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Mounting NFS Exports from a Unix Server on Windows 10 or Windows Server

| Dan Piazza | | 2 Comments
While you’re more likely to be familiar with accessing network file shares via Server Message Block (SMB), or the Windows implementation of SMB (CIFS), the Network File System (NFS) is still prevalent in modern production environments, such as on Unix servers like NetApp ONTAP and Dell EMC Isilon/PowerScale OneFS. Originally designed in 1984 at Sun Microsystems with roots in Unix, NFS is an open standard for distributing a file system across a network for multi-client access. Currently at …
How to Create and Mount NFS Exports on CentOS Linux

How to Create and Mount NFS Exports on CentOS Linux

| Dan Piazza | | 2 Comments
NFS, the Network File System, is a common method for sharing files over a network from a Unix host. In this blog, we’ll go over how to create NFS exports (i.e., shares) on a CentOS 8 host, as well as how to mount those exports from a Linux client. NFS exports are supported on most Linux distributions, although the specific required packages may differ per your distro (e.g., CentOS/RHEL, Ubuntu, etc.). However, the overall workflow and methodology will be the same. To start, you need a L…

NTFS File Streams – What Are They?

| Anthony Sarra | | 2 Comments
NTFS file streams, also known as alternate data streams (ADS), are part of every file, as well as directories (folders), in a Windows NTFS volume.  NTFS files and folders are comprised of attributes one of which is $Data.  The content we normally associate with a file such as the text in a .txt file or the executable code in a .exe file is stored in the ‘default’ $Data attribute or ‘stream’.  The name string of this default attribute is empty (set to “”) thus it is often referr…

Improving the Accuracy of Detecting Deleted Resources

In the File Systems Data Collector for StealthAUDIT, we collect various types of information about files and folders including permissions, file size, activity data, sensitive data, etc. One of the most important aspects of a file system resource (file, folder, or share) is “does that resource still exist”? While this might on the surface seem like one of the easiest things to collect, there was a range of mitigating factors that limited the accuracy in which we could report on this info…

The Open Share Epidemic

Open Access or unrestricted file share access is an inevitable condition that exists in most, if not all, enterprise environments. Many organizations create ‘Open Shares’ to allow end-users an easy way to access resources. What is an Open Share? These shares are open in the sense that access to them is unrestricted at both the Share and NTFS levels, meaning most end users can access them. This is achieved by the use of ‘Open Access Groups’ such as the built-in groups listed below: E…

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