I'm pretty sure that refers to the HTTP version, so HTTP/1.1 not Varnish's version. Cheers Dave On 14/10/2008, at 9:04 PM, Ajian wrote: > > Date > Tue, 14 Oct 2008 09:37:00 GMT > X-Varnish > 681905755 681731196 > Age > 12553 > Via > 1.1 varnish > > (why the firebug display the varnish is 1.1 ,is not 2.0. Is it the > HTTP 1.1 ?)