https://stackoverflow.com/questions/2142910/whats-the-difference-between-uri-host-and-uri-authority/39415643#39415643 https://github.com/dotnet/dotnet-api-docs/blob/main/xml/System/Uri.xml#L1320 does not discuss the user-info part of URIs, while explicitly mentioning host and port. This is misleading as detailed by the referenced StackOverflow answer/comment.