On the Web server, a new HTTP module intercepts the AcquireSessionState event, retrieves the current ticket from the hidden field, and compares it to an internally cached last-served ticket ID.

• 在Web服务器上,新的HTTP模块将截取AcquireSessionState事件,从隐藏字段中检索当前票证,并将其与内部缓存的上次处理的票证ID进行比较。