Posted on November 4, 2020 at 11:56 am
Check if iptables-persistent is installed, else install it:
if [[ $(dpkg -s iptables-persistent) != *"Status: install ok installed"* ]]; then
echo iptables-persistent iptables-persistent/autosave_v4 boolean true | sudo debconf-set-selections
echo iptables-persistent iptables-persistent/autosave_v6 boolean true | sudo debconf-set-selections
apt-get -y install iptables-persistent
fi |
iptables-persistent makes sure iptables rules survive a reboot.
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