how to disable ping

Longinus · 08-23-2004, 11:30 PM

hi

i know this has something to do wtih the router, but what i want to do is not allow people to ping my ip is that possible?

my router is a linksys wrtg54g

i looked through the whole router config menu but i cant find anything that says "disable ping"

thanks for the help

ppuru · 08-24-2004, 12:00 AM

On your linux boxes, you can disable ping by

iptables -A INPUT -p icmp -i <external interface> --icmp-type echo-request -j REJECT

OR

edit /etc/sysctl.conf and set the parameter
net.ipv4.icmp_echo_ignore_all = 1