Buffalo LinkStation 441, LS441DE, LS441D0404, LS441D0804, LS441D1204 User guide

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LinkStation 441

User Manual

www.buffalotech.com

35020488-02

2014.09

Contents
Chapter 1 Getting Started..............................................	6
Diagrams...........................................................................................	6
Changing Admin Password and Adding a Shared Folder..............	7
Installing Applications.....................................................................	8
NAS Navigator2..........................................................................................	8
SmartPhone Navigator..............................................................................	9
WebAccess...................................................................................................	9
Accessing Shared Folders.................................................................	9
Accessing from a Computer.......................................................................	9
Accessing from a Mobile Device................................................................	9
Turning the LinkStation On and Off................................................	9
Chapter 2 Configuration..............................................	11
Opening Settings from a Computer.............................................	11
Opening Settings from a Mobile Device......................................	15
Settings That Can Be Changed from Your Mobile Device......................	16
Chapter 3 Sharing Files................................................	18
Adding Shared Folders..................................................................	18
Configuration from a Computer..............................................................	18
Configuration from a Mobile Device.......................................................	19
Adding Users..................................................................................	20
Configuration from a Computer..............................................................	20
Configuration from a Mobile Device.......................................................	22
Adding Groups...............................................................................	23

Access Restrictions........................................................................	24
Local Users/Groups...................................................................................	24
Active Directory........................................................................................	26
NT Domain................................................................................................	28
User Authentication with an External SMB Server................................	30
Chapter 4 Managing Storage......................................	33
RAID Arrays....................................................................................	33
Working with RAID Arrays.............................................................	34
Using JBOD................................................................................................	34
Changing RAID Mode...............................................................................	34
RMM (RAID Mode Manager)....................................................................	35
RAID Scanning..........................................................................................	38
Adding an External Hard Drive.....................................................	38
Connect an External Drive.......................................................................	38
Compatibility............................................................................................	38
Dismounting Drives.......................................................................	39
Dismounting with the Function Button..................................................	39
Dismounting from Settings on a Computer...........................................	39
Dismounting from Settings on a Mobile Device....................................	40
Checking Drives.............................................................................	41
Formatting Drives..........................................................................	41
Erase Data on the LinkStation Completely..................................	43
Disk Quotas....................................................................................	44
Quotas for Users.......................................................................................	44
Quotas for Groups....................................................................................	44
Hard Drive Replacement...............................................................	45
Rebuilding the RAID Array from a Computer.........................................	46

Rebuilding the RAID Array from a Mobile Device	..................................48
Chapter 5 Remote Access.............................................	51
WebAccess......................................................................................	51
Configuring from a Computer.................................................................	51
Configuring from a Mobile Device..........................................................	54
FTP..................................................................................................	58
Chapter 6 Backup.........................................................	60
Back Up from the LinkStation.......................................................	60
Preparing a Backup Destination.............................................................	60
Configuring a Backup Job........................................................................	62
Backing Up Your Mac with Time Machine....................................	64
Copying from a USB Device...........................................................	67
Configuring Direct Copy from a Computer.............................................	67
Configuring Direct Copy from a Mobile Device.....................................	68
Starting Direct Copy.................................................................................	68
Chapter 7 Multimedia..................................................	70
DLNA...............................................................................................	70
Configuration from a Computer..............................................................	70
Configuration from a Mobile Device.......................................................	72
Playing Files..............................................................................................	72
Connected DLNA-compatible Devices....................................................	72
Streaming to DLNA-compatible Devices................................................	73
Disabling Playback from Specific Devices..............................................	74
iTunes Server..................................................................................	74
BitTorrent.......................................................................................	75

Connecting a Printer......................................................................	77
Setting Up a Printer from a Computer....................................................	77
Setting Up a Printer from a Mobile Device.............................................	79
USB Device Server..........................................................................	80
Connecting with Network-USB Navigator..............................................	80
Disconnecting USB Devices.....................................................................	81
Chapter 8 Advanced Features.....................................	82
Email Notification..........................................................................	82
Sleep Mode.....................................................................................	83
Encrypting Data Transmission......................................................	84
Encrypting Settings Data.........................................................................	84
Encrypting FTP Transfer Data..................................................................	84
SSL Encryption..........................................................................................	84
UPS (Uninterruptible Power Supply)............................................	85
Restoring Factory Defaults...........................................................	86
Initializing from Settings.........................................................................	86
Initializing with the Function Button......................................................	86
Online Update................................................................................	87
Name, Date, Time, and Language.................................................	87
Jumbo Frames................................................................................	89
Changing the IP Address...............................................................	90
Chapter 9 Utilities........................................................	91
NAS Navigator2 for Windows........................................................	91
Mount as Network Drive..........................................................................	93
Changing the IP Address..........................................................................	94

NAS Navigator2 for Mac OS..........................................................	94
Mount as Network Drive..........................................................................	95
Changing the IP Address..........................................................................	96
Chapter 10 Appendix...................................................	98
When the Power LED Blinks..........................................................	98
Default Settings...........................................................................	100
Specifications...............................................................................	100
Models..........................................................................................	101
Chapter 11 Regulatory Compliance Information....	102
For Customers in the United States............................................	102
For Customers in Europe.............................................................	102

Chapter 1 Getting Started

Diagrams

LS441D/LS441DE

Status LEDs

Normally, these LEDs blink green when hard drives are accessed. If a drive fails, its LED will turn red.

Power LED

The white power LED will light up while the LinkStation is on.

The white power LED blinks while booting or shutting down.

The red power LED blinks when an error occurs.

If there is a status message, the power LED blinks amber.

If there is new firmware available, the power LED glows amber.

3 Power Button

To power on, connect the power cable, then press the power button. To power off, hold down the power button for 3 seconds.

4 Function LED

This LED glows white while the LinkStation is being initialized and while dismounting USB devices. It blinks white during Direct Copy.

For enclosure model, the red function LED glows when turning the LinkStation on to the initial hard drive installation and blinks after pushing the function button.

Function Button

Use this button for Direct Copy, dismounting USB devices, and initializing settings.

USB 3.0 Port

Compatible Buffalo USB 3.0 hard drives, USB flash drives, digital cameras, and USB printers can be connected. USB hubs are not supported.

7 USB 2.0 Port

Compatible Buffalo USB hard drives, USB flash drives, digital cameras, and USB printers can be connected. USB hubs are not supported.

8 Link and Activity LED

This LED shows network activity. It blinks green when the LinkStation is accessed over the network.

9 LAN Port

Connect to a router, hub, or switch on your Ethernet network with the included Ethernet cable.

10 Power Status LED

The LED glows green when the power cable is connected.

11 Power Connector

Use the included power cable to connect to a surge protector or outlet.

12 Anti-Theft Security Slot

Use this slot to secure your LinkStation with a cable lock (not included).

13 Fan

Do not block the fan.

Changing Admin Password and Adding a Shared Folder

After initial setup, changing your password and creating other shared folders are recommended.

1 Double-click the icon to start NAS Navigator2.

2 Right-click on your LinkStation's icon and select Settings. On the Mac, select the LinkStation's icon while holding down the control key, then select Settings.

3 Changing the password from the default is recommended.

Note: You can open this same screen by clicking Getting Started from Easy Admin.

4 Enter the new password (twice), then click Next.

Note: The default username and password are "admin" and "password". To keep the defaults, leave both fields blank and click Next.

5 Configure levels of sharing for all existing shared folders (public or private) to finish the initial setup wizard.

Note: Select "Set as private folder" to restrict access to the folder to specific users.

6 Click OK when the following message is displayed.

Installing Applications

NAS Navigator2

1 Insert the LinkNavigator CD into your computer. You can also download the latest LinkNavigator from Buffalo's website. LinkNavigator will launch.

2 Click NAS Navigator2 Install.

Follow the screen instructions to install NAS Navigator2.

When the installation finished, click Finish.

SmartPhone Navigator

SmartPhone Navigator will allow to open LinkStation's Settings, change the IP address, and configure WebAccess settings. Follow the instructions below to install the application.

Open the App Store (iOS devices) or Google Play (Android devices).

Install "SmartPhone Navigator".

WebAccess

WebAccess will allow you access files in the LinkStation. Follow the instructions below to install WebAccess application.

Open the App Store (iOS devices) or Google Play (Android devices).

Install "WebAccess".

Accessing Shared Folders

Accessing from a Computer

1 Double-click the icon to start NAS Navigator2.

2 In NAS Navigator2, double-click your LinkStation's icon. The Explorer will open with shared folders' lists. For Mac OS, the LinkStation is mounted as a drive icon on the desktop or it is displayed in the sidebar of the Finder.

Accessing from a Mobile Device

To access shared folders from a mobile device with the following steps, you must configure WebAccess settings first. To configure WebAccess, see the "WebAccess" section in chapter 5.

Open SmartPhone Navigator.

Tap your LinkStation from the NAS list.

Tap Browse.

Note: Alternatively, you can access shared folders from the WebAccess app. Open the application and tap your LinkStation's hostname in the NAS list.

Turning the LinkStation On and Off

Press the power button on the LinkStation to turn it on. To turn off the LinkStation, hold down the power button for

3 seconds. The power LED will flash as the unit shuts down. Never unplug the AC adapter without properly shutting down the LinkStation first.

When all the LEDs on the front of the LinkStation turn off, the shutdown process is complete.

You can also shut down or restart the LinkStation remotely from Settings.

Shutting Down or Restarting from Settings

Double-click the icon to start NAS Navigator2.

Right-click on your LinkStation's icon and choose Settings. For Mac OS, click your LinkStation's icon while holding down the control key, then select Settings.

Settings will open.

Click at the top right of Settings and choose either Restart or Shut Down. The power LED will flash.

When the power LED stops flashing and glows white, the restart process is complete. When all the LEDs on the front of the LinkStation turn off, shutdown is complete.

Chapter 2 Configuration

Configure and manage your LinkStation using the Settings interface, accessible from a browser window. Open the interface using the procedure below or type the LinkStation's IP address in the URL field of your browser. Within Settings, the Easy Admin page gives you quick access to commonly used settings.

Opening Settings from a Computer

Note: Internet Explorer 9, Firefox 18, Google Chrome 24, Safari 5, and later are supported. If you have difficulty viewing Settings, check the following:

•If you have a proxy server enabled in the browser settings, disable the proxy server.

•With Internet Explorer, set security to Local intranet. On Windows Server 2012 or Windows Server 2008, higher-level security is configured by default. Set the security to a lower level temporarily.

Opening Easy Admin

The Easy Admin page makes it easy to change common settings. Follow the steps below to open Easy Admin.

1 Double-click the icon to start NAS Navigator2.

2 Right-click on your LinkStation's icon and choose Settings. For Mac OS, click your LinkStation's icon while holding down the control key, then select Settings.

3 The Easy Admin screen will open.

Notes:

• If you click any buttons, you will need to enter a username and password.

•If the time-out period is set to "10 minutes", you will be logged out of Settings after 10 minutes of inactivity. You will also be logged out when you reboot the LinkStation or close the web browser, even if you select "Unlimited".

•Click Secure Connection to log in with an encrypted connection.

•You can also use Bonjour to log in to Settings from Mac OS. In Safari, click View - Show Bookmarks Bar. From Bookmarks, click Bonjour - LinkStation name.

Getting Started

The wizard lets you configure the following settings:

•Changing administrator password

•Creating shared folders

•Access restrictions

The first time you access your LinkStation, this page will open. Step through the wizard to change your

administrative password.

WebAccess

Configure WebAccess to access your LinkStation remotely. Refer to the WebAccess section in chapter 5 for more information.

BitTorrent

Configure BitTorrent to download large files efficiently. Refer to the BitTorrent section in chapter 7 for more information.

DLNA

Configure DLNA to stream media files to DLNA-compatible devices on the LAN. Refer to the DLNA section in chapter 7 for more information.

USB Device Server

Configure USB device server options. Refer to the USB Device Server section in chapter 7 for more information.

Opening Advanced Settings

1 Click Advanced Settings in Easy Admin.

2 Enter the administrator username and password, then click OK.

3 The Advanced Settings screen will open.

Notes:

• Username/Password Combinations:

Username	Password	Settings Available
admin	password	All
guest	blank	System information (read-only)
		If a user is assigned as an
		administrator, all settings are
		available. If assigned as a general
		user, the user can only access
Your username	Your password	read-only system information
Your username	Your password	and change their own password.
		and change their own password.
		If assigned as a power user, the
		user can create and edit shared
		folders, users, and general users
		groups.

• To go back to Easy Admin, click the Home icon.

Opening Settings from a Mobile Device

You can access your LinkStation's Settings from your iOS or Android device. Download and install "SmartPhone Navigator" from the App Store or Google Play.

Notes:

•If you have an older version of SmartPhone Navigator installed on your device, update it to the latest version. Your icons and software may be slightly different from the examples in this manual.

•You must be logged in as an administrator to change settings. To use SmartPhone Navigator, log in as a member of the administrators group.

•Mobile devices that support mobile-optimized Settings display are listed below:

iPhone, iPad, and iPod touch* Android smartphones and tablets**

*iOS 5 or later **Android 2.3 or later

1 Open "SP Navigator" on your iOS device or "SmartPhone Navigator" on your Android device.

Tap Open Settings.

Settings will be displayed.

Notes:

•The first time you go through setup, you'll be given a chance to change the default password, correct the time zone settings, and select the RAID mode. Step though the wizard to change these settings.

•If you tap any buttons, you will need to enter a username and password.

•Tap Desktop to show Advanced Settings. This screen gives the full array of settings that could be changed from a computer, but is not optimized for mobile devices.

Settings That Can Be Changed from Your Mobile Device

You can change the following settings from your mobile device:

•Create users, change usernames and passwords.

•Create shared folders.

•Configure WebAccess settings to remotely access your LinkStation.

•Configure your LinkStation to use with DLNA-compatible devices on the LAN.

•Configure and dismount USB devices connected to your NAS, including Direct Copy options and print server settings.

•Update the firmware.

•Recover the RAID array when a drive fails.

•Configure UPS synchronization.

Buffalo LinkStation 441, LS441DE, LS441D0404, LS441D0804, LS441D1204 User guide

Chapter 3 Sharing Files

Adding Shared Folders

Configuration from a Computer

In Advanced Settings, click File Sharing.

Click to the right of "Folder Setup".

Click Create Folder.

Configure the desired settings, then click OK.

Notes:

•Names may contain up to 27 alphanumeric characters, hyphens (-), and underscores (_). Do not use a symbol as the first character in a name.

•The description may contain up to 75 alphanumeric characters, hyphens (-), underscores (_), and spaces. Do not use a symbol or space as the first character.

•You may create up to 400 shared folders.

•The names of shared folders should not use characters from more than one language. For example, mixing Japanese and Korean characters in names is not supported.

•If multi-byte characters are used in shared folder names, configure the client language to match the characters in Management - Name/Time/Language.

Recycle Bin

To protect your data from accidental deletion, you may configure your LinkStation to use a recycle bin instead of deleting files immediately. The recycle bin will only work with SMB connections.

Read-only Shares

By default, new shares are set with read & write access, but you may change the attribute to "Read Only" in "Attribute". Read-only shares and HFS+ formatted USB hard drives will have "Read-only" added to the shared folder description.

Hidden Shares

To hide a shared SMB folder, select "Hidden Share (SMB Only)" and click OK. To open a hidden folder, click Start - Search programs and files and enter "\\LinkStation's name\Shared folder names$\" for the name. For example, if the LinkStation name is "LSXXX001" and shared folder name is "share", enter "\\LSXXX001\share$\" to open it.

Note: AFP and FTP folders cannot be hidden.

Configuration from a Mobile Device

1 In Settings, tap Folder Setup.

Tap Create Folder.

Enter a folder name and description and tap Apply.

Note: Folder names may contain up to 27 alphanumeric characters and symbols. The description may contain up to 75 alphanumeric characters.

Adding Users

Note: The LinkStation can register a maximum of 300 users, which includes the default users "admin" and "guest".

Configuration from a Computer

In Settings, click File Sharing.

Click to the right of "Users".

Click Create User.

Enter the desired settings, then click OK.

Notes:

•Usernames may contain up to 128 characters, including hyphens (-), underscores (_), periods (.), !, #, &, @, $, *, ^, and %. Do not use a symbol as the first character.

•The user ID should be a number from 1000 to 1999. Each user ID should be unique. If this field is left blank, a user ID is assigned automatically.

•When you log in to Settings as a registered user, you can see the LinkStation's name, IP address, workgroup, and disk status, and modify the password.

•Do not duplicate user IDs, group IDs, usernames, or group names. Each should be distinct and unique.

•The description may contain up to 75 alphanumeric characters, hyphens (-), underscores (_), and spaces. Do not use a symbol or space as the first character.

•Passwords may contain up to 20 alphanumeric characters and the following characters: - _ @ ! # $ % & ' ( ) * + ,

. / ; < > = ? " [ ] ^ { } | ~. Do not use a symbol other than an underscore (_) as the first character.

•Use the same username and password for both Windows and the LinkStation or you may not be able to access shared folders.

•If a user belongs to multiple groups, the most strict access restrictions will apply. For example, if a user is added to a group with read and write access, and also to a read-only group, the user will effectively have read-only access.

Configuration from a Mobile Device

In Settings, tap Users.

Tap Create User.

3 Enter the desired username, password, and description, and tap Apply.

Note: Usernames may contain up to 128 alphanumeric characters and symbols. Passwords may contain up to 20 alphanumeric characters and symbols.

Adding Groups

In Settings, click File Sharing.

Click to the right of "Groups".

3 Click Add Group.

4 Enter the desired settings, then click OK.

Notes:

•Group names may contain up to 20 alphanumeric characters, hyphens (-), underscores (_), and periods (.). Do not use a symbol other than an underscore (_) as the first character.

•Group descriptions may contain up to 75 alphanumeric characters, hyphens (-), underscores (_), and spaces. Do not use a symbol or space as the first character.

•If the group ID field is left blank, a group ID is automatically assigned. Use numbers between 1000 and 1999 to set a group ID manually. Don't use duplicate group IDs.

•You may register up to 300 groups with the LinkStation.

•If you are logged in as a member of the general users group, you can only change your own password. If you're logged in as an administrator, you can change any settings, including other users' passwords. If you are logged in as a member of the power users group, you can create and edit shared folders, users, and groups.

Access Restrictions

You may restrict access to specific shared folders, including external USB drives.

Notes:

•Access restrictions can be set separately for each shared folder, but not for subfolders within the shared folders.

•Configure access restrictions through Settings. Configuring access restrictions through Windows is not supported and may cause unexpected behavior.

Local Users/Groups

1 In Advanced Settings, click File Sharing.

Click to the right of "Folder Setup".

Click the shared folder that you want to set access restrictions for.

Click Edit.

Enable "Access Restrictions".

6 Select the level of access for the user or group you added.
: Read and write access allowed	: Read access allowed	: Access prohibited

Notes:

•An example of access restrictions by user is shown in the screen. To apply access restrictions by group, click the Local Groups tab and select group permissions.

•If both read-only and read & write permissions are given to a user, the user will have read-only access.

7 Click OK.

Notes

•The following characters are handled differently by Mac OS and Windows. Avoid using these characters when sharing data between Mac OS and Windows:

•Windows does not support some characters that Mac OS and the LinkStation allow. If you create a filename on a Mac with any of the following characters, it will not display correctly on a Windows computer and you may have to connect to the LinkStation via AFP in order to display or copy any of the following characters on a Mac computer.

? [ ] / \ = + < > ; : " , | *

•Do not use any of the following words as a username or group name: root, bin, daemon, sys, adm, tty, disk, lp,

sync, shutdown, halt, operator, nobody, mail, news, uucp, ftp, kmem, utmp, shadow, users, nogroup, all, none, hdusers, admin, guest, man, www, sshd, administrator, ftpuser, apache, mysql

•Do not use any of the following words as the name of a shared folder. These words are reserved for internal use by the LinkStation: info, spool, lost+found, global, printers, homes, lp, authtest, ram, msdfs_root, mt-daapd, usbdisk# (where # is a number, for example: usbdisk1)

•Don't use the following unsupported characters in shared folder names, workgroup names, or filenames:

•File and folder names may contain up to 255 single-byte characters.

•Configure hidden and read-only file attributes in Settings. Configuring them from within Windows is not supported and may cause unexpected behavior.

•Folder and workgroup names whose names contain non-Roman characters may not be displayed correctly.

•If shared folders are accessed from a Macintosh, information files for the Macintosh may be generated automatically. Do not delete these files. If they are deleted using Windows, this may prevent further access from a Macintosh.

•If an SMB connection is used with OS X 10.3.9, the names of mounted volumes may appear as unreadable characters in Finder and other applications. This is not a problem with the filename or data.

•The LinkStation belongs to the default zone in AppleShare Server; the zone cannot be specified.

•When files are copied to the LinkStation or to a USB drive connected to the LinkStation, file information such as date created, date modified, and other date information may be updated or changed.

•Hard drive capacity is shown in Settings in actual gigabytes. The Properties window in Windows may show GiB instead, which will be a smaller number.

•If any settings are changed during a file transfer, the transfer process may abort.

•File copying to the LinkStation is protected by a journaling file system. If the Ethernet cable is disconnected or a power outage occurs while copying data, the following may occur:

-Preset data such as the LinkStation name, users, and groups may be erased.

-An incomplete file may be copied and the file can no longer be deleted. If this happens, restart the LinkStation, delete the file, and perform the copy operation again.

•After a drive is formatted, the "% Used" and "Amount Used" in Settings will not be 0. This is because some drive space is used for the system area.

Active Directory

If an Active Directory environment, the LinkStation uses account information from the Active Directory domain controller to set access restrictions for LinkStation's shared folders. There is no need to perform individual account management for the LinkStation. If multiple LinkStations are installed on the network, the account information is centrally managed in Active Directory, greatly reducing the operations required for installation and management.

Note: The LinkStation supports a domain environment with a maximum 1000 users and 1000 groups. 10,000 users and 10,000 groups can be downloaded from the domain controller but are not supported.

1 In Advanced Settings, click Network.

Click to the right of "Workgroup/Domain".

Click Edit.

Select "Active Directory" and click Next.

Click Yes.

Enter the desired settings, then click OK.

In Advanced Settings, navigate to File Sharing - Folder Setup.

Click a shared folder that you want to set access restrictions for.

Click Edit.

10 Enable "Access Restrictions".
11 Select the level of access for the user or group:
: Read and write access allowed	: Read access allowed	: Access prohibited

12 Click OK.

Notes:

•If you change the LinkStation's name, you will no longer be able to use domain users and groups or access restrictions. To repair this, rejoin the domain.

•To have the LinkStation join an Active Directory domain, configure it to use a DNS server that can resolve names for the Active Directory domain.

•After building an Active Directory domain, the administrator password for joining the domain must be changed at least once, or joining the Active Directory domain will fail.

•The DNS name and NetBIOS name of Active Directory domains should be identical.

•If both read-only and read & write permissions are given, the user will have read-only access. The most restrictive access setting will apply.

•If there are more than 5 minutes difference between the LinkStation's clock and the domain controller's clock, joining the domain or authenticating domain users and groups may fail. For best results, use an NTP server to set the time for all network devices.

•To use the LinkStation as a member server in an Active Directory domain, the LinkStation should be logged in to the domain and accessed from a computer that is not a member of the domain with a valid domain account.

•If the LinkStation is a member server of an Active Directory domain, you cannot connect as a guest user via AFP.

•If your LinkStation is a member server in an Active Directory domain and you change the authentication method to "Workgroup", the account on the domain controller will not be deleted automatically.

•When the LinkStation joins an Active Directory domain, FTP is disabled. Before using FTP, move the FTP switch back to the position.

•Don't disable the SMB protocol while Active Directory is used for access restrictions. If you do, you will need to enable SMB again and reconfigure AD from scratch.

•After configuring access restrictions, it takes about 30 seconds for the new settings to take effect. If you try to access a restricted folder during this period, you may get the message "No reply from NAS". If this happens, wait 30 seconds and try again.

NT Domain

In an NT domain environment, the LinkStation uses account information from the NT domain server to set access restrictions for files and folders on the LinkStation. There's no need to perform individual account management for the LinkStation. If multiple LinkStations are installed on the network, the account information is centrally managed in the NT domain, greatly reducing the operations required for installation and management.

Note: The LinkStation supports a domain environment with a maximum of 1000 domain users and 1000 groups. 10,000 users and 10,000 groups can be downloaded from the domain controller but are not supported.

Create an account on the domain controller for the LinkStation.

In Advanced Settings, click Network.

Click to the right of "Workgroup/Domain".

Click Edit.

Select "NT Domain", then click Next.

Note: To use Active Directory from Windows 2000 or Windows Server 2003, select "Active Directory" instead of "NT Domain".

Click Yes.

Enter the desired settings, then click OK.

In Advanced Settings, navigate to File Sharing - Folder Setup.

Click a shared folder for which you want to set access restrictions.

10 Click Edit.

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