TRR: Check for Proxy on Windows to use platform DNS
Categories
(Core :: Networking: DNS, enhancement, P1)
Tracking
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| Tracking | Status | |
|---|---|---|
| firefox72 | --- | fixed |
People
(Reporter: grover, Assigned: valentin)
References
Details
(Whiteboard: [necko-triaged][trr][necko-2019q4])
Attachments
(2 files)
example reg key structure
We have gotten information that app-based DNS should not be used in some cases, for example when a proxy is in use.
If any keys exist under the following paths…
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters\DnsConnections
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters\DnsActiveIfs
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters\DnsConnectionsProxies
THEN YOU…
- MUST USE platform DNS at least for domain names matching these keys
- Check the “Host” value of the key for matching domain pattern
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Comment 1•5 years ago
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Taking and making P1 (for 71 cycle) at Nhi's request.
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Comment 2•5 years ago
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Comment 3•5 years ago
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I don't understand this bug. I read the title as "if there is a proxy set in the system, do not use TRR". That setting is under `HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable (DWORD 0 or 1). I have found zero documentation for the keys form comment 0, so hard to say what is the intent.
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Comment 7•5 years ago
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Updated•5 years ago
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Updated•5 years ago
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Comment 8•5 years ago
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Setting a proxy via windows settings sets registry keys at: Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings (Proxy Server and Proxy Enabled).
I'm not sure how to trigger the keys from comment 0.
Removing the ni? and switching the qe-verify to - for now. Will get back when additional information/steps are provided.
Description
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