I think you are looking for something different.

do this:

print "<pre>";
print_r($_SERVER);
print "</pre>";

You will see a whole bunch of useful globals. As a matter of fact, try this
one out too:

print "<pre>";
print_r($GLOBALS);
print "</pre>";

Jim Grill
Support
Web-1 Hosting
http://www.web-1hosting.net
----- Original Message -----
From: "Bob Lockie" <[EMAIL PROTECTED]>
To: "Dennis Gearon" <[EMAIL PROTECTED]>; "Tech Support"
<[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Sunday, July 28, 2002 1:19 PM
Subject: Re: [PHP] php 'mail()' security


>
> >There is no substitute for good data verification such as strip_tags() or
> >some regular expressions to limit valid input. I also would recomend
> >checking the referrer to be sure someone doesn't hijack you form and try
to
> >modify it and submit it from a remote location. Here is an example:
> >
> >if (validReferrer() === false)
> > die("invalid referrer");
> >
> >function validReferrer()
> >{
> > $_valid_referrers =
> >array("www.yoursite.com","www2.yoursite.com","yoursite.com");
> > $referer = str_replace('//', '/', $_SERVER['HTTP_REFERER']);
> > $ref = explode('/', $referer);
> > if ( in_array($ref[1], $_valid_referrers) )
> >  return true;
> > else
> >  return false;
> >}
>
> That is a good idea.
> $_SERVER['HTTP_REFERER'] is the web server identifier, right?
> My web server is 10.0.0.5 from the internal LAN.
> I am hesitant to allow HTTP_REFERERs from 10.0.0.5 because it seems to me
that it would be easy enough to configure a strange box
> to imitate 10.0.0.5.
> Can I somehow check that the HTTP_REFERER = localhost?
>
>
>
>
>



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