ufw
ufw --force reset#ufw --force disableiptable
echo iptables-persistent iptables-persistent/autosave_v4 boolean true | sudo debconf-set-selectionsecho iptables-persistent iptables-persistent/autosave_v6 boolean true | sudo debconf-set-selectionsapt update -yqqapt install -yqq iptables-persistentiptables -P INPUT ACCEPTiptables -P FORWARD ACCEPTiptables -P OUTPUT ACCEPTiptables -t nat -Fiptables -t mangle -Fiptables -Fiptables -Xnetfilter-persistent saveip6tables -P INPUT ACCEPTip6tables -P FORWARD ACCEPTip6tables -P OUTPUT ACCEPTip6tables -t nat -Fip6tables -t mangle -Fip6tables -Fip6tables -Xnetfilter-persistent saveturn off sshbanner
touch ~/.hushlogin视频教程
How was it? Did this tutorial work? No
