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  • Status: Solved
  • Priority: Medium
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How do I hide a script name in a variable?

I have a form that hackers are infiltrating. I want a way to "hide" the action= attribute of the form so that when they save my form to their computer to run scripts off of, it won't be able to find it.

OK, so now that I know that won't work - what can I do to the perl file so that it rejects anyone NOT coming from the correct server?
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trulygreat
Asked:
trulygreat
1 Solution
 
COBOLdinosaurCommented:
You can try this:
http://www.dynamicdrive.com/dynamicindex9/encrypter.htm

but they will have to be pretty lame to not be able to figure it out. You cannot do security from the client side.  You have to stop them on the server, bu modifying the script to detect unauthorized requests, or require a logonid and password managed from the database.

Cd&
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jpoesenCommented:
You can have your script parse your environment variables and act upon those.

a few interesting ones :
AUTH_TYPE
REMOTE_ADDR
REMOTE_HOST
REMOTE_IDENT
REMOTE_USER

HTTP_REFERER is also interesting.

usage :
$ENV(var)

example:
visitorIP = $ENV('REMOTE_ADDR')

Hope this is enough for your problem.
jpoesen
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mgfranzCommented:
Or set a session variable when a page prior to the from is loaded, (if you are on IIS), then check that variable in the form processing page.  If there, continue, else reject.

If ENV variable do not work for you, try a cookie that has the date/time of visit set in the page just prior to the form being loaded, then check this cookie in the form processing page for date/time up to -20 minutes, if false, reject.

Another way would be to write a cookie with the name of the form processing page in the cookie, since it is tied to your server, this make for a viable alternative.

Or, just process the form in the parent page;

<%
formVal = Request("action")

If formVal = "Do It" Then
    do this...
    Load the processing portin of the page
ElseIf formVal = "" Then
    do that
    Load the Form portion of the page
Else
End If

<form method=post>
...
<submit button name="action" value="Do It">

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