title: Several special IP connect to server with ssh
body: <p>I want Several special IP connect to my server with ssh and block any another ip</p>
  
  <p>what do you think about solve this question؟</p>
  
  <p>i have centos 7</p>
  
  <p>firewall is CSF</p>
  
  <p>I use cpanel &amp; whm</p>