WEB SOCKET CONFIG 未显示在 AZURE WEB 应用程序中

Question

I am real time app using node and socket.io. And I deploy it to Azure web app, I have researched and find how to enable web socket in azure web app. It is enable 'Web sockets' in Configuration in Azure Portal. But I cannot see 'Web sockets' config.

My question is:

It is error?

Or How I can enable socket in Azure Web App?

Here is image of my configuration:

(it must be have Web Sockets tag)

It must be:

Answer 1

If you have created the Azure Web App in Linux OS, then you'll not get the Option of enabling Web Socket in Platform settings:

If the Azure Web App is created in Windows OS Hosting plan, then the Web Socket option is enabled under the Configuration of App Service > Platform Settings: