Block the Sits address with Regex and or ‘IfInString’, and refer to a device / user / IP, edit via the web interface.
Allow or block all Top-Level Domains, using a device / user / IP,edit via the web interface.
Add to the default installation ‘addlists.list’ Blacklist porn site.
For children a children’s whitelist, so only the Whitelist is allowed, and any other website will be blocked.
Sorry for my bad english.