django-\/\/ i K |

2018-03-13 Linux 宅必备

临时改变

禁用icmp

echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all

启用icmp

echo 0 >/proc/sys/net/ipv4/icmp_echo_ignore_all

永久禁用icmp

vim /etc/sysctl.conf

net.ipv4.conf.icmp_echo_ignore_all = 1