Using DirectPlay security features, an application running on a server can create secure sessions. DirectPlay implements security through the Security Support Provider Interface (SSPI) on Windows. Key features supported by DirectPlay in a secure session are:
·Authentication to verify the identity of the user. Once a user has been authenticated, communications between the client and server can be done securely either by digitally signing or encrypting the messages.
·Digitally signed system messages to verify the identity of the sender.
·Encryption of sensitive system messages.
For more information, including how to set up a secure server, start a secure session, and specify security packages, see Security and Authentication.