Nginx将不同IP的请求分发到不同的WEB服务器

server { 
    listen       80; 
    server_name  localhost; 
       
    large_client_header_buffers 4 16k; 
    client_max_body_size 300m; 
    client_body_buffer_size 128k; 
    proxy_connect_timeout 600; 
    proxy_read_timeout 600; 
    proxy_send_timeout 600; 
    proxy_buffer_size 64k; 
    proxy_buffers   4 32k; 
    proxy_busy_buffers_size 64k; 
    proxy_temp_file_write_size 64k; 
   
    location / { 
        root   html; 
        index  index.html index.htm; 
    } 
       
    location /project { 
        proxy_set_header   Host    $host:$server_port; 
        proxy_set_header   X-Real-IP   $remote_addr;  
        proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for; 
        client_max_body_size    10m; 
        if ($remote_addr ~ "192.168.9.138") 
        { 
        proxy_pass http://project1.server.com; 
        break; 
        } 
        proxy_pass http://project2.server.com; 
    } 
       
    error_page   502  /502.html; 
    location = /502.html { 
        root   html; 
    } 
}