本文介绍了在ICMP错误层没有ICMP TTL的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
似乎在FWPS_LAYER_INBOUND_ICMP_ERROR_V4层未报告超过ICMP生存时间(类型11).如果这是设计使然，为什么超出时间不视为错误?
It appears that ICMP Time To Live Exceeded (type 11) is not reported at the FWPS_LAYER_INBOUND_ICMP_ERROR_V4 layer. If this is by design, why is time exceeded not considered an error? thanks.
推荐答案
在这些层上未显示的唯一ICMP错误是SOURCE_QUENCH和REDIRECT，因为Microsoft TCPIP堆栈实际上并没有将它们解释为错误(在这种情况下，您可以过滤这些@ FWPM_LAYER_INBOUND_TRANSPORT_V4)
The only ICMP errors not indicated at these layers are SOURCE_QUENCH and REDIRECT, as these are really not interpreted as errors by the Microsoft TCPIP stack (in which case you could filter for these @ FWPM_LAYER_INBOUND_TRANSPORT_V4)
希望对您有帮助
Hope this helps
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