events {
    worker_connections 1024;
}
stream { #stream模块，就跟http模块一样  
        upstream ssh {
                server 127.0.0.1:22;
        }
        server { #里面可以有多个监听服务，配置监听端口和代理的ip和端口就可以进行tcp代理了。  
                listen 9922;
                proxy_pass ssh;
                proxy_connect_timeout 1h;
                proxy_timeout 1h;
        }
}

server {
    listen 8844;
    server_name 127.0.0.1;

    location / {
        proxy_read_timeout 1800;
        proxy_next_upstream http_502 http_504 error timeout invalid_header;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_pass http://192.168.1.253:808;
    }
}

stream{
log_format proxy '[$time_local] remote_addr:$remote_addr $protocol status:$status $bytes_sent $bytes_received s_time:$session_time upstream_addr:$upstream_addr u_conn_time:$upstream_connect_time';
   　access_log logs/tcp-access.log proxy ;
}