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server {
listen 8081;
server_name www.example.com;
rewrite ^(.*) http://example.com$1 permanent;
}
server {
listen 8081 default_server;
server_name example.com;
....................
}
Varnish
Stop nginx and varnish
Config varnish vi /etc/varnish/default.vcl (for wordpress)
#
# This is an example VCL file for Varnish.
#
# It does not do anything by default, delegating control to the
# builtin VCL. The builtin VCL is called when there is no explicit
# return statement.
#
# See the VCL chapters in the Users Guide at https://www.varnish-cache.org/docs/
# and http://varnish-cache.org/trac/wiki/VCLExamples for more examples.
# Update for work with Varnish 4
# Marker to tell the VCL compiler that this VCL has been adapted to the
# new 4.0 format.
vcl 4.0;
# Default backend definition. Set this to point to your content server.
backend default {
.host = "127.0.0.1";
.port = "8081";
.connect_timeout = 600s;
.first_byte_timeout = 600s;
.between_bytes_timeout = 600s;
.max_connections = 800;
}
# Only allow purging from specific IPs
acl purge {
"localhost";
"127.0.0.1";
}
# This function is used when a request is send by a HTTP client (Browser)
sub vcl_recv {
# Normalize the header, remove the port (in case you're testing this on various TCP ports)
set req.http.Host = regsub(req.http.Host, ":[0-9]+", "");
# Allow purging from ACL
if (req.method == "PURGE") {
# If not allowed then a error 405 is returned
if (!client.ip ~ purge) {
return(synth(405, "This IP is not allowed to send PURGE requests."));
}
# If allowed, do a cache_lookup -> vlc_hit() or vlc_miss()
return (purge);
}
# 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);
}
# Unset Cookies except for WordPress admin and WooCommerce pages
if (!(req.url ~ "(wp-login|wp-admin|wc-ajax|cart|my-account/*|checkout|addons|logout|lost-password|product/*)")) {
unset req.http.cookie;
}
# Pass through the WooCommerce dynamic pages
if (req.url ~ "^/(cart|my-account/*|checkout|wc-ajax|addons|logout|lost-password|product/*)") {
return (pass);
}
# Pass through the WooCommerce add to cart
if (req.url ~ "\?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);
}
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);
}
# This function is used when a request is sent by our backend (Nginx server)
sub vcl_backend_response {
# Remove some headers we never want to see
unset beresp.http.Server;
unset beresp.http.X-Powered-By;
# 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;
#}
#Only allow cookies to be set if we're in admin area and WooCommerce pages
# Unset Cookies except for WordPress admin and WooCommerce pages
if ( (!(bereq.url ~ "(wp-login|wp-admin|login|cart|my-account/*|checkout|addons|logout|lost-password|product/*)")) || (bereq.method == "GET") ) {
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);
}
# The routine when we deliver the HTTP request to the user
# Last chance to modify headers that are sent to the client
sub vcl_deliver {
if (obj.hits > 0) {
set resp.http.X-Cache = "Hit";
} else {
set resp.http.x-Cache = "Miss";
}
# Remove some headers: PHP version
unset resp.http.X-Powered-By;
# Remove some headers: Apache version & OS
unset resp.http.Server;
# Remove some heanders: Varnish
unset resp.http.Via;
unset resp.http.X-Varnish;
return (deliver);
}
sub vcl_init {
return (ok);
}
sub vcl_fini {
return (ok);
}
Config varnish vi /etc/varnish/varnish.params
# Varnish environment configuration description. This was derived from
# the old style sysconfig/defaults settings
# Set this to 1 to make systemd reload try to switch vcl without restart.
RELOAD_VCL=1
# Main configuration file. You probably want to change it.
VARNISH_VCL_CONF=/etc/varnish/default.vcl
# Default address and port to bind to. Blank address means all IPv4
# and IPv6 interfaces, otherwise specify a host name, an IPv4 dotted
# quad, or an IPv6 address in brackets.
VARNISH_LISTEN_ADDRESS=
VARNISH_LISTEN_PORT=80
# Admin interface listen address and port
VARNISH_ADMIN_LISTEN_ADDRESS=127.0.0.1
VARNISH_ADMIN_LISTEN_PORT=6082
# Shared secret file for admin interface
VARNISH_SECRET_FILE=/etc/varnish/secret
# Backend storage specification, see Storage Types in the varnishd(5)
# man page for details.
VARNISH_STORAGE="file,/var/lib/varnish/varnish_storage.bin,1G"
# Default TTL used when the backend does not specify one
VARNISH_TTL=120
# User and group for the varnishd worker processes
VARNISH_USER=varnish
VARNISH_GROUP=varnish
# Other options, see the man page varnishd(1)
#DAEMON_OPTS="-a :80 -p thread_pool_min=5 -p thread_pool_max=500 -p thread_pool_timeout=300"
DAEMON_OPTS="-a :80 \
-T localhost:6082 \
-f /etc/varnish/default.vcl \
-S /etc/varnish/secret \
-s malloc,256m"
check varnish cli: varnishstat
check varnish listening on port 80: netstat -tulpn (Notice: check varnish listening on port 80 TCP(ipv4) and TCP6(ipv6) )
