Restrict Access Via .htaccess

Restrict access by IP address:

Allow a single IP address

order deny,allow
deny from all
allow from 160.178.187.1

Deny a single IP address

order deny,allow
allow from all
deny from 160.178.187.1

Restrict access by domain name:

order deny,allow
allow from all
deny from anonymous.com

Restrict access by domain name and IP address:

order deny,allow
allow from all
deny from anonymous.com
deny from 160.178.187.1