How to Whitelist/Allow IP Address using .htaccess File Ubuntu?

 Allow IP Address in .htaccess

Example 1: Allow One IP Address:

simply create .htaccess file in your root directory and add following code on it.

.htaccess

order deny,allow
deny from all
allow from 111.111.111.111

Example 2: Allow Multiple IP Addresses:
simply create .htaccess file in your root directory and add following code on it.
.htaccess
order deny,allow
deny from all
allow from 111.111.111.111 111.111.111.112 111.111.111.113

Deny IP Address in .htaccess
Example 1: Block One IP Address:
simply create .htaccess file in your root directory and add following code on it.
.htaccess
deny from 111.111.111.111

Example 2: Block Multiple IP Addresses:
simply create .htaccess file in your root directory and add following code on it.

.htaccess

deny from 111.111.111.111 111.111.111.112 111.111.111.113