backend default {
.host = "109.75.163.xx";
/*specifying localhost never worked on my cpanel servers, probably owing to default user restrictsions, so I enter public IP address of backend */
.port = "8081";
.connect_timeout = 600s;
.first_byte_timeout = 600s;
.between_bytes_timeout = 600s;
}
sub vcl_recv {
if (req.request != "GET" &&
req.request != "HEAD" &&
req.request != "PUT" &&
req.request != "POST" &&
req.request != "TRACE" &&
req.request != "OPTIONS" &&
req.request != "DELETE") {
/* Non-RFC2616 or CONNECT which is weird. */
return (pipe);
}
if (req.request != "GET" && req.request != "HEAD") {
# We only deal with GET and HEAD by default
return (pass);
}
# Normalize Content-Encoding
if (req.http.Accept-Encoding) {
if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|lzma|tbz)(\?.*|)$") {
remove req.http.Accept-Encoding;
} elsif (req.http.Accept-Encoding ~ "gzip") {
set req.http.Accept-Encoding = "gzip";
} elsif (req.http.Accept-Encoding ~ "deflate") {
set req.http.Accept-Encoding = "deflate";
} else {
remove req.http.Accept-Encoding;
}
}
# Remove Google Analytics and has_js cookies.
if (req.http.Cookie) {
set req.http.Cookie = regsuball(req.http.Cookie, "(^|; ) *__utm.=[^;]+;? *", "\1");
set req.http.Cookie = regsuball(req.http.Cookie, "(^|; ) *has_js=[^;]+;? *", "\1");
}
if (req.http.Cookie == "") {
remove req.http.Cookie;
}
# Remove cookies and query string for real static files
if (req.url ~ "^/[^?]+\.(jpeg|jpg|png|gif|ico|js|css|txt|gz|zip|lzma|bz2|tgz|tbz|html|htm)(\?.*|)$") {
unset req.http.cookie;
set req.url = regsub(req.url, "\?.*$", "");
}
# Remove cookies from front page
if (req.url ~ "^/$") {
unset req.http.cookie;
}
# Remove a ";" prefix, if present.
set req.http.Cookie = regsub(req.http.Cookie, "^;\s*", "");
# Skip the Varnish cache for install, update, and cron
if (req.url ~ "install\.php|update\.php|cron\.php") {
return (pass);
}
#Let's have a little grace
set req.grace = 30s;
return (lookup);
}
sub vcl_fetch {
if (req.url ~ "^/$") {
unset beresp.http.cookie;
}
}
sub vcl_error {
set obj.http.Content-Type = "text/html; charset=utf-8";
set obj.http.Retry-After = "5";
synthetic {"
"} + obj.status + " " + obj.response + {"
Error "} + obj.status + " " + obj.response + {"
"} + obj.response + {"
Guru Meditation:
XID: "} + req.xid + {"
Varnish cache server
"};
return (deliver);
}