One of the most critical security concepts is permissions management: ensuring that proper permissions are set with users – and that usually means knowing the difference between share and NTFS permissions. Show
Share and NTFS permissions function completely separately from each other, but ultimately serve the same purpose: to prevent unauthorized access. Get the Free Pen Testing Active Directory Environments EBookHowever, when NTFS and share permissions interact or when a shared folder is in a separate shared folder with different share permissions, users might not be able to access their data or they can get higher levels of access than security admins intend. Here are key differences between share and NTFS permissions so you’ll know what to do. What is NTFS?A file system is a way of organizing a drive, indicating how data is stored on the drive and what types of information can be attached to files, such as permissions and file names. NTFS (NT File System) stands for New Technology File System (NTFS). NTFS is the latest file system that the Windows NT operating system uses for storing and retrieving files. Prior to NTFS, the file allocation table (FAT) file system was the primary file system in Microsoft’s older operating systems, and was designed for small disks and simple folder structures. NTFS file system supports larger file sizes and hard drives and is more secure than FAT. Microsoft first introduced NTFS in 1993 with the release of Windows NT 3.1. It is the file system used in Microsoft’s Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, Windows 2000, and Windows NT operating systems. NTFS PermissionsNTFS permissions are used to manage access to the files and folders that are stored in NTFS file systems. To see what kind of permissions you will be extending when you share a file or folder:
All then you’ll navigate this window:  Besides Full Control, Change, and Read that can be set for groups or individually, NTFS offer a few more permission options:
If you’ve ever involved in permissions management within your organization, you’ll eventually encounter ‘broken’ permissions. Rest assured, they’re repairable. Share PermissionsWhen you share a folder and want to set the permissions for that folder – that’s a share. Essentially, share permissions determine the type of access others have to the shared folder across the network. To see what kind of permissions you will be extending when you share a folder:
And you’ll navigate to this window: There are three types of share permissions: Full Control, Change, and Read.
A Caveat on Share PermissionsSometimes, when you have multiple shares on a server which are nested beneath each other, permissions can get complicated and messy. For instance, if you have a “Read” folder in a subfolder share permission but then someone creates a “Modify” share permission above it at a higher root, you may have people getting higher levels of access then you intend. There’s a way around this, which I’ll get to below. How to Use Share and NTFS Permissions TogetherOne of the common questions that comes up when you’re configuring security is “what happens when share and NTFS permissions interact with each other?” When you are using share and NTFS permissions together, the most restrictive permission wins. Consider the following examples:If the share permissions are “Read”, NTFS permissions are “Full control”, when a user accesses the file on the share, they will be given “Read” permission. If the share permissions are “Full Control”, NTFS permissions are “Read”, when a user accesses the file on the share, they will still be given a “Read” permission. Managing NTFS Permissions and Share PermissionsIf you find working with two separate sets of permissions to be too complicated or time consuming to manage, you can switch to using only NTFS permissions. When you look at the examples above, with just three types of permissions setting, shared folder permissions provide limited security for your folders. Therefore, you gain the greatest flexibility by using NTFS permissions to control access to shared folders. Moreover, NTFS permissions apply whether the resource is accessed locally or over the
network. You can then make whatever changes you want to the NTFS permissions without having to worry about the share permissions interfering with your changes. Michael BuckbeeMichael has worked as a sysadmin and software developer for Silicon Valley startups, the US Navy, and everything in between. What are the three standard Linux permissions?read – The Read permission refers to a user's capability to read the contents of the file. write – The Write permissions refer to a user's capability to write or modify a file or directory. execute – The Execute permission affects a user's capability to execute a file or view the contents of a directory.
What are the basic Linux file permissions check all that apply?Check all that apply. The three basic file permissions in Linux are read, write, and execute.
Which of the following commands grants RW permissions for the group sales to all new files that will be created in the data directory and all of its subdirectories?7. Which of the following commands grants rw permissions for the group sales to all new files that will be created in the /data directory and all of its subdirectories? a. Explanation: The umask is a systemwide setting and cannot be used to apply to specific directories only.
Which common e mail protocol allows the user to access messages yet still have them stored on the server?Internet Message Access Protocol, or IMAP, is a standard email retrieval (incoming) protocol. It stores email messages on a mail server and enables the recipient to view and manipulate them as though they were stored locally on their device(s).
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When dealing with permissions in Linux What are the three user types that can be assigned permissions choose three?
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