|| what is ping
please take a look this
|| how to disable icmp / ping respond
|
1 |
# echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all |
if you want to save permanently
|
1 2 3 |
# vi /etc/sysctl.conf
; add this line:
net.ipv4.conf.icmp_echo_ignore_all = 1 |
|| how to enable icmp / ping respond on linux
|
1 |
# echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all |
or
|
1 2 3 |
# vi /etc/sysctl.conf
; edit / remove this line like:
net.ipv4.conf.icmp_echo_ignore_all = 0 |