I need to know how to block Adult streaming websites. URL filtering through the router settings doesn't work. What else can I try?

[kregwult]

I need to know how to block Adult streaming websites. URL filtering through the router settings doesn't work. What else can I try?

[sderikonja1]

Extreme solution is to resort to whitelisting if environment allows for it, or what @BJ Stahlin​ suggested.

[bruce_stahlin]

You will be chasing your tail. You need a firewall with content filtering, a UTM or NGFW.