Ich wollte euch einmal meine Varnish VCL zeigen. Ich habe diese VCL hier als Basis genommen und etwas für mich modifiziert damit es mit meinen WordPress 4.1 Blog läuft.
## VCL für xvt-blog.tk
vcl 4.0;
import directors;
# Default backend definition. Set this to point to your content server.
backend default {
.host = "127.0.0.1";
.port = "8080";
.connect_timeout = 600s;
.first_byte_timeout = 600s;
.between_bytes_timeout = 600s;
}
acl purge {
"localhost";
"127.0.0.1";
}
#sub vcl_recv {
# Happens before we check if we have this in cache already.
#
# Typically you clean up the request here, removing cookies you don't need,
# rewriting the request, etc.
#}
sub vcl_backend_response {
# Happens after we have read the response headers from the backend.
#
# Here you clean the response headers, removing silly Set-Cookie headers
# and other mistakes your backend does.
####
# For static content strip all backend cookies
if (bereq.url ~ "\.(css|js|png|gif|jp(e?)g)|swf|ico") {
unset beresp.http.cookie;
}
# Only allow cookies to be set if we're in admin area
if (beresp.http.Set-Cookie && bereq.url !~ "^/wp-(login|admin)") {
unset beresp.http.Set-Cookie;
}
# don't cache response to posted requests or those with basic auth
if ( bereq.method == "POST" || bereq.http.Authorization ) {
set beresp.uncacheable = true;
set beresp.ttl = 120s;
return (deliver);
}
# don't cache search results
if ( bereq.url ~ "\?s=" ){
set beresp.uncacheable = true;
set beresp.ttl = 120s;
return (deliver);
}
# only cache status ok
if ( beresp.status != 200 ) {
set beresp.uncacheable = true;
set beresp.ttl = 120s;
return (deliver);
}
# A TTL of 24h
set beresp.ttl = 24h;
# Define the default grace period to serve cached content
set beresp.grace = 30s;
return (deliver);
####
}
sub vcl_recv {
##
# Post requests will not be cached
if (req.http.Authorization || req.method == "POST") {
return (pass);
}
# --- WordPress specific configuration
# Did not cache the RSS feed
if (req.url ~ "/feed") {
return (pass);
}
# Blitz hack
if (req.url ~ "/mu-.*") {
return (pass);
}
# Did not cache the admin and login pages
if (req.url ~ "/wp-(login|admin)") {
return (pass);
}
# Do not cache the WooCommerce pages
### REMOVE IT IF YOU DO NOT USE WOOCOMMERCE ###
## if (req.url ~ "/(cart|my-account|checkout|addons|/?add-to-cart=)") {
## return (pass);
## }
# Remove the "has_js" cookie
set req.http.Cookie = regsuball(req.http.Cookie, "has_js=[^;]+(; )?", "");
# Remove any Google Analytics based cookies
set req.http.Cookie = regsuball(req.http.Cookie, "__utm.=[^;]+(; )?", "");
# Remove the Quant Capital cookies (added by some plugin, all __qca)
set req.http.Cookie = regsuball(req.http.Cookie, "__qc.=[^;]+(; )?", "");
# 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=[^;]+(; )?", "");
# Are there cookies left with only spaces or that are empty?
if (req.http.cookie ~ "^ *$") {
unset req.http.cookie;
}
# Cache the following files extensions
if (req.url ~ "\.(css|js|png|gif|jp(e)?g|swf|ico)") {
unset req.http.cookie;
}
# Normalize Accept-Encoding header and compression
# https://www.varnish-cache.org/docs/3.0/tutorial/vary.html
if (req.http.Accept-Encoding) {
# Do no compress compressed files...
if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg)$") {
unset 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 {
unset req.http.Accept-Encoding;
}
}
# Check the cookies for wordpress-specific items
if (req.http.Cookie ~ "wordpress_" || req.http.Cookie ~ "comment_") {
return (pass);
}
if (!req.http.cookie) {
unset req.http.cookie;
}
# --- End of WordPress specific configuration
# Did not cache HTTP authentication and HTTP Cookie
if (req.http.Authorization || req.http.Cookie) {
# Not cacheable by default
return (pass);
}
# Cache all others requests
return (hash);
##
##Ordner exkludieren
if (req.url ~ "^/foren(.*)") {
return(pass);
}
## Echte IP
unset req.http.X-Forwarded-For;
if (req.http.cf-connecting-ip) {
set req.http.X-Forwarded-For = req.http.cf-connecting-ip;
} else {
set req.http.X-Forwarded-For = client.ip;
}
if (req.method == "PURGE") {
if (!client.ip ~ purge) {
return(synth(405,"Not allowed."));
}
return (purge);
}
# if (req.url ~ "\.(gif|jpg|jpeg|swf|ttf|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, "\?.*$", "");
# }
#
# if (req.url ~ "wp-(login|admin)" || req.url ~ "preview=true" || req.url ~ "xmlrpc.php") {
# return (pass);
# }
#
# if (req.http.cookie) {
# if (req.http.cookie ~ "(wordpress_|wp-settings-)") {
# return(pass);
# } else {
# unset req.http.cookie;
# }
# }
}
###
sub vcl_pipe {
return (pipe);
}
sub vcl_pass {
return (fetch);
}
# The data on which the hashing will take place
sub vcl_hash {
hash_data(req.url);
if (req.http.host) {
hash_data(req.http.host);
} else {
hash_data(server.ip);
}
# If the client supports compression, keep that in a different cache
if (req.http.Accept-Encoding) {
hash_data(req.http.Accept-Encoding);
}
return (lookup);
}
###
# Drop any cookies WordPress tries to send back to the client.
#sub vcl_backend_response {
#
# if ( (!(bereq.url ~ "(wp-(login|admin)|login)")) || (bereq.method == "GET") ) {
# unset beresp.http.set-cookie;
# set beresp.ttl = 1h;
# }
#
# if (bereq.url ~ "\.(gif|jpg|jpeg|swf|ttf|css|js|flv|mp3|mp4|pdf|ico|png)(\?.*|)$") {
# set beresp.ttl = 365d;
# }
#
#}
sub vcl_deliver {
if (obj.hits > 0) {
set resp.http.X-Cache = "HIT";
} else {
set resp.http.X-Cache = "MISS";
}
# Remove some heanders: Varnish
unset req.http.X-Forwarded-For;
if (req.http.cf-connecting-ip) {
set req.http.X-Forwarded-For = req.http.cf-connecting-ip;
} else {
set req.http.X-Forwarded-For = client.ip;
}
return (deliver);
#
}
sub vcl_hit {
if (req.method == "PURGE") {
return(synth(200,"OK"));
}
}
sub vcl_miss {
if (req.method == "PURGE") {
return(synth(404,"Not cached"));
}
}
#####
sub vcl_init {
return (ok);
}
sub vcl_fini {
return (ok);
}
#####
Momentan ist diese VCL-Datei leider ziemlich unaufgeräumt, man sollte aber noch verstehen können was Varnish damit macht. Wie ihr hier sehen könnt wird in meinem Blog alles bis auf das Forum und die Suchergebnisse gecached. Alle Requests von angemeldeten Benutzern und die POST-Requests (z.B. bei Kommentaren) werden ebenfalls nicht gecached.
