旁路由openwrt里openvpn不能访问内网其他设备

在防火墙自定义规则里增加：

iptables -t nat -A PREROUTING -p udp --dport 53 -j REDIRECT --to-ports 53
iptables -t nat -A PREROUTING -p tcp --dport 53 -j REDIRECT --to-ports 53
iptables -t nat -I POSTROUTING -j MASQUERADE
iptables -t nat -I POSTROUTING 1 -d 10.8.0.0/24 -j ACCEPT