[root@linuxzgf ~]# echo 0 >/proc/sys/net/ipv4/icmp_echo_ignore_all
此上两条命令的和允效果实时生效， 系统环境Centos5 一、 ---------------------------------------------------------------------------------------------------------- /etc/rc.d/rc.local中增加一行 echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all 0表示允许 1表示禁止 关键词：linux禁ping,和允telegram安卓下载linuxlinux禁ping和允许ping的和允telegram安卓下载方法
[root@linuxzgf ~]# echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all
二、和允
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