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# This is a basic VCL configuration file for varnish. See the vcl(7)
# man page for details on VCL syntax and semantics.
#
# Default backend definition. Set this to point to your content
# server.
#
backend default {
.host = "127.0.0.1";
.port = "81"; # READ THIS: You should configure Apache to run on port 81
}
acl trusted {
"127.0.0.1";
"127.0.1.1";
"192.168.56.1";
# Add other ips that are allowed to purge cache
}
#
# http://www.varnish-cache.org/docs/2.1/tutorial/vcl.html#vcl-recv
# @param req Request object
sub vcl_recv {
if (req.http.x-forwarded-for) {
set req.http.X-Forwarded-For = req.http.X-Forwarded-For ", " client.ip;
}
else {
set req.http.X-Forwarded-For = client.ip;
}
if (req.request == "PURGE") {
# Allow requests from trusted IPs to purge the cache
if (!client.ip ~ trusted) {
error 405 "Not allowed.";
}
purge("req.url ~ " req.url);
error 200 "Ok"; #We don't go to backend
#return(lookup); # @see vcl_hit
}
if (req.request != "GET" &&
req.request != "HEAD" &&
req.request != "PUT" &&
req.request != "POST" &&
req.request != "TRACE" &&
req.request != "OPTIONS" &&
req.request != "DELETE") {
/* Non-RFC2616 or CONNECT which is weird. */
return (pipe);
}
# Cache only GET or HEAD requests
if (req.request != "GET" && req.request != "HEAD") {
/* We only deal with GET and HEAD by default */
return (pass);
}
# parse accept encoding rulesets to normalize
if (req.http.Accept-Encoding) {
if (req.http.Accept-Encoding ~ "gzip") {
set req.http.Accept-Encoding = "gzip";
} elsif (req.http.Accept-Encoding ~ "deflate") {
set req.http.Accept-Encoding = "deflate";
} else {
# unkown algorithm
remove req.http.Accept-Encoding;
}
}
# Rules for static files
if (req.url ~ "\.(jpeg|jpg|png|gif|ico|swf|js|css|gz|rar|txt|bzip|pdf)(\?.*|)$") {
set req.http.staticmarker = "1";
unset req.http.Cookie;
return (lookup);
}
# Don't cache pages for Magento Admin
# FIXME: change this rule if you use custom url in admin
if (req.url ~ "^/(index.php/)?admin") {
return(pass);
}
# Don't cache checkout/customer pages, product compare
if (req.url ~ "^/(index.php/)?(checkout|customer|catalog/product_compare|wishlist)") {
return(pass);
}
# Don't cache till session end
if (req.http.cookie ~ "nocache_stable") {
return(pass);
}
# Unique identifier witch tell Varnish use cache or not
if (req.http.cookie ~ "nocache") {
return(pass);
}
# Remove cookie
unset req.http.Cookie;
set req.http.magicmarker = "1"; #Instruct varnish to remove cache headers received from backend
return(lookup);
}
sub vcl_pipe {
# # Note that only the first request to the backend will have
# # X-Forwarded-For set. If you use X-Forwarded-For and want to
# # have it set for all requests, make sure to have:
# # set req.http.connection = "close";
# # here. It is not set by default as it might break some broken web
# # applications, like IIS with NTLM authentication.
return (pipe);
}
#sub vcl_pass {
# return (pass);
#}
#sub vcl_hash {
# set req.hash += req.url;
# if (req.http.host) {
# set req.hash += req.http.host;
# } else {
# set req.hash += server.ip;
# }
# return (hash);
# }
# Called after a cache lookup if the req. document was found in the cache.
sub vcl_hit {
if (req.request == "PURGE") {
purge_url(req.url);
error 200 "Purged";
}
if (!obj.cacheable) {
return (pass);
}
return (deliver);
}
# Called after a cache lookup and odc was not found in cache.
sub vcl_miss {
if (req.request == "PURGE"){
error 200 "Not in cache";
}
return (fetch);
}
# Called after document was retreived from backend
# @var req Request object.
# @var beresp Backend response (contains HTTP headers from backend)
sub vcl_fetch {
set req.grace = 30s;
# Current response should not be cached
if(beresp.http.Set-Cookie ~ "nocache=1") {
return (deliver);
}
# Flag set when we want to delete cache headers received from backend
if (req.http.magicmarker){
unset beresp.http.magicmarker;
unset beresp.http.Cache-Control;
unset beresp.http.Expires;
unset beresp.http.Pragma;
unset beresp.http.Cache;
unset beresp.http.Server;
unset beresp.http.Set-Cookie;
unset beresp.http.Age;
# default ttl for pages
set beresp.ttl = 1d;
}
if (req.http.staticmarker) {
set beresp.ttl = 30d; # static file cache expires in 30 days
unset beresp.http.staticmarker;
unset beresp.http.ETag; # Removes Etag in case we have multiple frontends
}
return (deliver);
}
# Called after a cached document is delivered to the client.
sub vcl_deliver {
if (obj.hits > 0) {
set resp.http.X-Cache = "HIT ("obj.hits")";
} else {
set resp.http.X-Cache = "MISS";
# set resp.http.X-Cache-Hash = obj.http.hash;
}
return (deliver);
}
#
# sub vcl_error {
# set obj.http.Content-Type = "text/html; charset=utf-8";
# synthetic {"
# <?xml version="1.0" encoding="utf-8"?>
# <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
# "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
# <html>
# <head>
# <title>"} obj.status " " obj.response {"</title>
# </head>
# <body>
# <h1>Error "} obj.status " " obj.response {"</h1>
# <p>"} obj.response {"</p>
# <h3>Guru Meditation:</h3>
# <p>XID: "} req.xid {"</p>
# <hr>
# <address>
# <a href="http://www.varnish-cache.org/">Varnish cache server</a>
# </address>
# </body>
# </html>
# "};
# return (deliver);
# }