this technique always worked for me: http://www.houseoffusion.com/groups/cf-talk/thread.cfm/threadid:50692 (linked provided 'cos H.O.F was easier than trawling thru cfaussie archivews)
but I have to ask... you're not storing the captcha in a session variable, are you? cheers b On 5/1/07, Stephen M <[EMAIL PROTECTED]> wrote: > > We want to force the expiry of a page, ie purge from the browser cache > immediately. I have Alagad catcha on this page and I don't want users > to see they same captcha if they hit the back button. > > The help files suggest this. > > <cfheader name="Expires" value="#GetHttpTimeString(Now())#"> > > But it just doesn't work, maybe I'm using it wrong. I put it at the > very top of the cfm file. Where should it go? > > Another guy suggest that we use an apache setting to achive the same > result, would that be better? > > thanks, > Stephen > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "cfaussie" group. To post to this group, send email to cfaussie@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en -~----------~----~----~----~------~----~------~--~---
