/// <summary>
/// Checks if this header is from an open session message.
/// </summary>
/// <param name="header">The message header.</param>
/// <returns><c>true</c> if the header is from an open session message; <c>false</c> otherwise.</returns>
public static bool IsAllowedBeforeSessionIsOpen(this IMessageHeader header)
{
return(header.IsRequestSession() || header.IsOpenSession() || header.IsAcknowledge() || header.IsProtocolException() || header.IsCloseSession());
}
