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Varnish VCL Config
# Adapted from https://gist.github.com/4651531.git with a few mods according to my needs
backend default {
.host = "127.0.0.1";
.port = "8888";
.connect_timeout = 60s;
.first_byte_timeout = 60s;
.between_bytes_timeout = 60s;
.max_connections = 800;
}
acl purge {
"127.0.0.1";
"localhost";
}
sub vcl_recv {
set req.grace = 2m;
# Set X-Forwarded-For header for logging in nginx
remove req.http.X-Forwarded-For;
set req.http.X-Forwarded-For = client.ip;
# Remove has_js and CloudFlare/Google Analytics __* cookies and statcounter is_unique
set req.http.Cookie = regsuball(req.http.Cookie, "(^|;\s*)(_[_a-z]+|has_js|is_unique)=[^;]*", "");
# Remove a ";" prefix, if present.
set req.http.Cookie = regsub(req.http.Cookie, "^;\s*", "");
# Either the admin pages or the login, don't cache
if (req.url ~ "/wp-(login|admin|cron)") {
return (pass);
}
# Remove the wp-settings-1 cookie
set req.http.Cookie = regsuball(req.http.Cookie, "wp-settings-1=[^;]+(; )?", "");
# Remove the wp-settings-time-1 cookie
set req.http.Cookie = regsuball(req.http.Cookie, "wp-settings-time-1=[^;]+(; )?", "");
# Remove the wp test cookie
set req.http.Cookie = regsuball(req.http.Cookie, "wordpress_test_cookie=[^;]+(; )?", "");
# Static content can be cached (so no user uploaded images)
if (req.url ~ "wp-content/themes/" && req.url ~ "\.(css|js|png|gif|jp(e)?g)") {
unset req.http.cookie;
}
# Check the cookies for wordpress-specific items
if (req.http.Cookie ~ "wordpress_" || req.http.Cookie ~ "comment_") {
# A wordpress specific cookie has been set
return (pass);
}
# allow PURGE from localhost
if (req.request == "PURGE") {
if (!client.ip ~ purge) {
error 405 "Not allowed.";
}
return (lookup);
}
# Force lookup if the request is a no-cache request from the client
if (req.http.Cache-Control ~ "no-cache") {
return (pass);
}
# Try a cache-lookup
return (lookup);
}
sub vcl_fetch {
#set obj.grace = 5m;
set beresp.grace = 2m;
}
sub vcl_hit {
if (req.request == "PURGE") {
purge;
error 200 "Purged.";
}
}
sub vcl_miss {
if (req.request == "PURGE") {
purge;
error 200 "Purged.";
}
}
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