# 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 = "8080";
}
#
# Below is a commented-out copy of the default VCL logic. If you redefine any of these subroutines, the built-in logic will be appended to your
# code.
#
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 != "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);
}
if (req.request != "GET" && req.request != "HEAD") {
/* We only deal with GET and HEAD by default */
return (pass);
}
if (req.http.Authorization || req.http.Cookie) {
/* Not cacheable by default */ return (pass);
}
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);
# }
#
# sub vcl_hit {
# if (!obj.cacheable) {
# return (pass);
# }
# return (deliver);
# }
#
# sub vcl_miss {
# return (fetch);
# }
#
# sub vcl_fetch {
# if (!beresp.cacheable) {
# return (pass);
# }
# if (beresp.http.Set-Cookie) {
# return (pass);
# }
# return (deliver);
# }
#
# sub vcl_deliver {
# return (deliver);
# }
#
# sub vcl_error {
# set obj.http.Content-Type = "text/html; charset=utf-8"; synthetic {"
#
# "} obj.status " " obj.response {" Error "} obj.status " " obj.response {"
"} obj.response {"
# Guru Meditation:
XID: "} req.xid {"
Varnish cache server
"};
# return (deliver);
# }
acl purge {
"localhost";
"127.0.0.1";
}
sub vcl_recv {
// Strip cookies for static files:
if (req.url ~ "\.(jpg|mp4|m4v|jpeg|gif|png|ico|css|zip|tgz|gz|rar|bz2|pdf|txt|tar|wav|bmp|rtf|js|flv|swf|html|htm)$") {
unset req.http.Cookie;
return(lookup);
}
// Remove has_js and Google Analytics __* cookies.
set req.http.Cookie = regsuball(req.http.Cookie, "(^|;\s*)(__[a-z]+|has_js)=[^;]*", "");
// Remove a ";" prefix, if present.
set req.http.Cookie = regsub(req.http.Cookie, "^;\s*", "");
// Remove empty cookies.
if (req.http.Cookie ~ "^\s*$") {
unset req.http.Cookie;
}
if (req.request == "PURGE") {
if (!client.ip ~ purge) {
error 405 "Not allowed.";
}
purge("req.url ~ " req.url " && req.http.host == " req.http.host);
error 200 "Purged.";
}
}
sub vcl_hash {
if (req.http.Cookie) {
set req.hash += req.http.Cookie;
}
}
sub vcl_fetch {
// Strip cookies for static files:
if (req.url ~ "\.(jpg|mp4|m4v|jpeg|gif|png|ico|css|zip|tgz|gz|rar|bz2|pdf|txt|tar|wav|bmp|rtf|js|flv|swf|html|htm)$") {
unset beresp.http.set-cookie;
}
// Varnish determined the object was not cacheable
if (!beresp.cacheable) {
set beresp.http.X-Cacheable = "NO:Not Cacheable";
}
# // You don't wish to cache content for logged in users
# elsif(req.http.Cookie ~"(UserID|_session)") {
# set beresp.http.X-Cacheable = "NO:Got Session";
# return(pass);
# }
# // You are respecting the Cache-Control=private header from the backend
# elsif ( beresp.http.Cache-Control ~ "private") {
# set beresp.http.X-Cacheable = "NO:Cache-Control=private";
# return(pass);
# }
// You are extending the lifetime of the object artificially
elsif ( beresp.ttl < 1s ) {
set beresp.ttl = 300s;
set beresp.grace = 300s;
set beresp.http.X-Cacheable = "YES:Forced";
}
// Varnish determined the object was cacheable
else {
set beresp.http.X-Cacheable = "YES";
}
return(deliver);
}