NAT 設定:

1. echo "1" > /proc/sys/net/ipv4/ip_forward
2. cat /proc/sys/net/ipv4/ip_forward

3. gedit /etc/sysctl.conf

    add:
   
    net.ipv4.ip\_forward = 1
   
    net.ipv6.ip\_forward = 1
   

編輯iptables:

1. gedit /etc/sysconfig/iptables

    將iptables的內容修改成像是Iptables File的內容即可