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Validating File Attachments in Sharepoint list(people and group)

Hi,
I have following need.

1)In People and group list in Sharepoint i am able to upload .txt files with malicious attachments.

Login > Site Actions > Site Settings > People and Groups > Click on any user > Click Edit Item > Click Attach File > Click Ok

2)To prevent it i need to either

  a)Completly disable the attchments in the User Information list.In that case none of the user including Admin will be able to upload files.
 b)Allow attachments to some perticular users by assigning permissions or something but not to other normal users.

  Is it possible to create any permission levels or something in User information list allowing  File attchments only for couple of users as opposed to disabling it for all users.

3)To mention i have no access to code and i am required to do tis only in Browser in form of configuration and settings.

   
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sukeshjh
Asked:
sukeshjh
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1 Solution
 
AmitKBCommented:
Well, What if only specific user/group can download the attachmnet? Will that work for you?
We can do that easily.

Amit
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sukeshjhAuthor Commented:
Hi AmitKB,
It is not about downloading attachments.I have to disable attaching malicious files to list item.Even if Sharepoint prevents users attaching files of extensions .exe but still there is chance for malicious users attaching text files which have  executables.

  Except a few admin users nobody else should have permissions  to attach files to People and group.

As People and group(User information list) is a list.If you can find me a general solution for doing the same for sharepoint list in Admin side i think the same will go fine with User information list.
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AmitKBCommented:
You can attach a workflow using SharePoint designer to that list for new item created and updated.
Whenever those two events occurs you can delete the attachment or do the rollback.

I don't know how to get "People and Group" list to attach the workflow.
Amit
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sukeshjhAuthor Commented:
Partial Solution.Did not provide correct details to approach.trobleshoot the problem and solving while staying within the constraint.
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