[Tutorial] How to disable ping and allow ping settings in Linux system

Some friends like to ban ping, while others don’t. In fact, it depends on your own preferences! So how to disable and allow ping in Linux system? In fact, it is not difficult. After collecting it on this site, I found that it is really simple, and some control panels also have this function. I won’t talk about the use of panels on this site. Today’s Chinese panels are really convenient, but they can also cause a lot of problems. Let’s talk about how to disable and allow ping:
Question 1: How to disable ping in Linux?
Solution:

[root@XXXx ~]# echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all

Question 2: How to allow ping in Linux?

[root@XXXX ~]# echo 0 >/proc/sys/net/ipv4/icmp_echo_ignore_all

Solution: You can check the effect after the operation without restarting.
The above is how to disable ping and allow ping in Linux. I hope it will be helpful to everyone!

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