my apologies for the long screenshot. i had purchased adguard’s vpn service for five years since its primary adguard service is well know in the iapple ecosystem.

on android, though, their app appears to send data to a lot of third-parties. has it always been this compromised? am i a fool to go for their vpn services as well?

  • viking@infosec.pub
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    8 months ago

    How exactly are you using the duckduckgo app protection and a vpn simultaneously? DDG sets itself up as a local vpn to be able to track outgoing traffic, and Android doesn’t support concurrent connections. Or is that what adguard does in the background while not active?

    • ohwhatfollyisman@lemmy.worldOP
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      8 months ago

      would you have done this with the ad guard vpn deactivated but the app still running in the background?

      I’ve been using the app for a few montha now and it’s only today that it got flagged in the DDG report. it’s not shown up before.

      • N0x0n@lemmy.ml
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        8 months ago

        Hey I gave it a second try with another tool: PCAPdroid and I’m not sure what I’m looking at … Adguard VPN seems effectively to send a lot of traffic to strange DNS requests…

        Just by opening the app and loggin in a fake account I got over 200 requests…

        I’m not an expert but those requests seem sketchy !!!

        • LWD
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          8 months ago

          So at this point you’re still not connecting the VPN or anything? This is just after you log in?

          • N0x0n@lemmy.ml
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            8 months ago

            Yes :) just after I login ! PCAPdroid doesn’t allow a VPN connection.

            • Syn_Attck@lemmy.today
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              8 months ago

              PCAPdroid doesn’t allow a VPN connection.

              Could that be why the TCP status on those requests is Closed?

        • Syn_Attck@lemmy.today
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          8 months ago

          Edit: I’m remembering that some VPN services use users devices as a server of their own, proxying connections for other users on another service. I don’t know what’s going on here, but if you don’t have Tiktok and Snapchat both installed then I’d say that’s likely what’s going on. I’ve never used AdGuatd, there are much better VPN services.

          I’m gonna say you have Tiktok and Snapchat installed on your phone? The rest of those are just random services (CDNs, ads, analytics, bug reporting, etc) that background apps (some are from Tiktok and Snapchat, but tons of apps use the same ones) are connecting to.

          Set up NextDNS on your phone without any VPN running and odds are you’ll see the same.

  • LWD
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    8 months ago

    Selling? Probably not.

    But I used NetGuard to see specific requests that the AdGuard VPN app made. Then I downloaded AdGuard VPN and opened it. Without even logging in, it pinged:

    • dns.google
    • dns.alidns.com (Alibaba)
    • 2400:3200:baba::1 (Alibaba again)
    • cloudflare-dns.com

    I don’t know why it feels the need to ping so many DNS servers before you even type a username, but it does.

  • Pantherina@feddit.de
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    8 months ago

    You are using that Duckduckgo thing which is not a reliable source of information.

    I would be interested in what a “tracking attempt” would look like.

    Your VPN sees EVERYTHING you connect to, if you use HTTPS that is not a big deal but can help target stuff to your usage.

    If it is tracking or just traffic passthrough is decided on their servers, which no weird Duckduckgo app can access.

    • ohwhatfollyisman@lemmy.worldOP
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      8 months ago

      i get what you’re saying, but the vpn was inactive when the app sent these requests. DDG was active at the time and using the VPN slot.

      so it isn’t the vpn functionality, per se, of the app that’s doing anything here.

      • Pantherina@feddit.de
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        8 months ago

        Thanks, I think it is very relevant to understand how this DDG VPN “tracker blocking” works.

        If it is about an app sending requests to lots of domains, this may have many reasons. For example it could check the IP addresses of all these tracking serverers to block apps from communicating with them via IP and not URLs.

        This would be a reason that a trusted app connects to tracking servers to update their internal filterlist.

        This “known to collect” seems to be unrelated to the actual connection, just “this service often collects data about x”.

        If this is true, that is HIGHLY misleading and please update your post to explain that possibility.

          • Pantherina@feddit.de
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            8 months ago

            You need to contact them, if they connect to known to-be-blocked sites to get their IPs.

            Googerteller does this:

            Note: Find it ironic or not, but to query the list of all Google IPs/subnets, this needs to contact one Google domain, actually. (That request does not emit a sound, though.)

            And I would ask DDG how their “tracker blocker” works and if it would also block such requests.0

  • ƊƲƘЄƬӇƠƦƖƠƝ@lemmy.one
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    8 months ago

    The VPN isn’t generating the requests. Other apps on your device are. Run a VPN for a while and look at data usage by app. I guarantee your VPN app will be the highest (all the other apps data gets funneled through the VPN).

    • ohwhatfollyisman@lemmy.worldOP
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      8 months ago

      the vpn wasn’t connected at the time these requests were sent. that’s how DDG captures these requests, by using the vpn slot itself. these requasts were sent by the adguard app in the background when it was deactivated.

      the data sent to third-party ttrackers had nothing to do with the vpn functionality or of other apps funneling their data through it.

      this observation has also been corroborated by another user using other means elsewhere in the comments. do give it a dekko, too.

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    8 months ago

    Use F-Droid apps. Since most Google store apps contain trackers. Then use ClassyShark to check trackers.

  • N0x0n@lemmy.ml
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    8 months ago

    From what I see, your screenshot tells what adguardVPN blocked. Each app shown in adguardVPN seems to send a lot of things.

    Maybe time to switch to alternatives if you are concerned about telemetry and personal data?

    My bad, see answer below !

    • viking@infosec.pub
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      8 months ago

      No that’s the duckduckgo app which is blocking outgoing connection attempts from adguard.

      What I don’t know is whether those are actual connection requests of adguard, or whether they came from any other apps and were routed through the VPN and that’s why they ended up on this list.

      I’m not quite sure how the duckduckgo app actually works to track/block those requests.

      Edit: https://duckduckgo.com/duckduckgo-help-pages/p-app-tracking-protection/what-is-app-tracking-protection/

      • noodlejetski
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        8 months ago

        DuckDuckGo uses the VPN slot to work, so if they’re using it to block trackers, they can’t be simultaneously using an actual VPN.

        • viking@infosec.pub
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          8 months ago

          Yep, exactly my thoughts after reading how it works. Actually installed DDG as well to double check, and as expected I can’t run it simultaneously to my VPN.

          • ohwhatfollyisman@lemmy.worldOP
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            8 months ago

            you are correct. activating one switches off the other. but the adguard vpn app still runs in the background even with its own vpn deactivated – and that’s when these requests were caughtin DDG’s net.

      • N0x0n@lemmy.ml
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        8 months ago

        Ohh yeah my bad! Haven’t seen the DDG notice. It’s not obvious and OP doesn’t give much info.

        But I REALLY doubt this is AdgaurdVPN sending all those request, this would be a real concern for a lot of people and other VPNs would already have jumped on the “Adguard” is bad train.

        AdguardVPN seems effectively to send a lot of sketchy dns request…

        • ohwhatfollyisman@lemmy.worldOP
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          8 months ago

          it’s DDG that’s active, and which has filtered out these tracking requests sent by the adguard vpn android app (with its own vpn inactive) in the background.

  • bloodfart@lemmy.ml
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    8 months ago

    Are there any nonmalicoius reasons why adguard would be dialing into ad servers? My first thought it that you gotta know who the advertisers are to block em, but I’m not familiar with adguard as a vpn or a browser side blocker.

    • suppenloeffel@feddit.de
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      8 months ago

      This is something I’ve not understood yet. If you rent a server somewhere to use as a private VPN endpoint, your clear IP will be pretty much the only one connecting to the server. Correlating your traffic and your clear IP to your masked IP is easy for sufficiently motivated, able actors.

      Meanwhile, the main benefit of a shared VPN such as Mullvad is that many users simultaneously use the same endpoint, making it much harder to identify the user (taking only IP and traffic into account), provided they don’t log your traffic.

      So while having control over your endpoint is nice, how does that actually contribute anything meaningful to your privacy?

      • Possibly linux@lemmy.zip
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        8 months ago

        Mullvad knows exactly who is connecting, when they are connecting and where they are located. If you have payment information on file they also know your name and your credit card.

        They can claim to somehow be “log free” but you can’t trust one who says they are going to not do something. Even if they aren’t abusing your data someone could of compromised them. Its not a good idea to place trust where you don’t have control.

        • suppenloeffel@feddit.de
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          8 months ago

          Mullvad certifiably doesn’t log. Their VPN infrastructure even transitioned to RAM-only a few months back. They’ve been raided by the police and nothing was confiscated because there was nothing to confiscate. Obviously they have a list of registered accounts and payments, but without any connection to - well, connections.

          I get what you mean though and mostly agree: There are only a few providers I trust enough to shift said trust from the ISP to them.

          As mentioned in the comment you replied to: Yes, trusting a third party is a compromise. But you are also trusting a third party when renting a server for a private VPN endpoint, as well. A third party provider with probably a lot more logging going on than a trusted service such as Mullvad. While being way more exposed.

          Since TOR isn’t feasible for most users 24/7, trusted commercial VPNs are the next best thing when the alternative is your ISP logging everything you do.

          • Possibly linux@lemmy.zip
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            8 months ago

            I disagree. You don’t control Mullvad VPN so you don’t control how the servers work. There is nothing Mullvad can do to change a fundamental property of the internet. They are no worse or better than your ISP. You shouldn’t use device provided by your ISP and using a VPN gives a company insight and sometimes control of your machine. You should use your own device on your own network. From there setup encrypted DNS and lock down your network.

            • suppenloeffel@feddit.de
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              8 months ago

              What? So your advice for improving privacy is to not use a VPN, because the provider may log stuff and instead keep accessing stuff directly through your ISP who will log everything you do and simply use DNS over HTTPS/TLS, which does pretty much nothing for your privacy since your ISP still sees the servers you connect to?

              That’s terrible advice.

  • trippingonthewire@lemmy.ml
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    8 months ago

    Any possibility that these are apps or sites that you use while using that VPN? And maybe DDG is also blocking it? I don’t use any of that stuff so I’m just taking a guess.

    • ohwhatfollyisman@lemmy.worldOP
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      8 months ago

      i can see where you’re going with this but, no, these are not sites that i’ve visited. for example, my country has its own amazon domain and verizon does not operate where i live.

      nope, this is all the adguard vpn android app on its own.

  • BoisZoi@lemmy.ml
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    8 months ago

    Users like this is exactly why you don’t need a VPN; you clearly have no understanding of how they work.

    • ohwhatfollyisman@lemmy.worldOP
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      8 months ago

      thanks for the feedback. i would be happy to hear what I’m presuming incorrectly here. always willing to learn and gain an understanding of how things do work.

      • Waltzy@feddit.uk
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        8 months ago

        Not op ( that guy was being intolerably rude ) but I’m not surprised that ddg is reporting that a vpn app is sending all these requests, the very nature of a VPN app is to capture and proxy all your traffic, so it will end up proxy all the tracking requests on your system. These likely came from a browser ( any site with an Amazon button for example will likely show as an amazing tracking hit )

        In short, your VP is likely not selling your data.

        • ohwhatfollyisman@lemmy.worldOP
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          8 months ago

          i get what you’re saying, but the vpn was inactive when the app sent these requests. DDG was active at the time and using the VPN slot.

          so it isn’t the vpn functionality, per se, of the app that’s doing anything here.

      • Possibly linux@lemmy.zip
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        8 months ago

        The problem with a VPN is that it isn’t a technology that’s designed to be private. It actually mainly was used for companies until recently.

        When you use your VPN you are tunneling your traffic to someone else’s servers. They can see the same data your ISP can. Hopefully everything you do is encrypted but that is a discussion for another day. The point is that a VPN companies servers are no more trustworthy than the rest of the internet. You can’t control anything that leaves your device. That’s not how the internet was designed and it can’t be changed no matter how many claims a VPN company may make. Someone somewhere will always see you connect to the internet. At the end of the day you give up some privacy in exchange for your ability to use the internet.

        In a nutshell, VPNs are mostly just snake oil

        • ohwhatfollyisman@lemmy.worldOP
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          8 months ago

          all good info. and all agreed. but the issue in this post isn’t the vpn functionality.

          it’s what the adguard android app does in the background when the vpn, itself, is disconnected. that’s when these rogue requests were sent.