RE: ASP security in HTML pages

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Date: Wed, 23 Jun 2004 09:36:55 -0400
To: Bénoni MARTIN <Benoni.MARTIN@libertis.ga>, <security-basics@securityfocus.com>, <webappsec@securityfocus.com>

Martin,

 I am not quite sure what you are asking?

        Are you asking about 'Classic' asp? Classic ASP code is intertwined with HTML in a .ASP file. It is executed server side. The end user cannot 'see' the ASP code, even if they look at the source because the code is executed at run time and never sent to the browser. So long as your server and the original code is secure then end users can't see the code.

        Are you talking about client-side VBScript/JavaScript that runs in the browser? If so, it is very hard to hide that from the browser because the browser needs to be able to read it to execute the code.

        Or, are you talking about an ASP application that you plan on selling/deploying and putting on a clients' server. And not wanting them to get access to the code? If this is the case, and you are using ASP.NET you can use the code obfuscator to blur the code. If you're using classic ASP, I believe you are S.O.O.L.

HTH,
--Yonah

-----Original Message-----
From: Bénoni MARTIN [mailto:Benoni.MARTIN@libertis.ga]
Sent: Tuesday, June 22, 2004 7:42 AM
To: security-basics@securityfocus.com; webappsec@securityfocus.com
Subject: ASP security in HTML pages

Hi list,

I have been googling around to know how secure can be ASP code, and I found what follows:
- For a newbee, impossible to get the asp scripts inserted in an HTML page as they are not displayed in the client's browser,
- Instead of just letting the ASP code in the HTML pages, we can create some DLLs for example, but a not-to-bad skilled hacker can get and reverse them.

So, my question to you, skilled-people :) is: is there a way to get the asp scripts in a page the server does not send when a client's request arrives? There should be a way to ^perform that, but how tough is it?

Thanks in advance, folks!

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• Previous message: Keith Cirelli: "Re: Windows patch mgmt."
• Maybe in reply to: Bénoni MARTIN: "ASP security in HTML pages"
• Next in thread: Scovetta, Michael V: "RE: ASP security in HTML pages"
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