RE: Prevent security bypass

Here's one method of securing through IIS:

• Open up Internet Service Manager
• Find the directory or file(s) you wish to secure (they can been anything from txt to pdf to html to whatever) in the tree on the left-hand side (if a directory - right-hand side for individual file lock-down)
• Right-click the directory / file and select Properties
• If securing a file, select the File Security tab, if securing a directory, select the Directory Security tab
• Select the Edit button in the top third of the property sheet
• Modify the security here I suggest turning off Anonymous access if you want to secure the documents, and turning on Challenge/Response (NTLM) authentication if you're users are all logged in on the network, or using Basic authentication if you wish for a username/password dialog to prompt them. Make sure all the accounts you wish to access it have accounts in the specified domain.

HTH!
Mark.

	Mark McDonald | CGL
		it | web developer

-----Original Message-----
From: Chris Neil [mailto:Chris.Neil@abs-ltd.com] Sent: Wednesday, February 05, 2003 1:00 AM To: 'webappsec@securityfocus.com'
Subject: Prevent security bypass

I am new to this mailing list and so hope this conforms to the guidelines as I read them.

How do people address the issue of non-authenticated users requesting html pages directly from a site without logging in?

FYI. This is an IIS server. Our asp pages check the user is logged in, but with html pages we cannot.
My only idea so far is to convert all our html pages to asp. Is there anything less drastic?

Chris Neil
  Security Officer
  Chris.Neil@abs-ltd.com

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