设置端口映射
iptables -t nat -I PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 4999
iptables -L -n
iptables -L -n --line-number
iptables -t nat -L -n
iptables -t nat -L -n --line-number
iptables -t nat -D PREROUTING 1
设置端口映射
iptables -t nat -I PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 4999
iptables -L -n
iptables -L -n --line-number
iptables -t nat -L -n
iptables -t nat -L -n --line-number
iptables -t nat -D PREROUTING 1