On Fri, Jan 16, 2009 at 11:27 AM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote: > howard chen wrote: >> >> Hello, > (1) Is that "Vary: *" exact header, or Vary: with some header names? Exactly "Vary: *" > (2) do the pages have "Cache-Control: must-revalidate" ? > or does squid.conf have a short refresh_pattern age with override-expires > that matches you pages. > The header was sent-out by Apache 1.3x mod_gzip, the page is supposed to be cached (standard JS and CSS files) no custom refresh_pattern being set. Thanks.