This is something that I'm trying to understand also. I'm using AdGuard 3.0 on iOS with AdGuard DNS-over-TLS and content filtering for Safari. If I add a blocking rule to the user filter, will that block it system-wide (i.e. via DNS) or only in Safari?Not available. In Version 3.2. there will be a DNS white/blacklist.
Meanwhile you can add the sites to user filter like this: