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學習筆記

Linux底下如何禁Ping与解除Ping

刚才有人在群里问怎么禁Ping,我才想到以前没写过相关的资料,所以就立马写了这简短的文章给他看。
禁和解除禁Ping的方法都很简单,就一句罢了,见下文。

禁止ping
sysctl -w net.ipv4.icmp_echo_ignore_all=1

允许ping
sysctl -w net.ipv4.icmp_echo_ignore_all=0

SSH运行完毕后 实时生效 偶也!

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