Just a word to the wise, but "Expires: -1" will trip up some proxies. HTTP/1.1 clients are supposed to treat invalid date formats as being in the past -- but they don't always get it right. It is safer to use an actual date:
Expires: Thu, 01 Dec 1994 16:00:00 GMT On May 17, 2:04 pm, Bil Corry <[EMAIL PROTECTED]> wrote: > Charles Capps wrote on 5/17/2007 11:51 AM: > > > When in doubt, whack'em all. > > > Pragma: no-cache > > Cache-control: no-cache, must-revalidate > > Expires: (some date in the past in the proper format) > > I'm not sure which one IE follows, but here's mine: > > Expires: -1 > Last-Modified: Thu, 17 May 2007 18:59:28 GMT > Cache-Control: no-store, no-cache, must-revalidate, no-transform, > max-age=0, post-check=0, pre-check=0 > Pragma: no-cache > Vary: * > Etag: "7F0000010c9fb1C4D8lUXr1BEFAD" > > Last-Modified is the current date/time at GMT, Etag is just a random value on > every page serve (don't make it a constant value). > > - Bil
