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sonuame/linux-set-firewall-iptable

Last active August 16, 2020 11:18
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linux-set-firewall-iptable
sudo apt-get install iptables-persistent
sudo iptables -A OUTPUT -m conntrack --ctstate ESTABLISHED -j ACCEPT
sudo iptables -A INPUT -p tcp --dport 22 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
sudo iptables -A INPUT -p tcp --dport 80 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
sudo iptables -A INPUT -p tcp --dport 443 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
sudo iptables -A INPUT -p tcp --dport 1433 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
sudo iptables -A INPUT -p tcp --dport 9000 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
sudo netfilter-persistent save
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