Disable Ping Response in ubuntu PDF Print E-mail
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How to ? - Linux
Written by Joby Joseph   
Sunday, 06 December 2009 23:30

 

 

Ping is used to check if a machine is up, Most of the hackers are using ping for finding the hackable machine. The hacking chances can be reduced by blocking ping.

in ubuntu ping can be disable by adding following line to /etc/init.d/networking (network init script)
echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all

to re-enable

echo 0 >/proc/sys/net/ipv4/icmp_echo_ignore_all

Last Updated on Wednesday, 09 December 2009 07:16
 

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