What is the difference between permissions and security




















Many users who migrate from Windows 9x to Windows may not be familiar with NTFS permissions and, specifically, how they differ from share permissions.

Understanding NTFS permissions and share permissions is critical to securely sharing local resources with others on the network. Here's a quick look at the basic differences between share and NTFS permissions, along with some recommendations about using each. Share vs. NTFS Share permissions are the permissions you set for a folder when you share that folder.

The share permissions determine the type of access others have to the shared folder across the network. There are three types of share permissions: Full Control, Change, and Read. NTFS permissions determine the action users can take for a folder or file both across the network and locally.

Unlike share permissions, NTFS permissions offer several other permissions besides Full Control, Change, and Read that can be set for groups or individually. Effective Permissions is the cumulative permissions a user has for accessing a resource based on his or her individual permissions, group permissions, and group membership.

These standard file and folder permissions are actually composed of various groupings of six NTFS special permissions:. The Write Attributes permission does not imply creating or deleting files or folders, it only includes the permission to make changes to the attributes of a file or folder. Once the bytes come off the disk, the file system has no control any more over what the user does with them.

Permissions are important because when you share something in Windows, you actually assign a set of permissions to a specific user account or user group.

A shared folder can only be accessed by someone with a user account that has the permission to access that folder. Skip to content Investments Shares Stock market. Simply put, share permissions allow you to control who accesses folders over the network they will not apply to those users who are accessing locally. In share permissions, you cannot control access to individual subfolders or objects on a share. Instead, share permissions apply to all of the files and folders within the share.

As is suggested by the name, Full Control grants users the right to read, change and control permissions for NTFS files and folders. This is the highest level of privilege granted by share permissions administrators will likely hold Full Control.

Control permissions allow users to make changes to files and subfolders including deleting , and Read permissions allows users only to view the data. Unlike share permissions, NTFS permissions affect both network and local users. The types of NTFS permissions available are similar to share permissions but go into a bit more detail.

Most of these are self-explanatory, and similar to share permissions.



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