Configure gateway proxy for Internet access in linux

In linux, the gateway proxy is used to set up Internet access. on the server side: Wireless Network Adapter: 192.168.1.101, wired network adapter: 192.168.9.12, and no Internet access settings: 1. enable IP forwarding echo & quot; 1 & quot; & gt;/proc/sys/net/ipv4/ip _... in linux, the gateway proxy is used to set up Internet access. on the server side: Wireless Network Adapter: 192.168.1.101, wired network adapter: 192.168.9.12, and no Internet access settings: 1. enable IP forwarding echo "1">/proc/sys/net/ipv4/ip_forward 2. set iptables rules iptables-t nat-a postrouting-j MASQUERADE client: wired network adapter: 192.168.9.101 set the gateway to 192.168.9.12 to allow Internet access. (Originally, the gateway is 192.168.9.1 and cannot access the Internet.) the server stops sharing the internet. Method 1: Stop Forwarding: echo "0">/proc/sys/net/ipv4/ip_forward 2. delete a nat rule: iptables-t nat-d postrouting 1