Hello All   I have Meraki cloud controller and I add SSD for staff in my company and I configure everything I need.   This network allow staff to use Whatsapp only and they can send and recieved Text but for media is not allow (Pictures and videos)   I make Firewall policy to block everything and I allow three ports for whatsapp (5222 , 5223 , 3478) so I need to allow media for whatsapp only and not open for others apps.   Thanks in advance .....   ... View more