this post was submitted on 17 Jul 2025
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[–] Kissaki@programming.dev 11 points 1 week ago* (last edited 1 week ago) (2 children)

Apps like AdGuard for Windows or macOS work at the system level, so they block ads and trackers across all browsers and even other apps.

How? What does "system level" mean? Sounds like it must be not only system level but manipulating programs?

/edit: Product page and FAQ are non-telling. Finally found the knowledge base which is not linked in the main nav.

They man-in-the-middle HTTPS for example. So yeah, more intrusive than what I would understand as "system level" behavior.

How does HTTPS filtering work? If it were easy, HTTPS wouldn’t be that secure.

Uhm, yeah.

[–] kadup@lemmy.world 5 points 1 week ago (3 children)

AdGuard is just a rebrand of a shady Russian advertising company. They were never trusted.

Then they revamped their website and created a lot of astroturfing accounts on Reddit. It was super obvious too, the most basic kind of SEO possible and a bunch of random usernames recently created defending AdGuard on every thread.

Sure let's trust those guys with a root certificate in your devices! Sounds safe!

[–] Showroom7561@lemmy.ca 2 points 1 week ago

AdGuard has been around for a very long time.

Have there been any actual concerns come up involving their service, which run locally (unless you're using their DNS)?

[–] Lumisal@lemmy.world 2 points 1 week ago (1 children)

Source?

Also, what about Blokada?

[–] Kissaki@programming.dev 2 points 1 week ago

I've looked into it a little bit after their comment. The company is registered in Cyprus. Not much more official or verifiable info I could find. Their developers seem to be in Russia. For me that was enough to look for alternatives.

I looked for German ones in particular because I'm from Germany, and https://dnsforge.de/ has one with ad blocking and DNS over HTTPS (necessary for Windows which has no choice of DNS over TCP).

[–] JackbyDev@programming.dev 1 points 1 week ago

The only thing I use them for is their public DNS which blocks some ads because I'm too lazy to set up a pihole.

[–] xtools@programming.dev 1 points 1 week ago (1 children)

doesn't it just work on the DNS level? I've also seen apps creating a local vpn to manage traffic

[–] Kissaki@programming.dev 1 points 1 week ago

They host a public DNS you can use.

They also offer DNS with more configuration. And then they also offer this app, which does more.