upstream back_end {
	server 192.168.184.20:8080 weight=2 max_conns=1000 fail_timeout=10s max_fails=3;
	keepalive 32;
	keepalive_requests 80;
	keepalive_timeout 20s;
} 

server {
	listen 80;
	server_name proxy.kutian.edu;

	location /proxy/ {
	    proxy_pass http://back_end/proxy;
	}

	location /bbs/ {
	   proxy_pass http://192.168.184.20:8050/;
	}

}