nginx scene Practice 03 - Acting proxy_pass

Client -----> Agent ------> server

Forward Proxy and Reverse Proxy

• Forward proxy client <-----> ----- Proxy> server
• Reverse Proxy Client ------> proxy <----> server

The difference is that the object is not the same proxy, forward proxy is a server , reverse proxy is a client.

Lunix:   netstat -luntp | grep nginx  #查看nginx监听的端口号

MAC:     netstat -lnat |grep LISTEN

Proxy Configuration:

Forward Proxy

important point:

1. Increase dns resolution resolver

2. Increase server server_name no name

3.proxy_pass instruction

resolver 8.8.8.8;
 server {
	listen 8088;
	location / {
		proxy_pass http://$http_host$request_uri;
	}
 }

Reverse Proxy

location /proxy/ {
    proxy_pass http://127.0.0.1:9000/;
}

Other configuration parameters

The instruction is opened in response to proxy server from the rear end of the buffer contents. If the buffer is turned on, Nginx supposed to be back-end proxy server responds with the fastest speed, and the content stored in the instruction.

proxy_buffering

语法: proxy_buffering on|off

默认值: proxy_buffering on

上下文: http, server, location

扩展 ： proxy_buffer_size 、 proxy_buffer_size 、proxy_buffers

Redirect 301

proxy_redirect

语法: proxy_redirect [ default|off|redirect replacement ]

默认值: proxy_redirect default

上下文: http, server, location

Head Configuration

proxy_set_header

语法: proxy_set_header header value

默认值: Host and Connection

上下文: http, server, location

## 配置
proxy_set_header Host $proxy_host;
proxy_set_header Connection Close;

Timeout time_out

proxy_connect_timeout
 
语法: proxy_connect_timeout timeout_in_seconds
 
上下文: http, server, location
 
 
proxy_read_timeout
 
语法: proxy_read_timeout the_time

默认值: proxy_read_timeout 60

上下文: http, server, location