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I have made a web app using Blazor and now i want to host in my server with a free .ml domain. But service-worker.js not running without a secure connection. It is a free domain so i don't want to pay for a certificate.

Use SSL option in the project property is unchecked in all projects. I couldn't find any information about this online. Can i force to use http ?

Thanks

SSL Error

Doğukan Çabalar
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2 Answers2

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As far as I know, Service worker requires https except the localhost to work. Both the third-party certificate and the self-signed certificate is ok as long as we established the certificate trust relationship between the client-side and the server-side properly(for exchanging the public key of certificate).
https://developers.google.com/web/fundamentals/primers/service-workers/
For free SSL certificate,
https://geekflare.com/free-ssl-tls-certificate/
For self-signed certificate,
https://learn.microsoft.com/en-us/powershell/module/pkiclient/new-selfsignedcertificate?view=win10-ps
Here is an example of using a self-signed certificate.
Can you use a service worker with a self-signed certificate?
Feel free to let me know if there is anything I can help with.

Abraham Qian
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To use HTTP in a Blazor app, in Program.cs remove UseHsts() and UseHttpsRedirection() if present:

if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Error");
    // The default HSTS value is 30 days. You may want to change this for 
    production scenarios, see https://aka.ms/aspnetcore-hsts.
    // app.UseHsts();
}

//app.UseHttpsRedirection();

In launchSettings.json make sure there is only an HTTP URL:

"profiles": {
    "Dashboard": {
    "commandName": "Project",
    "dotnetRunMessages": true,
    "launchBrowser": true,
    "applicationUrl": "http://10.72.11.110:5238",
    "environmentVariables": {
    "ASPNETCORE_ENVIRONMENT": "Development"
    }
},
CharlieZ
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