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peter279k/disable_ping.sh

Created May 4, 2020 13:12
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Disable ping
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disable_ping.sh
# Referenced by: https://linuxconfig.org/how-to-deny-icmp-ping-requests-on-ubuntu-18-04-bionic-beaver-linux
which ufw 2>&1 > /dev/null
if [[ $? != 0 ]]; then
echo 'Please install ufw package'
exit 1;
fi;
sudo_prefix=''
echo 'Check whether the user should add sudo prefix...'
if [[ $USER != 'root' ]]; then
sudo_prefix='sudo'
fi;
${sudo_prefix} sed -i '/ufw-before-input.*icmp/s/ACCEPT/DROP/g' /etc/ufw/before.rules
${sudo_prefix} ufw enable
${sudo_prefix} ufw reload
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