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@nivhg
Description
Describe the problem
The proxy settings configured in the Arduino IDE preferences are not being used for certain operations.
In our environment, proxy is mandatory for HTTPS connection. Our firewall replaces certificates with a false certificate when the proxy is not used.
🐛 Arduino IDE is not using the firewall for installations of boards platforms. This causes the installation to fail.
To reproduce
- Install Arduino IDE on a environment where proxy is mandatory.
- Use Boards Manager to install any boards platform (e.g., "Arduino megaAVR Boards").
🐛 The installation fails.
Expected behavior
Packages needed by the board are successfully downloaded.
Arduino IDE version
2.3.7-nightly-20250911
Operating system
Windows
Operating system version
11 24H2
Additional context
I have this proxy configuration in %USERPROFILE%\.arduinoIDE\arduino-cli.yaml:
network: proxy: http://172.21.178.254:3128/ user_agent_ext: daemon
The complete file:
I see certificate errors in the logs:
2025年09月11日 10:54:17 Checking for update
2025年09月11日 10:54:17 Error: Error: net::ERR_CERT_AUTHORITY_INVALID
at SimpleURLLoaderWrapper.<anonymous> (node:electron/js2c/browser_init:2:114352)
at SimpleURLLoaderWrapper.emit (node:events:519:28)
2025年09月11日 10:54:17 2025年09月11日T08:54:17.703Z root INFO [hosted-plugin: 4656] PLUGIN_HOST(4656): PluginManagerExtImpl/loadPlugin(C:\Users\user\AppData\Local\Programs\arduino-ide\resources\app\plugins\vscode-builtin-json-language-features\extension\client\dist\node\jsonClientMain)
2025年09月11日 10:54:17 2025年09月11日T08:54:17.938Z root INFO [hosted-plugin: 4656] PLUGIN_HOST(4656): PluginManagerExtImpl/loadPlugin(C:\Users\user\AppData\Local\Programs\arduino-ide\resources\app\plugins\vscode-arduino-api\extension\dist\extension.js)
2025年09月11日 10:54:17 2025年09月11日T08:54:17.947Z root INFO [hosted-plugin: 4656] calling activation function on Arduino IDE API for VS Code extensions
2025年09月11日 10:54:17 2025年09月11日T08:54:17.983Z root INFO [43dd9994-0848-4fb6-b9cc-d97597fb5de0] Starting plugins.
2025年09月11日 10:54:18 2025年09月11日T08:54:18.340Z root INFO [hosted-plugin: 4656] PLUGIN_HOST(4656): PluginManagerExtImpl/loadPlugin(C:\Users\user\AppData\Local\Programs\arduino-ide\resources\app\plugins\cortex-debug\extension\dist\extension.js)
2025年09月11日 10:54:18 2025年09月11日T08:54:18.429Z root INFO [hosted-plugin: 4656] Debug configuration provider has been registered: cortex-debug, trigger: 1
2025年09月11日 10:54:18 2025年09月11日T08:54:18.430Z root INFO [hosted-plugin: 4656] calling activation function on Cortex-Debug
2025年09月11日 10:54:18 2025年09月11日T08:54:18.441Z root INFO [hosted-plugin: 4656] GDB server console created
2025年09月11日 10:54:18 2025年09月11日T08:54:18.478Z root INFO [43dd9994-0848-4fb6-b9cc-d97597fb5de0] Start of 23 plugins: 2196.2 ms [Finished 8.555 s after frontend start]
2025年09月11日 10:54:18 2025年09月11日T08:54:18.941Z root ERROR ---- !!!SLOW!!! DURATION: search took 1472.752 ms. Args: [{"type":"Updatable"}] ----
2025年09月11日 10:54:18 2025年09月11日T08:54:18.942Z fwuploader ERROR Error: Process exited with exit code: 1
at ChildProcess.<anonymous> (C:\Users\user\AppData\Local\Programs\arduino-ide\resources\app\lib\backend\main.js:2:1104768)
at ChildProcess.emit (node:events:519:28)
at ChildProcess._handle.onexit (node:internal/child_process:294:12)
2025年09月11日 10:54:18 2025年09月11日T08:54:18.943Z fwuploader ERROR Error: Process exited with exit code: 1
at ChildProcess.<anonymous> (C:\Users\user\AppData\Local\Programs\arduino-ide\resources\app\lib\backend\main.js:2:1104768)
at ChildProcess.emit (node:events:519:28)
at ChildProcess._handle.onexit (node:internal/child_process:294:12)
Full logs:
When using Arduino IDE 2.1.0, Arduino IDE says that Arduino CLI is offline, but it does manage to install the boards platforms.
Additional reports
Related
Issue checklist
- I searched for previous reports in the issue tracker
- I verified the problem still occurs when using the latest nightly build
- My report contains all necessary details