https://learn.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.server.kestrel.core.kestrelserverlimits.maxconcurrentupgradedconnections?view=aspnetcore-10.0
KestrelServerLimits.MaxConcurrentUpgradedConnections Property...
Gets or sets the maximum number of open, upgraded connections. When set to null, the number of upgraded connections is unlimited. An upgraded connection is one...
property