WHITELISTING IS THE PRACTICE OF EXPLICITLY ALLOWING SOME IDENTIFIED ENTITIES ACCESS TO A PARTICULAR PRIVILEGE, SERVICE, MOBILITY, ACCESS OR RECOGNITION.  

BLACKLISTING IS THE REVERSE OF WHITELISTING. IT IS A LIST OF PEOPLE OR THINGS THAT ARE REGARDED AS UNACCEPTABLE OR UNTRUSTWORTHY AND SHOULD BE EXCLUDED OR AVOIDED. 

YOU CAN PUT YOUR USERS IN WHITELIST AND BLACKLIST ACCORDINGLY.  

IN PEOPLE SECTION,  GO TO MORE  > SCREENED LIST > ADD NEW

A WINDOW WILL OPEN,    

- FIRST YOU NEED TO SELECT THE VENUE

- SECOND YOU NEED TO SELECT THE ACTION (i.e. WHETHER YOU WANT TO WHITELIST OR BLACKLIST THE USER)

- PROVIDE MAC ADDRESS

(IN CASE OF WHITELIST, YOU CAN ALSO SET DOWNLOAD AND UPLOAD SPEED)

CLICK ON THE SUBMIT BUTTON.