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[.NET Core] asp.net Core 3.1 command line to start the dynamic listening port

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Posted on 2021-1-23 12:03:44 | | | |
When doing distributed applications, we need to start the same application multiple times, which may cause port occupancy, how can we dynamically modify the ports listened to by asp.net core applications through the command line?

introduction

When doing distributed applications, we need to start the same application multiple times, which may cause port occupancy, how can we dynamically modify the ports listened to by asp.net core applications through the command line?

initiate

asp.net core 3.1 project, the Kestrel web server is used by default.

Kestrel is a cross-platform web server for ASP.NET Core. Kestrel is a web server that is included by default in the ASP.NET Core project template.

Kestrel supports the following scenarios:

  • HTTPS
  • Opaque upgrades to enable WebSockets
  • Unix sockets for getting the high performance of Nginx
  • HTTP/2 (except macOS†)


The hyperlink login is visible.

Kestrel provides the --urls command line argument.





View via browser:

http://127.0.0.1:8089/WeatherForecast



To modify the Program file:

If you do not specify the urls parameter, the default listening port of the project is 1250, as shown in the figure below:




(End)




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