sub vcl_recv { if (req.http.Accept-Encoding) { #revisit this list if (req.url ~ "\.(gif|jpg|jpeg|swf|flv|mp3|mp4|pdf|ico|png|gz|tgz|bz2)(\?.*|)$") { remove req.http.Accept-Encoding; } elsif (req.http.Accept-Encoding ~ "gzip") { set req.http.Accept-Encoding = "gzip"; } elsif (req.http.Accept-Encoding ~ "deflate") { set req.http.Accept-Encoding = "deflate"; } else { remove req.http.Accept-Encoding; } } if (req.url ~ "\.(gif|jpg|jpeg|swf|css|js|flv|mp3|mp4|pdf|ico|png)(\?.*|)$") { unset req.http.cookie; set req.url = regsub(req.url, "\?.*$", ""); } if (req.url ~ “\?(utm_(campaign|medium|source|term)|adParams|client|cx|eid|fbid|feed|ref(id|src)?|v(er|iew))=”) { set req.url = regsub(req.url, “\?.*$”, “”); } if (req.http.cookie) { if (req.http.cookie ~ "(wordpress_|wp-settings-)") { return(pass); } else { unset req.http.cookie; } } }
sub vcl_fetch { if (req.url ~ "wp-(login|admin)" || req.url ~ "preview=true" || req.url ~ "xmlrpc.php") { return (hit_for_pass); } if ( (!(req.url ~ "(wp-(login|admin)|login)")) || (req.request == "GET") ) { unset beresp.http.set-cookie; } if (req.url ~ "\.(gif|jpg|jpeg|swf|css|js|flv|mp3|mp4|pdf|ico|png)(\?.*|)$") { set beresp.ttl = 365d; } }
sub vcl_deliver { # multi-server webfarm? set a variable here so you can check # the headers to see which frontend served the request # set resp.http.X-Server = "server-01"; if (obj.hits > 0) { set resp.http.X-Cache = "HIT"; } else { set resp.http.X-Cache = "MISS"; } }