1825538 - Unable to find Proxy server with network.trr.mode 3 and VPN

Status: VERIFIED FIXED

(Core :: Networking: DNS, defect, P1)

Description

[Rares Doghi, Desktop QA]

Found in

• 113.0a1 (2023-03-30)

Affected versions

• Beta 112.0b7
• Release 111.0.1

Affected platforms

• ALL

Steps to reproduce

1. Set Network.trr.mode to 3 in about:config.
2. Install the nordvpn addon and connect to US.
3. Reach any website.

Expected result

• Users should be able to reach the page ?

Actual result

• The Unable to find Proxy server error page is returned with Strict Network.trr mode and VPN

Regression range
Not Applicable

Comment 1

[Kershaw Chang [:kershaw]]

I think the problem here is that TRRServiceChannel doesn't support HTTP authentication, so we can't connect to the proxy server sucesfully.

Comment 2

[Kershaw Chang [:kershaw]]

Attachment: Bug 1825538 - Retry TRR request on on main thread when proxy connection failed, r=#necko

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/21d639a82b72
Retry TRR request on on main thread when proxy connection failed, r=necko-reviewers,valentin

Comment 4

[Noemi Erli[:noemi_erli]]

https://hg.mozilla.org/mozilla-central/rev/21d639a82b72

Comment 5

[BugBot [:suhaib / :marco/ :calixte]]

The patch landed in nightly and beta is affected.
:kershaw, is this bug important enough to require an uplift?

• If yes, please nominate the patch for beta approval.
• If no, please set status-firefox113 to wontfix.

For more information, please visit BugBot documentation.

Comment 6

[Rares Doghi, Desktop QA]

This issue is verified as fixed in our latest Nightly build 114.0a1 (2023-05-03).

Comment 7

[Rares Doghi, Desktop QA]

Not sure why it updated the previous flags.

Comment 8

[Rares Doghi, Desktop QA]

Updating the main status flag as well.