Nginx ncache

http 
{

	  	
        keepalive_timeout 1800;
        
        ncache_max_size 24;

        proxy_buffering off;

        ncache_dir /data1/ngx_cache/ 128 64;
        ncache_dir /data2/ngx_cache/ 128 64;
        ncache_dir /data3/ngx_cache/ 128 64;
        ncache_dir /data4/ngx_cache/ 128 64;

        ncache_ignore_client_no_cache on;
        
        upstream backend 
        {
            server 78.47.93.49;
        }

        sendfile on;

        send_timeout 90;

        client_header_timeout 120;


        tcp_nodelay on;
        


        include "mime.types";

        server 
        {
			  access_log   off;
	
                server_name  .piraten.21studios.de;

                listen piraten.21studios.de:8080;
                
                set $xvia "piraten.21studios.de";   
    
                set $proxy_add_agent "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; NginxCache)";
                #access_log logs/blog.sina.com.cn-access_log main;

                location / 
                {
				
				
                        if ($request_method ~ "PURGE")
                        {
                                        rewrite (.*) /PURGE$1 last;
                        }

                        if ($request_uri = /)
                        {
                                rewrite ^/$ /lm/index.html last;
                        }               

                        ncache_http_cache;

                        error_page  404 = /fetch$request_uri;
                        
                        add_header      Sina-Cache   $xvia;
						

                }

                location /ncache_state
                {
                    ncache_state;
                }


                location /fetch
                {
                    internal;
                    proxy_pass http://backend;
                    add_header      Sina-Cache   $xvia;
                    proxy_hide_header   User-Agent;
                    proxy_set_header    User-Agent $proxy_add_agent;
                    proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
					sub_filter      '<a href="/datenschutzerklaerung" rel="nofollow" >Datenschutzerklärung</a>'  '<a href="/datenschutzerklaerung" rel="nofollow" >Datenschutzerklärung</a> | <em> Cached by 21Studios.de</em> - <a href="http://www.piratenpartei.de">Direktzugriff</a>';
					sub_filter_once off;
                }


                location /PURGE/ 
                {       
                    #access_log logs/purge.blog.sina.com.cn-access_log main;
                   #internal;
                    allow all;
                    #deny    all;
                    ncache_purge;
                }
				location /nginx_status {
				  # copied from http://blog.kovyrin.net/2006/04/29/monitoring-nginx-with-rrdtool/
				  stub_status on;
				  access_log   off;
				}      
 
        }

}