How to ban ping in LINUX

This article mainly introduces "how to ban ping in LINUX". In daily operation, I believe many people have doubts about how to ban ping in LINUX. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the doubts of "how to ban ping in LINUX"! Next, please follow the editor to study!

Enter the Linux system as root, and then edit the file icmp_echo_ignore_all

Vi / proc/sys/net/ipv4/icmp_echo_ignore_all

Change its value to 1 to disable PING

Change its value to 0 to remove the prohibition of PING

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