Hi @samgbuyi    This url falls under the category of "Streaming Media".   I see the following Options.   Security & SD-WAN >Content Filtering > Blocked website categories > Streaming Media or Security & SD-WAN >Content Filtering > Blocked URL patterns > o2tvseries.com or Security & SD-WAN > Firewall > Layer 7 Firewall rules >  Deny HTTP hostname > o2tvseries.com   You may test the above settings and apply the desired ones.   This can be applied globally or we may create a group policy  (Network-wide > Group Policies) and apply to the respective client.   If you have already created a "Group Policy" and applied it on devices. Please cross check the "MAC Address" + Applied "Policy" on the device under Network-wide > Clients.   ... View more