---
no-loc: [Home, Privacy, Kestrel, appsettings.json, "ASP.NET Core Identity", cookie, Cookie, Blazor, "Blazor Server", "Blazor WebAssembly", "Identity", "Let's Encrypt", Razor, SignalR]
---
> [!WARNING]
> Security warning: Exposing `ConnectionId` can lead to malicious impersonation if the SignalR server or client version is ASP.NET Core 2.2 or earlier.