varnish 2.X 配置文件

backend picserver { .host = "123.34.34.2"; .port = "80"; }acl purge {"localhost";"127.0.0.1";"192.168.20.0"/24;}sub vcl_recv {if (req.request == "PURGE") {if (!client.ip ~ purge) {error 405 "Not allowed.";}return (lookup);}if (req.http.referer) {if ( req.url ~ "/html22|tabloid"){if ( !(req.http.referer ~ "http://.*aa/.cn"|| req.http.referer ~ "http://.*bb/.cn"|| req.http.referer ~ "http://.*cc/.cn"|| req.http.referer ~ "http://.*dd/.cn")) {set req.http.host = "www.baidu.com";set req.url = "/img/baidu_logo.gif";}}}else {return (lookup);}if (req.http.host ~ ".(xxx.cn|mmm.cn)") {set req.backend = picserver; if (req.request != "GET" && req.request != "HEAD") {return (pipe);}else {return (lookup);}}else {error 404 "Union Ete Cache Server"; return (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|css|swf)$") {set obj.ttl = 3600s;}else {set obj.ttl = 30d;}}