Block WhatsApp with "Layer 7" or "Content" or "TLS" - MikroTik Script RouterOS
How to Block WhatsApp with "Layer 7" or "Content" or "TLS"

Block WhatsApp With "Layer-7"

/ip firewall layer7-protocol
add name=WhatsApp regexp="^.+(whatsapp.com).*\$"
/ip firewall filter
add action=drop chain=forward layer7-protocol=WhatsApp

Block WhatsApp With "Content"

/ip firewall filter
add action=drop chain=forward content="whatsapp.com" 
add action=drop chain=forward content=".whatsapp."

Block WhatsApp With "TLS"

/ip firewall filter
add action=drop chain=forward protocol=tcp tls-host="whatsapp.com"
add action=drop chain=forward protocol=tcp tls-host="*.whatsapp.*"