When you create a session, the server generates a separate identifier for each session. This identification is represented by a 120-bit sessionID string that includes only the ASCII characters allowed in the URL. The sessionID value is generated using an algorithm that guarantees uniqueness and randomness. The purpose of ensuring that the session does not conflict, ensuring that the purpose of randomness is to ensure that there is a malicious user who cannot use the new sessionID to calculate the existing session. SessionID. Full text: Know the ASP.NET session status