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@rachelandrew
Created July 26, 2015 15:38
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Varnish VCL example
# 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.
#
vcl 4.0;
backend default {
.host = "127.0.0.1";
.port = "8080";
}
sub vcl_recv {
# Remove any Google Analytics based cookies
set req.http.Cookie = regsuball(req.http.Cookie, "__utm.=[^;]+(; )?", "");
set req.http.Cookie = regsuball(req.http.Cookie, "_ga=[^;]+(; )?", "");
set req.http.Cookie = regsuball(req.http.Cookie, "_gat=[^;]+(; )?", "");
set req.http.Cookie = regsuball(req.http.Cookie, "utmctr=[^;]+(; )?", "");
set req.http.Cookie = regsuball(req.http.Cookie, "utmcmd.=[^;]+(; )?", "");
set req.http.Cookie = regsuball(req.http.Cookie, "utmccn.=[^;]+(; )?", "");
# Remove Optimizely Cookies
set req.http.Cookie = regsuball(req.http.Cookie, "optim.=[^;]+(; )?", "");
# Remove Gauges Cookies
set req.http.Cookie = regsuball(req.http.Cookie, "_gau.=[^;]+(; )?", "");
# Remove a ";" prefix in the cookie if present
set req.http.Cookie = regsuball(req.http.Cookie, "^;\s*", "");
# Are there cookies left with only spaces or that are empty?
if (req.http.cookie ~ "^\s*$") {
unset req.http.cookie;
}
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.method != "GET" &&
req.method != "HEAD" &&
req.method != "PUT" &&
req.method != "POST" &&
req.method != "TRACE" &&
req.method != "OPTIONS" &&
req.method != "DELETE") {
/* Non-RFC2616 or CONNECT which is weird. */
return (pipe);
}
if (req.method != "GET" && req.method != "HEAD") {
/* We only deal with GET and HEAD by default */
return (pass);
}
if ( (req.http.host ~ "^(?i)smashing_ssl_one.tutorials.eoms") && req.http.X-Forwarded-Proto !~ "(?i)https") {
set req.http.x-redir = "https://" + req.http.host + req.url;
return (synth(750, ""));
}
return (hash);
}
# handles redirecting from http to https
sub vcl_synth {
if (resp.status == 750) {
set resp.status = 301;
set resp.http.Location = req.http.x-redir;
return(deliver);
}
}
sub vcl_backend_response {
set beresp.ttl = 10s;
set beresp.grace = 1h;
}
sub vcl_deliver {
if (obj.hits > 0) { # Add debug header to see if it's a HIT/MISS and the number of hits, disable when not needed
set resp.http.X-Cache = "HIT";
} else {
set resp.http.X-Cache = "MISS";
}
}
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