[HttpsConnectionMiddleware](https://github.com/dotnet/aspnetcore/blob/8d4b843782b89ea5e387a87823c41b28425e0b97/src/Servers/Kestrel/Core/src/Middleware/HttpsConnectionMiddleware.cs#L32) carefully considers a [handshake timeout](https://github.com/dotnet/aspnetcore/blob/8d4b843782b89ea5e387a87823c41b28425e0b97/src/Servers/Kestrel/Core/src/Middleware/HttpsConnectionMiddleware.cs#L32). New [TlsListenerMiddleware](https://github.com/dotnet/aspnetcore/blob/8d4b843782b89ea5e387a87823c41b28425e0b97/src/Servers/Kestrel/Core/src/Middleware/TlsListenerMiddleware.cs#L10) does not use it, and in case of a configured timeout request will not be cancelled