禁止ping:
代码如下
echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all
允许ping:
代码如下
echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all
防火墙/etc/sysconfig/iptables添加
-A INPUT -p icmp -m icmp --icmp-type echo-request -m state --state NEW -j ACCEPT /etc/init.d/iptables restart iptables -L -nv 7 588 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW icmp type 8
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