Private DNS doesn't apply to devices connected through hotspot? (lemmy.world)

submitted 1 year ago by [email protected] to c/[email protected]

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I've set a specific provider under the Private DNS setting and it works for the direct connection between the phone and the network, but it won't work on the devices that are connected to the hotspot of my phone, they instead fall back onto the default DNS of my ISP.
Is there a way to force that DNS on all the devices connected?

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[-] [email protected] 2 points 1 year ago* (last edited 1 year ago)

Seems like a simple fix, just manually set the DNS servers on devices that connect to your hotspot

[-] [email protected] 1 points 1 year ago

I wish it were that simple, but that's sadly not really a solution in every case, I'd have to set up that DNS for every device that connects to it first, even those that aren't mine

[-] [email protected] 2 points 11 months ago

If a device isn't yours, wouldn't it be the device owner's responsibility to maintain their own privacy?

[-] [email protected] 2 points 11 months ago* (last edited 11 months ago)

This is about network policy, my device working as the DHCP server has to impart the devices that connect to it with their IP, gateway and DNS, it isn't necessarily about individual user privacy. In my case it is more for my own privacy/security, I don't want others to send DNS requests to my ISP because I trust the filters on my DNS of choice more.
Of course, if they really wanted, they could still set their own DNS on their device, but this is meant for those that don't even think about it

[-] [email protected] 2 points 11 months ago

Now I get it

I know that if you have a VPN running, there's a setting "Allow clients to use VPNs". You might be able to install WireGuard and set up a connection with no peers, but still set what DNS server you want to use, then allow clients to use the VPN, which might give the clients the VPN's DNS settings

[-] [email protected] 0 points 11 months ago

So I should try with this Wireguard app?

[-] [email protected] 2 points 11 months ago

This is the one I use

[-] [email protected] 1 points 11 months ago

Ok, thank you! I'll try to figure out how to use it

[-] [email protected] 2 points 1 year ago

I wonder if it's an issue only with recent Android versions, because when I looked this up I didn't see any article/forum complaining about this at all

[-] [email protected] 3 points 1 year ago* (last edited 1 year ago)

I'm not familiar with this one and also haven't been able to pull anything up.

[-] [email protected] 2 points 1 year ago

Yeah, it's really weird tbh.
Do you know where else I could post this? Maybe on stack exchange Android Enthusiasts or Super User?

[-] [email protected] 4 points 1 year ago

Shot in the dark, but it might be worth trying in the /r/android Telegram?

https://t.me/+1NN0EVuXK3sxMTQ0

[-] [email protected] 1 points 1 year ago* (last edited 1 year ago)

Ok thanks, I'll try that!

[-] [email protected] 0 points 11 months ago

Unfortunately, Android does not natively support applying the Private DNS settings to devices connected via hotspot. When you set a Private DNS on your Android device, it only applies to the network connections of the device itself, not to devices connected to its hotspot.

The devices connected to your hotspot will typically use the DNS server provided by the ISP of the hotspot device, and not the DNS server that you've manually set on the Android device.

If you want to force a specific DNS for all devices connected to your hotspot, you would typically need to manually set the DNS on each device connected to the hotspot, which can be cumbersome.

Another way around this would be to use a VPN service on your Android device that allows for custom DNS settings. Some VPN services will apply these DNS settings to all traffic going through the VPN, including devices connected to the hotspot.

Please note that the above information is based on the current state of Android and could change in future updates. Always make sure to check the most recent and updated information.

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this post was submitted on 18 Jul 2023

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