linux 防ping命令及恢复

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[不指定 2009/11/25 10:17 | by 挥舞尘埃 ]
linux 防ping命令
进入shell后
echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all


使用一下命令恢复:
echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all
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