#!/bin/sh

# Disable ping reply Permanently
# You can permanently disable the ping reply using the following method.
# Step 1: Edit the sysctl.conf file and add the following line.
# net.ipv4.icmp_echo_ignore_all = 1
# Step 2: Execute sysctl -p to enforce this setting immediately.
# sysctl -p
# The above command loads the sysctl settings from the sysctl.conf file.

echo "1" >  /proc/sys/net/ipv4/icmp_echo_ignore_all