Linux Server Disable Ping

Source: Internet
Author: User

[Email protected] ~]# Cat/proc/sys/net/ipv4/icmp_echo_ignore_all

View the value of Icmp_echo_ignore_all 0 is allow Ping 1 is prohibit ping

Modify the value of Icmp_echo_ignore_all to 1 This is only valid in memory, restart on restore 0

[[email protected] ~]# echo "1" >/proc/sys/net/ipv4/icmp_echo_ignore_all

Then ping the server and try, the request timed out

Permanently disable ping

[Email protected] ~]# vim/etc/sysctl.conf

Add a line at the end of the configuration file

Net.ipv4.icmp_echo_ignore_all = 1

This article is from the "david0512" blog, make sure to keep this source

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