* Thus wrote [EMAIL PROTECTED]:
> Hi Dirk,
> 
> > I found this one very usefull:
> > http://shiflett.org/php-security.pdf 
> 
> Nice docu *g*
> 
> Does someone use this code out from the
> docu mentioned aboved ?
> 
> It work's for me only under Explorer, Netscape
> switch to exit.
> 
> #
> # Verify HTTP Header
> #
> 
> if (isset($_SESSION['HTTP_USER_AGENT'] ))
> {
>    if ($_SESSION['HTTP_USER_AGENT'] != 
>       md5($SERVER['HTTP_USER_AGENT']))
>    {
>       exit;
>    }
> } 
> else {
>    $_SESSION['HTTP_USER_AGENT'] = md5($_SERVER['HTTP_USER_AGENT']);
> }

If your using the same session for IE and netscape, the behaviour
you are experiencing demonstrates how this can prevent session
hijacking.  Netscape, using its own session should work fine.



Curt
-- 
Quoth the Raven, "Nevermore."

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