In wp-admin folder create .htaccess file and drop there next code:
1 2 3 4 5 6 7 8 | AuthUserFile /dev/null AuthGroupFile /dev/null AuthName "Access File" AuthType Basic order deny,allow deny from all #IP white list allow from xxx.xxx.xxx.xxx |
xxx.xxx.xxx.xxx - change to your IP address
Use 'allow from' command code row for so many times for how many IP addresses you allow access
