4, nginx 的 tcp 转发

[root@centos7 nginx]# hostname -i
fe80::573d:3f45:8bb8:5050%ens33 192.168.0.11
[root@centos7 nginx]# 
[root@centos7 nginx]# cat nginx.conf
worker_processes 2;
events {
    worker_connections 1024;
}

stream {
	upstream ssh_proxy {
		hash $remote_addr consistent;
		server 192.168.0.13:22; 
   	}
	server {
		listen 2222;
		proxy_connect_timeout 5s;
		proxy_timeout 5s;
		proxy_pass ssh_proxy;
     }
}


http {
    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;
    sendfile            on;
    keepalive_timeout   65;
    server {
        listen 80;
        server_name  www.etiantian.org;
        index index.html index.htm;
	location = / {
		return 500;	
	}

    }
}
[root@centos7 nginx]# 
[root@centos7 nginx]# netstat -nultp|grep nginx
tcp        0      0 0.0.0.0:2222            0.0.0.0:*               LISTEN      78097/nginx: master 
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      78097/nginx: master 
[root@centos7 nginx]# 
[root@centos7 nginx]# ssh -p 2222 192.168.0.11
root@192.168.0.11‘s password: 
Last login: Wed Jul 22 19:50:25 2020 from 192.168.0.1
[root@centos7 ~]# 
[root@centos7 ~]# hostname -i
fe80::63aa:b68b:9d82:1610%ens33 fe80::573d:3f45:8bb8:5050%ens33 192.168.0.13
[root@centos7 ~]# 

监听本机的2222端口，实现跳转到192.168.0.13的22号端口
ssh -p 2222 192.168.0.11	就会跳转到192.168.0.13