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From "Allistair Crossley" <Allistair.Cross...@QAS.com>
Subject RE: Prevent user from retrieving previous page in jsp/servlet
Date Mon, 06 Dec 2004 17:10:48 GMT
response.setDateHeader("Last-Modified", System.currentTimeMillis/());
                                                                ^^^
is invalid .. 

> -----Original Message-----
> From: Karl Ostendorf [mailto:chicagokarl@gmail.com]
> Sent: 06 December 2004 17:03
> To: Tomcat Users List
> Subject: Re: Prevent user from retrieving previous page in jsp/servlet
> 
> 
> This is an interesting question.  I have created a ServletFilter that
> appends the following headers to all responses:
> 
> response.setHeader("Cache-Control", "no-cache");
> response.setHeader("Pragma", "no-cache");
> response.setDateHeader("Last-Modified", System.currentTimeMillis/());
> response.setDateHeader("Expires", 0);
> 
> This doesn't work.  Firefox will serve the previous page out 
> of it's cache.
> 
> I'd be interested to know if anyone else has been able to 
> make this work.
> 
> Karl
> 
> 
> On Mon, 6 Dec 2004 08:54:29 -0500, Segree, Gareth
> <gareth.segree@gleanerjm.com> wrote:
> > I want to invalidate previous page if the back button is pressed.
> > The user should not get the previous page if they return to 
> it pressed.
> > 
> > 
> > Gareth Segree
> > mailto:Gareth.Segree@gleanerjm.com 
<mailto:Gareth.Segree@gleanerjm.com>
> Technical Support Analyst
> The Gleaner Company Ltd.
> 7 North Street
> Kingston
> Tel: 922-3400
> 
>

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