Re: Protecting Commercial PHP Scripts

[Mark-Walter@xxxxxxxxxxx]

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']);
}

-- 
Best Regards,

Mark

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