DNS over HTTPS: things to consider when you go “private”

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What it means for privacy, security, and parental controls, and whether there’s a way to have them all. The term “DNS over HTTPS (DoH)” has been hitting the headlines in the past month: Google announced its general availability in June, and in July, Mozilla was nominated for “2019 Internet Villains” by the UK Internet Services […]

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Source: blog.synology.com

 

[Rusty]

Guess we are waiting for SRM 1.2.3

 

[Shadow]

But they won't intruduce this feature in the DNS package on DSM? I run DNS on my NAS'es instead of my routers..

 

[Telos]

It's great for malware... buries its DNS calls in https. For me, I use DNS over TLS. Seems sufficient.

 

[jono]

I hadn't heard of 'DNS over HTTPS' before.

I'm using AdGuard on my Synology via Docker, and my router (RT2600ac) now has 1.2.3 installed.

Does anyone know if enabling DNS over HTTPS on my router could cause problems when also run with AdGaurd? (Or vice versa)

 

[Rusty]

I hadn't heard of 'DNS over HTTPS' before.

I'm using AdGuard on my Synology via Docker, and my router (RT2600ac) now has 1.2.3 installed.

Does anyone know if enabling DNS over HTTPS on my router could cause problems when also run with AdGaurd? (Or vice versa)

It won't. I have the same setup and there is no problem. ADGuard runs on DoH already anyways

 

[jono]

Ah, good to know. Thanks.

ADGuard runs on DoH already anyways

If that's the case then would there be any benefit in enabling it? (If AdGuard is already running on DoH)

 

[Rusty]

well if your entire lan is running via adguard, then no.

 

[jono]

Yeah, it does. Thanks for clarifying that

 

[horizonbrave]

I use DNS over TLS. Seems sufficient

Hi, please how do you achieve that?

 

[Telos]

Hi, please how do you achieve that?

2 ways... via Asus router using Merlin firmware, or using Simple DNSCrypt on individual Windows PCs.

 

[horizonbrave]

well if your entire lan is running via adguard, then no.

Correct! Apparently if DoH is enabled the DNS values in Internet settings will be ignored (see this reddit post).
Thanks

 

[cloverleaf]

do I understand correctly, that if I use it, then instead of my provider, it will be google who will know all my browsing history?

 

[itsjasper]

Not if you choose Cloudflare. ;-)

 

[crkinard]

Don't use DoH.

Use DoT.

 

[itsjasper]

Don't use DoH.

Use DoT.

Care to provide any reasoning for this?

its amusing how some people are getting worked up about this. If folk are pointing upstream to Google DNS, be that DOH or not, then Google already will have their browsing history.

Thats why I chose to trust Cloudflare (with DoH) over the folks at Mountain View.

Alternatively roll your own DNS server and point it to root servers. Less snooping, less protection, but no-one but you collecting your DNS request logs.

 

[horizonbrave]

Correct! Apparently if DoH is enabled the DNS values in Internet settings will be ignored (see this reddit post).
Thanks

Oh gosh how distracted I am!
Not sure if it showed before but when you enable DOH there's a warning message that the DNS will change (please see pic attached)

 

[horizonbrave]

Should we please consider somehow link (or move perhaps) this thread into the Router section?
I think it may interest more people
Thanks

 

[horizonbrave]

Care to provide any reasoning for this?

Today I bumped into this article, maybe he/she was just referring to one of those points (interesting reading for the ignorant me by the way).

 

[itsjasper]

The article seems to make two points:

1) For enterprises DoH is bad because it reduces monitoring visibility and makes control harder
2) It's not a magic bullet for security / anonymity

...well 'Duh' to both those points. but for the average home / SoHo user, the former isn't relevant, and the latter should be obvious, as there aren't any magic bullets where security is concerned - it's a constantly evolving battleground.

Making Requests - Cloudflare Resolver is the better article. I also notice that CloudFlare's DoH resolver supports DoT.

Definitely agree that DoT is a better solution than DoH, but only the latter is currently doable in SRM.