@Kevin_Z I've attached screenshots. The MAC address used is the device physical MAC address.

@Kevin_Z Nope it doesn't work. Also on the Access Control > Rule page on the last field "Direction" is selected to OUT and grayed out. I can't change it. Don't know what is it for, but I just can't...

I am trying to restrict access to a website. I've followed the exact steps from your official page such as https://www.tp-link.com/bg/support/faq/1387. I've also tried the youtube tutorial, but...