最后，浏览器接收会话持续时间并设置一个超时以保持连接处于活跃状态。

Finally, the browser receives the session duration time and sets a timeout to keep the connection alive.

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为会话设置LTPA超时。

Setting the LTPA timeout for sessions.

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如果用户花费太多的时间在iF rame内进行交互，门户会话可能会超时，具体取决于为门户服务器会话设置的超时值。

If the user spends too much time interacting within the iFrame, the portal session can time out, depending on the timeout value set for the portal server session.

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