Mikrotik Scripts

Block Website except

/ip proxy access
add dst-host=www.yahoo.com action=allow
add dst-host=yahoo.com action=allow
add dst-address=0.0.0.0/0 action deny

Transparent Proxy Setting

ip firewall nat add in-interface=ether1 dst-port=80 protocol=tcp action=redirect to-ports=8080 chain=dstnat 
ip proxy set enabled=yes port=8080