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Basic Varnish config for WP with CloudFront
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# /etc/systemd/system/varnish.service.d/customexec.conf | |
[Service] | |
ExecStart= | |
ExecStart=/usr/sbin/varnishd -a :80 -T localhost:6082 -f /etc/varnish/default.vcl -s default,64m |
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vcl 4.1; | |
backend default { | |
.host = "127.0.0.1"; | |
.port = "8080"; | |
} | |
acl purge { | |
"127.0.0.1"; | |
"localhost"; | |
} | |
sub vcl_recv { | |
if (req.method == "PURGE") { | |
if (!client.ip ~ purge) { | |
return (synth(405, "Not allowed.")); | |
} | |
ban("req.http.host ~ .*"); | |
return (synth(200, "Full cache cleared")); | |
} | |
if (req.http.Cache-Control ~ "no-cache") { | |
return (pass); | |
} | |
if (req.method != "GET" && req.method != "HEAD" && req.method != "OPTIONS" ) { | |
return (pipe); | |
} | |
if ( req.http.cookie ~ "wordpress_logged_in") { | |
return (pass); | |
} | |
if (req.url ~ "/wp-") { | |
return (pass); | |
} | |
# cache | |
unset req.http.cookie; | |
return (hash); | |
} | |
sub vcl_backend_response { | |
if (bereq.url !~ "/wp-" && bereq.http.cookie !~ "wordpress_logged_in") { | |
unset beresp.http.cache-control; | |
unset beresp.http.Set-Cookie; | |
unset beresp.http.expires; | |
set beresp.ttl = 1h; | |
} | |
} | |
sub vcl_deliver { | |
if (obj.hits > 0) { | |
set resp.http.X-Varnish-Cache = "HIT"; | |
set resp.http.X-Varnish-Cache-Hits = obj.hits; | |
} | |
else { | |
set resp.http.X-Varnish-Cache = "MISS"; | |
} | |
} |
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