Linux SSL/port issues #388

New Issue

claunia · 2026-01-29T16:38:18Z

claunia commented

2026-01-29 16:38:18 +00:00

Originally created by @esperpinion on GitHub (Oct 8, 2019).

Originally assigned to: @GregorBiswanger on GitHub.

Version: CLI 5.22.14.0 API 5.22.14

Core 3.0, Node.js v10.16.0

Target: Linux (Ubuntu v16)

Hi. I'm having issues running Blazor + ElectronNET app on Linux. The Windows build works fine.
We're also running additional API that is accessed through simple full uri requests.

Ubuntu console outputs:
stdout: warn: Microsoft.AspNetCore.HttpsPolicy.HttpsRedirectionMiddleware[3] Failed to determine the https port for redirect.
right after BridgeConnector connected.

In app, the problem is UI not being updated after any changes. API responds as being accessed fine.

The above happens only on Ubuntu, while on Windows everything is fine.

Currently our API is accessed through http protocol, Blazor UI is too. Only Electron Socket is https.
Trying to open electron socket in browser gives SSL error.

I've tried adding to StartupConfigure

app.UseCertificateForwarding();
app.UseForwardedHeaders();

or removing

app.UseHsts();
...
app.UseHttpsRedirection();

But the problem remains.
Is it possible to switch electron to http protocol or allow unsafe connection (possible in electronjs)?

Thank you.

Originally created by @esperpinion on GitHub (Oct 8, 2019). Originally assigned to: @GregorBiswanger on GitHub.    * **Version**: CLI 5.22.14.0 API 5.22.14  Core 3.0, Node.js v10.16.0  * **Target**: Linux (Ubuntu v16)   Hi. I'm having issues running Blazor + ElectronNET app on Linux. The Windows build works fine. We're also running additional API that is accessed through simple full uri requests. Ubuntu console outputs: `stdout: warn: Microsoft.AspNetCore.HttpsPolicy.HttpsRedirectionMiddleware[3] Failed to determine the https port for redirect.` right after BridgeConnector connected. In app, the problem is UI not being updated after any changes. API responds as being accessed fine. The above happens only on Ubuntu, while on Windows everything is fine. Currently our API is accessed through http protocol, Blazor UI is too. Only Electron Socket is https. Trying to open electron socket in browser gives SSL error. I've tried adding to StartupConfigure ``` app.UseCertificateForwarding(); app.UseForwardedHeaders(); ``` or removing ``` app.UseHsts(); ... app.UseHttpsRedirection(); ``` But the problem remains. Is it possible to switch electron to http protocol or allow unsafe connection (possible in electronjs)? Thank you.

claunia added the bug label 2026-01-29 16:38:18 +00:00

claunia closed this issue

2026-01-29 16:38:19 +00:00

claunia commented

2026-01-29 16:38:19 +00:00

@GregorBiswanger commented on GitHub (May 10, 2020):

https://www.thesslstore.com/blog/how-to-make-ssl-certificates-play-nice-with-asp-net-core/

@GregorBiswanger commented on GitHub (May 10, 2020): https://www.thesslstore.com/blog/how-to-make-ssl-certificates-play-nice-with-asp-net-core/

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Reference: starred/Electron.NET#388