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Blocked Services - not working for Whatsapp/Facebook/Youtube etc. apps #1045

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opened 2026-03-04 01:01:53 -05:00 by deekerman · 4 comments

deekerman commented

2026-03-04 01:01:53 -05:00

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Originally created by @almostserious on GitHub (Oct 25, 2019).

Originally assigned to: @szolin on GitHub.

Problem/Motivation
When i block the services of Facebook, Whatsapp, Instagram, Youtube the apps on Android Phone still work fine.
The Websites are blocked, but the apps somehow circumvent this.

Expected behavior
If i block Netflix, the Netflix App does not work anymore. I would expect the same also for the other apps. Is there a way to make this work? Do i need to enable a specific setting for them?

Originally created by @almostserious on GitHub (Oct 25, 2019). Originally assigned to: @szolin on GitHub. Problem/Motivation When i block the services of Facebook, Whatsapp, Instagram, Youtube the apps on Android Phone still work fine. The Websites are blocked, but the apps somehow circumvent this. Expected behavior If i block Netflix, the Netflix App does not work anymore. I would expect the same also for the other apps. Is there a way to make this work? Do i need to enable a specific setting for them?

deekerman

2026-03-04 01:01:53 -05:00

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deekerman commented

2026-03-04 01:01:58 -05:00

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@ameshkov commented on GitHub (Oct 31, 2019):

@szolin please check this on some Android mobile. I suspect that these apps might be switching to some fallback DNS when they encounter an NXDOMAIN response. Maybe we should switch blocking_mode default value to null_ip if so.

@ameshkov commented on GitHub (Oct 31, 2019): @szolin please check this on some Android mobile. I suspect that these apps might be switching to some fallback DNS when they encounter an NXDOMAIN response. Maybe we should switch `blocking_mode` default value to `null_ip` if so.

deekerman commented

2026-03-04 01:02:00 -05:00

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@Snapy commented on GitHub (Oct 31, 2019):

@ameshkov Indeed they use Google DNS (8.8.8.8 and 8.8.4.4) as fallback. Can confirm seeing some udp requests in AG for Android log.

@Snapy commented on GitHub (Oct 31, 2019): @ameshkov Indeed they use Google DNS (8.8.8.8 and 8.8.4.4) as fallback. Can confirm seeing some udp requests in AG for Android log.

deekerman commented

2026-03-04 01:02:00 -05:00

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@szolin commented on GitHub (Nov 6, 2019):

youtube app uses youtubei.googleapis.com. If we block it, the app stops working.
whatsapp uses a sophisticated algorithm and it evades blocking anyway.
instagram and facebook are blocked correctly.

@szolin commented on GitHub (Nov 6, 2019): * youtube app uses `youtubei.googleapis.com`. If we block it, the app stops working. * whatsapp uses a sophisticated algorithm and it evades blocking anyway. * instagram and facebook are blocked correctly.

deekerman commented

2026-03-04 01:02:00 -05:00

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@ghost commented on GitHub (Jun 24, 2020):

* youtube app uses `youtubei.googleapis.com`.  If we block it, the app stops working.

* whatsapp uses a sophisticated algorithm and it evades blocking anyway.

* instagram and facebook are blocked correctly.

sorry for replying but shouldnt the youtube also be blocked on the mobile by blocking the domain u said if we turn on youtube blocking? Also the facebook also works on android now even when it is on :(
edit: Nevermind XD its working now after update

@ghost commented on GitHub (Jun 24, 2020): > > > * youtube app uses `youtubei.googleapis.com`. If we block it, the app stops working. > > * whatsapp uses a sophisticated algorithm and it evades blocking anyway. > > * instagram and facebook are blocked correctly. sorry for replying but shouldnt the youtube also be blocked on the mobile by blocking the domain u said if we turn on youtube blocking? Also the facebook also works on android now even when it is on :( edit: Nevermind XD its working now after update

deekerman referenced this issue

2026-03-04 01:05:45 -05:00

Add content blocking proxy settings #1136

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starred/AdGuardHome#1045

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