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using DoH, how can i do a traceroute from the browser?

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  • Τελευταία απάντηση από jscher2000 - Support Volunteer

myPalabok
myPalabok
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FF 67.0.4

i have enabled DoH, i'm inside company network withour own DNS servers (it resolves to root hints for Internet sites).

how can i tell, when i browse, that FF is now using DoH servers instead of our DNS servers?

FF 67.0.4 i have enabled DoH, i'm inside company network withour own DNS servers (it resolves to root hints for Internet sites). how can i tell, when i browse, that FF is now using DoH servers instead of our DNS servers?

Όλες οι απαντήσεις (3)

philipp
philipp
  • Moderator
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hello, when you enter "about:networking#dns" into the address bar of firefox, the TRR pane should say true for all hostnames resolved through doh...

Hasan
Hasan
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Hi,

I have enabled the DoH feature in my browser with default Cloudflare provider. I am using our company DNS server so far. we don't have any DoH policy for Firefox. But still i found that it is not working. I have tried "about:networking#dns" and found all the values set to false in TRR.

Can someone tell me, why it is not enabled?

Regards Hasan

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 10 Contributor
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Hi Hasan, there are several reasons Firefox might not use DoH in an enterprise environment, such as an explicit policy set by IT or finding a "dns canary" configured when checking regular DNS.

But Firefox might also check for implicit indications. The latest blog post says in the upcoming U.S. rollout, "...our plan is to: ... Respect enterprise configuration and disable DoH unless explicitly enabled by enterprise configuration." I haven't researched exactly what that entails -- a single group policy setting the home page could trigger it? -- or whether it might already be affecting Firefox 69.