[squid-users] How to make squid proxy server cache response with vary: * in header?

curl -x localhost:3128 --silent -o /dev/null --dump-header /dev/stdout
http://stackoverflow.com
HTTP/1.1 200 OK
Cache-Control: public, max-age=18
Content-Type: text/html; charset=utf-8
Expires: Tue, 08 Apr 2014 02:00:38 GMT
Last-Modified: Tue, 08 Apr 2014 01:59:38 GMT
Vary: *
X-Frame-Options: SAMEORIGIN
Date: Tue, 08 Apr 2014 02:00:18 GMT
Content-Length: 212147
X-Cache: MISS from sylviosuse11
X-Cache-Lookup: MISS from sylviosuse11:3128
Via: 1.1 sylviosuse11 (squid/3.4.4)
Connection: keep-alive

-- 
Att,
Sylvio C�sar,