enable DOH/DOT

[Zhang, Yajie (Kathy)]

Hi, 

I'm an developer. My project runs in a docker.

In my node js script. We use puppeteer to lanch chrome.

I want to enable DOH/DOT.

I have tried 

 /usr/bin/google-chrome --no-sandbox --disable-gpu --headless=new --dns-resolver-type=secure --dns-server-addresses=https://cloudflare-dns.com:443/dns-query --enable-features=DnsOverHttps --disable-dev-shm-usage --user-data-dir=/usr/testlog/chrome-doh-tmp --virtual-time-budget=15000 --dump-dom https://1.1.1.1/help 2>/dev/null | grep -E "Using DNS over HTTPS \(DoH\)"

 But it doesn't take effect.

Can you help me about this issue? How to enable doh/dot ?

Thanks a lot!

[PhistucK]

I thought DNS server addresses are supposed to be IP addresses (otherwise they would need a DNS to resolve them... Right?), whereas you used https://cloudflare-dns.com:443/dns-query - is that intentional?

I was also confused by the page you were trying to load, but I realise it redirects to a non-IP-address URL, so that should be fine.

(Also, Copilot says headless Chrome does not support those flags, but I have not verified...)

☆PhistucK

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[Matt Menke]

DoH servers are actually different - we'll look up their IP using the system DNS resolver, and hostnames let them use certs for hostnames, rather than IPs. I don't know about configuring from the command line, so can't help there, unfortunately.

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