apache web server. These lines should be added to the .htaccess file located in the root directory of the site.

Note the presence of the following line at the beginning:

RewriteEngine On

1. Blocking a link by match

RewriteCond %{THE_REQUEST} /path/link [NC]
RewriteRule ^ - [F]

2. Blocking a link by match (example 2)

RewriteCond %{THE_REQUEST} /link.html [NC]
RewriteRule ^ - [F]

3. Blocking a link for everyone except allowed IP addresses

RewriteCond %{REQUEST_URI} ^/admin.php
RewriteCond %{REMOTE_ADDR} !=79.xxx.71.xx
RewriteCond %{REMOTE_ADDR} !=10.0.0.3
RewriteRule ^(.*)$ - [R=403,L]

4. Blocking a dynamic link with a parameter, except for an allowed IP

RewriteCond %{QUERY_STRING} ^do=pm$ [NC]
RewriteCond %{REMOTE_ADDR} =11.22.33.44
RewriteRule ^index\.php$ - [F]

5. Redirecting a link to another section of the site

Redirect 301 /login http://domain.tld