Because HTTP is stateless, unless some kind of session token is passed back and forth on every request, the server has no way to link together requests made by the same person.
因为HTTP是无状态的，除非一些类型的会话令牌在每个请求中来回传递，否则服务器并不能将同一个人的所有请求联系在一起。
Gets or sets the maximum number of concurrent security sessions that are established with the server for which it has issued a session token but for which no application messages are sent.
获取或设置已与服务器建立的并发安全会话的最大数目，该服务器已经为这些会话颁发会话令牌但尚未为这些会话发送任何应用程序消息。
Gets or sets the maximum number of concurrent security sessions that are established with the server for which it has issued a session token but for which no application messages are sent.
获取或设置已与服务器建立的并发安全会话的最大数目，该服务器已经为这些会话颁发会话令牌但尚未为这些会话发送任何应用程序消息。
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