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sudo iptables -F | |
sudo iptables -I INPUT -i lo -j ACCEPT | |
sudo iptables -I INPUT -i tun0 -j ACCEPT | |
sudo iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT | |
sudo iptables -A OUTPUT -o eth0 -p tcp --dport 1194 -m state --state ESTABLISHED -j ACCEPT | |
sudo iptables -A INPUT -i eth0 -p tcp --dport ssh -m state --state NEW,ESTABLISHED -j ACCEPT | |
sudo iptables -A OUTPUT -o eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT | |
sudo iptables -A INPUT -j DROP | |
sudo iptables -A OUTPUT -j DROP | |
sudo iptables -A FORWARD -j DROP | |
sudo service iptables save |
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