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Access an encrypted folder that is inside a netword shared folder.

I have an encrypted folder, files are not encrypted, that in inside a folder that is a network share. I can view the files and open them but I cannot create either a new folder or file from the network.

My user is an administrative user ans has full control for both share and security.


Any ideas what the problem might be?  I have a requirement to have the files encrypted at rest. The files must be on a network share.
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jimmylew52
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jimmylew52
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1 Solution
 
ServerServiceCommented:
Well in windows only files can be encrypted but anyway lets see what can be done.

If you choose the folder setting "show encrypted files in alternate colour" you will be able to see what is encrypted .. in green colour normally.
Then see if any hidden files are there and unencrypt all with Admin acoount.

If still a problem copy all content out of the share and delete it . recreate it and move back files..
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ZabagaRCommented:
1. You must be doing this in a domain with EFS configured. If you're using workgroup sharing it will not work.  See the section "EFS in a Domain" in this link:
http://prowiki.isc.upenn.edu/wiki/EFS,_Encrypting_File_System

2. That link above notes that the computer doing the sharing has to be trusted for delegation.
The article above mentions this. Here's a link on how to: http://technet.microsoft.com/en-us/library/cc757963(v=ws.10).aspx

3. On this link: http://technet.microsoft.com/en-us/library/bb457116.aspx
Go to the section called "Remote EFS Operations on File Shares and Web Folders"
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jimmylew52Author Commented:
I have read the links provided and setup the encrypted folder after generating and installing the certificates.

When I try to open the file from the remote system throught the files share as the same user that built the share i get "access denied."
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ZabagaRCommented:
If I think of anything else I'll post!
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ServerServiceCommented:
Jimmu - you should check if the user is owner of theese files and see the users effective persmissions
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jimmylew52Author Commented:
User is owner of the files. Effective permissions is full control.
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jimmylew52Author Commented:
After much searching it is apparent tat encrypted files cannot be accessed through a share. I have found several articles stating it can be done but nothing has worked.
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Rich RumbleSecurity SamuraiCommented:
You use WebDav as stated above:
http://technet.microsoft.com/en-us/magazine/2006.05.howitworks.aspx
http://technet.microsoft.com/en-us/library/bb457116.aspx#EHAA
That means too that you need a CA on your domain.
-rich
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jimmylew52Author Commented:
Still having problems even with the ca.
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Rich RumbleSecurity SamuraiCommented:
Sorry, i gave up on EFS sooo long ago. It sounds like a great system to have, but as with anything in security, complexity is the enemy and EFS has plenty of complexity. You'd probably be better off using a webserver (over https) to serve files securely. And they can be encrypted by a variety of tools, even as simple a winzip/7zip for example.
-rich
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jimmylew52Author Commented:
I think I will do the same, Give up I mean.
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