# Access control
        
           clients => [
              # Accept the following addresses as clients
              { mask => '^999\.999\.999\.999', accept => 1 }, ## Sun Solaris box
              { mask => '^999\.999\.999\.9',   accept => 1 }, ## my office computer
              { mask => '^99\.99\.99\.99',     accept => 1 }, ## my home computer
              # Deny anyone else
              { mask => '.*',                 accept => 0 }
           ]
        }