例如，返回TTL值为119，那么可以推算数据包离开源地址的TTL起始值为128，而源地点到目标地点要通过9个路由器网段（128-119）；如果返回TTL值为246，TTL起始值就是256，源地点到目标地点要通过9个路由器网段。

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Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech and strategic finance in top universities. She has been an investor, entrepreneur, and advisor for more than ...

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