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A comment on I guess I have to watch ads everywhere on my $1,500 LG TV now. Parent comment

Re:I guess I have to watch ads everywhere on my $1,500 LG TV... by Daho0n on Wednesday March 10, 2021 @09:42PM (#26419552)
This doesn't always work. Some devices use a hardcoded DNS IP. Like Chromecast. Luckily LG doesn't do this.
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Re:I guess I have to watch ads everywhere on my $1,500 LG TV... by adriancr on Thursday March 11, 2021 @05:40AM (#26422537)
Just block anything going out on port 53 outside the network and keep a dns sever on the network. (useful to block known tls dns servers like cloudflares 1.1.1.1 as well)

That is sufficient for samsung from my experience. (it does try 8.8.8.8 on its own if my ad blocking server rejects requests)

It still doesn't know DNS-over-TLS but if I start seeing ads I'll disconnect it entirely.

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