# 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.restarts == 0) {
# 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 bereq.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 {
# hash_data(req.url);
# if (req.http.host) {
# hash_data(req.http.host);
# } else {
# hash_data(server.ip);
# }
# return (hash);
# }
#
# sub vcl_hit {
# return (deliver);
# }
#
# sub vcl_miss {
# return (fetch);
# }
#
# sub vcl_fetch {
# if (beresp.ttl <= 0s ||
# beresp.http.Set-Cookie ||
# beresp.http.Vary == "*") {
# /*
# * Mark as "Hit-For-Pass" for the next 2 minutes
# */
# set beresp.ttl = 120 s;
# return (hit_for_pass);
# }
# return (deliver);
# }
#
# sub vcl_deliver {
# return (deliver);
# }
#
# sub vcl_error {
# set obj.http.Content-Type = "text/html; charset=utf-8";
# set obj.http.Retry-After = "5";
# synthetic {"
#
#
#
#
# "} + obj.status + " " + obj.response + {"
#
#
# Error "} + obj.status + " " + obj.response + {"
# "} + obj.response + {"
# Guru Meditation:
# XID: "} + req.xid + {"
#
# Varnish cache server
#
#
# "};
# return (deliver);
# }
#
# sub vcl_init {
# return (ok);
# }
#
# sub vcl_fini {
# return (ok);
# }
acl purge {
"127.0.0.1";
}
sub vcl_recv {
# Allow purge requests
if (req.request == "PURGE") {
if (!client.ip ~ purge) {
error 405 "Not allowed.";
}
ban("req.url ~ ^" + req.url + " && req.http.host == " + req.http.host);
return(lookup);
}
# Add header for sending client ip to backend
set req.http.X-Forwarded-For = client.ip;
# Normalize content-encoding
if (req.http.Accept-Encoding) {
if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|lzma|tbz)(\?.*|)$") {
remove req.http.Accept-Encoding;
} elsif (req.http.Accept-Encoding ~ "gzip") {
set req.http.Accept-Encoding = "gzip";
} elsif (req.http.Accept-Encoding ~ "deflate") {
set req.http.Accept-Encoding = "deflate";
} else {
remove req.http.Accept-Encoding;
}
}
# Remove cookies and query string for real static files
if (req.url ~ "^/[^?]+\.(gif|jpg|jpeg|swf|css|js|txt|flv|mp3|mp4|pdf|ico|png|gz|zip|lzma|bz2|tgz|tbz)(\?.*|)$") {
unset req.http.cookie;
set req.url = regsub(req.url, "\?.*$", "");
}
# Don't cache admin
if (req.url ~ "((wp-(login|admin|comments-post.php|cron.php))|login)" || req.url ~ "preview=true" || req.url ~ "xmlrpc.php") {
return (pass);
} else {
if ( !(req.http.cookie ~ "wpoven-no-cache") ) {
unset req.http.cookie;
}
}
}
sub vcl_hit {
# purge cached objects from memory
if (req.request == "PURGE") {
purge;
error 200 "Purged";
}
}
sub vcl_miss {
# purge cached objects varients from memory
if (req.request == "PURGE") {
purge;
error 404 "Purged varients";
}
}
sub vcl_fetch {
# Dont cache admin
if (req.url ~ "(wp-(login|admin|comments-post.php|cron.php))|login" || req.url ~ "preview=true" || req.url ~ "xmlrpc.php") {
return (deliver);
} else {
if ( beresp.ttl > 0s && !(beresp.http.set-cookie ~ "wpoven-no-cache") ) {
unset beresp.http.set-cookie;
}
}
}
sub vcl_deliver {
# Remove unwanted headers
unset resp.http.Server;
unset resp.http.X-Powered-By;
unset resp.http.x-backend;
unset resp.http.Via;
unset resp.http.X-Varnish;
}