iptables 초기화 스크립트 작성

초기화 스크립트

방화벽

• vi init.sh

echo 1 > /proc/sys/net/ipv4/ip_forward

iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
echo "done iptables flushed!"

iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT

iptables -t nat -A POSTROUTING -o eth0 -s 192.168.100.0/24 -j MASQUERADE
iptables -t nat -A POSTROUTING -o eth0 -s 192.168.200.0/24 -j MASQUERADE

systemctl stop firewalld.service
systemctl start sshd

• chmod 755 init.sh
• ./init.sh

 

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Office PC

• vi init.sh

iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
echo "done iptables flushed!"

iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT

systemctl stop firewalld.service
systemctl start sshd

• chmod 755 init.sh
• ./init.sh

 

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WebServer

• vi init.sh

iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
echo "done iptables flushed!"

iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT

systemctl stop firewalld.service
systemctl start sshd
systemctl start httpd

• chmod 755 init.sh
• ./init.sh

 

 

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