varnish缓存服务器

backend myblogserver {
       set backend.host = "192.168.1.103";
       set backend.port = "8282";
}
 
acl purge {
       "localhost";
       "127.0.0.1";
       "192.168.1.0"/24;
}
 
sub vcl_recv {
       if (req.request == "PURGE") {
               if (!client.ip ~ purge) {
                       error 405 "Not allowed.";
               }
               lookup;
       }
 
       if (req.http.host ~ "^") {
               set req.backend = myblogserver;
               if (req.request != "GET" && req.request != "HEAD") {
                       pipe;
               }
      elseif(req.url ~ "\.(php|cgi|jsp|do)($|\?)") {
                       pass;
      }
               else {
                       lookup;
               }
       }
       else {
               error 404 "Zhang Yan Cache Server";
               lookup;
       }
}
 
sub vcl_hit {
       if (req.request == "PURGE") {
               set obj.ttl = 0s;
               error 200 "Purged.";
       }
}
 
sub vcl_miss {
       if (req.request == "PURGE") {
               error 404 "Not in cache.";
       }
}
 
sub vcl_fetch {
       if (req.request == "GET" && req.url ~ "\.(txt|js)$") {
               set obj.ttl = 3600s;
       }
       else {
               set obj.ttl = 30d;
       }
}