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How to Change Ports in .Net Applications

#api #webdev #dotnet #csharp

This is a straight forward article of how to change the port of a Dotnet application.

Different ways to change port in a Dotnet application

Using the CLI

dotnet run --urls "http://localhost:5001;https://localhost:5002"
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Using the launchSettings.json file

{ "profiles": { "IIS Express": { "commandName": "IISExpress", "launchBrowser": true, "launchUrl": "swagger", "environmentVariables": { "ASPNETCORE_ENVIRONMENT": "Development" }, "applicationUrl": "https://localhost:5002;http://localhost:5001" }, "WebApplication1": { "commandName": "Project", "launchBrowser": true, "launchUrl": "swagger", "environmentVariables": { "ASPNETCORE_ENVIRONMENT": "Development" }, "applicationUrl": "https://localhost:5002;http://localhost:5001" } } }
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Using the appsettings.json file

{ "Kestrel": { "Endpoints": { "Http": { "Url": "http://localhost:5001" }, "HttpsInlineCertFile": { "Url": "https://localhost:5002", "Certificate": { "Path": "localhost.pfx", "Password": "password" } } } } }
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Using app.Run()

 app.Run("http://localhost:5001"); app.Run("https://localhost:5002");
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Using the UseUrls() method

public static IWebHostBuilder CreateWebHostBuilder(string[] args) => WebHost.CreateDefaultBuilder(args) .UseUrls("http://localhost:5001", "https://localhost:5002") .UseStartup<Startup>();
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