Cache Static Content and also fix the Vary response header (Commonly needed when origin is responding with: Vary: Accept-Encoding,User-Agent)

staticCachingWithVaryFix.vcl

#Varnish 4 config below

sub vcl_recv {
    
    #Add font files to be cached as static caching checkbox misses .woff
    if (req.url ~ ".*\.(?:css|js|jpe?g|png|gif|ico|swf|woff)(?=\?|&|$)") {
        return (hash);
    }
}

sub vcl_backend_response {
    
    #Add font files to be cached as static caching checkbox misses .woff
    if (beresp.status < 400) {
        if (bereq.url ~ ".*\.(?:css|js|jpe?g|png|gif|ico|swf|woff)(?=\?|&|$)") {
            set beresp.http.Vary = "Accept-Encoding";
            set beresp.ttl = 1d;
            unset beresp.http.set-cookie;
            return (deliver);
        }
    }
}