Is there a way to block everything and allow whitelisted domains only?
PS: I can achieve it by supplying a null-DNS to pihole & adding followings to 01-pihole.conf ( but not through UI )
To allow google & twitter but block everything else.
server=/google.com/good-DNS
server=/twitter.com/good-DNS
Regards,
Another method - which is supported through the web interface - is adding a regex filter that will match anything, maybe as simple as
*
and then selectively whitelist the domains you want, also though the UI.
Cool - the regex should be ".*" to block-all; but how to whitelist *.google.com & *.twitter.com
Don't want to manage all deeper level of domains in whitelist like api.twitter.com
In Pi-Hole (current version pre-V5) you cannot whitelist wildcards. Only exact domains can be whitelisted.
The reason for this is that whitelisting a domain makes it "gravity proof". When gravity is updated, a list of domains is created from your subscribed blocklists. These are sorted, duplicates removed, and then all the domains in your whitelist are removed from gravity.
Since gravity is a list of single domains, the whitelist is the same.
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