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22, 80, 443 any open
Userdata
sudo yum install iptables-services -y
sudo systemctl enable iptables
sudo systemctl start iptables
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sudo su
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sudo cat << EOF > /etc/sysctl.d/custom-ip-forwarding.conf
net.ipv4.ip_forward=1
EOF
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sudo sysctl -p /etc/sysctl.d/custom-ip-forwarding.conf
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netstat -i
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sudo /sbin/iptables -t nat -A POSTROUTING -o ens5 -j MASQUERADE # 필요시 수정
sudo /sbin/iptables -F FORWARD
sudo service iptables save
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•
Instance의 EIP 할당
•
활성화 후 저장
