擁有兩個(gè)網(wǎng)卡, eth0, eth1, eth0連接外網(wǎng), eth1連接內(nèi)網(wǎng)
開啟轉(zhuǎn)發(fā)功能
編輯 /etc/sysctl.conf
net.ipv4.ip_forward=1
配置iptebles
sudo iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
sudo iptables -A FORWARD -i eth1 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT
sudo iptables -A FORWARD -i eth0 -o eth1 -j ACCEPT
