I want my system to not reply to pings. Does anybody know how to do that in any system?
you can use:
iptables -A OUTPUT -p icmp --icmp-type 8 -j DROP
you can also try this (I never used personally):
echo "1" > /proc/sys/net/ipv4/icmp_echo_ignore_all
OR do it permanently on sysctl.conf
vi /etc/sysctl.conf
net.ipv4.icmp_echo_ignore_all = 1
hope this helps
Sweet. Thanks!
iptables -A OUTPUT -p icmp --icmp-type 8 -j DROP
Tried this but it didn't work, looked up the icmp types and codes, it should be 0 (Echo Reply):
iptables -A OUTPUT -p icmp --icmp-type 0 -j DROP