Signal r https site running problem

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C#

I Have configured my website to https and signal r its gives me error like :

Protocol error: Unknown transport.

and url ::https://localhost:44301/[^]

What I have tried:

public void Configuration(IAppBuilder app){app.MapSignalR("", new HubConfiguration()); ConfigureAuth(app);}
public void Configuration(IAppBuilder app){app.MapSignalR(); ConfigureAuth(app);}
public void Configuration(IAppBuilder app){app.MapSignalR("/signalr", new HubConfiguration());ConfigureAuth(app);}