autoProxy=true not creating https / no_proxy variables (as reported in #11551 )

[z3non]

Windows Version

Microsoft Windows [Version 10.0.22631.4602]

WSL Version

2.3.26.0

Are you using WSL 1 or WSL 2?

• WSL 2
• WSL 1

Kernel Version

5.15.167.4-1

Distro Version

No response

Other Software

Repro Steps

1. Configure .wslconf with

[wsl2]
autoProxy=true

2. run wsl

3. check environment variables

Expected Behavior

WSL to configure http and https proxy variables as stated here: WSL Troubleshoot

When enabled, the following apply to proxy settings on your Linux distributions:
The Linux environment variable, HTTP_PROXY, is set to the one or more HTTP proxies found installed in the Windows HTTP proxy configuration.
The Linux environment variable, HTTPS_PROXY, is set to the one or more HTTPS proxies found installed in the Windows HTTP proxy configuration.
The Linux environment variable, NO_PROXY, is set to bypass any HTTP/S proxies found in the Windows configuration targets.
Every environment variable, except WSL_PAC_URL, is set to both lower case and upper case. For example: HTTP_PROXY and http_proxy.

Actual Behavior

Only http_proxy, HTTP_PROXY and WSL_PAC_URL are being created on wsl.

env | grep -i http
http_proxy=http://example.com:3128
HTTP_PROXY=http://example.com:3128
WSL_PAC_URL=http://example.com/wpad.dat

Diagnostic Logs

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View similar issues

Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help us prioritize it!

Open similar issues:

• windows11 wsl2，The WSL_PAC_URL configuration does not take effect (#11998), similarity score: 0.71

Closed similar issues:

• autoProxy=true doesn't work for multiple users via su or ssh (#10820), similarity score: 0.75
• autoProxy seems to be true by default, which conflicts with the documentation (#11055), similarity score: 0.75
• autoProxy=true doesn't works well on WSL2 preview 2.0.3.0 (#10583), similarity score: 0.74
• autoProxy doesn't work with proxy requiring Kerberos / NTLM authentication (#10804), similarity score: 0.71

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[z3non]

/emailed-logs

[github-actions]

Diagnostic information

Found '/emailed-logs', adding tag 'emailed-logs'

[z3non]

previously reported here: #11551

[keith-horton]

Hi there. WinHTTP is not reporting that there's an HTTPS proxy:

63 30348.15140 2025-01-15T16:36:38.257 [Microsoft.Windows.Lxss.Manager] s_GetProxySettingsExCallback-Results: pcwszProxy=http://outproxy2.pnet.ch:3128 pcwszSecureProxy= pcwszAutoconfigUrl=http://wpad.pnet.ch/wpad.dat cProxyBypasses=0
64 30348.07960 2025-01-15T16:36:38.257 [Microsoft.Windows.Lxss.Manager] OnProxyRequestComplete: newProxySettings=Proxy: http://outproxy2.pnet.ch:3128, SecureProxy: , PacUrl: http://wpad.pnet.ch/wpad.dat, ProxyBypasses:

How was the HTTPS proxy set?

good point about WSL_PAC_URL also not being set in lower-case. I forget the Linux rules and appcompat on this variable - we'll take a look.

[keith-horton]

Following up on WSL_PAC_URL:

that's a new environment variable we created with WSL2 - so we did not have compat reasons to create it both lower-case and upper-case. That will always be created as this one string.

[Moritz-Jaekel]

Hello,
we are running into the same issue. In our company network we use a wpad.dat file to set the Proxy for outgoing internet traffic. AutoProxy only fills http_proxy and HTTP_PROXY.
A Fix or workaround to set the https_proxy globally would be greatly appreciated

Thanks.

[keith-horton]

@z3non , can you please capture a full network trace where we can see what WinHTTP is seeing in the pac file?

https://github.com/microsoft/WSL/blob/master/diagnostics/collect-networking-logs.ps1

Thanks!

[z3non]

/emailed-logs

[github-actions]

Diagnostic information

Found '/emailed-logs', adding tag 'emailed-logs'