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Module 5 Securing Network Resources with Shared Folder Permissions
19

1 Module 5 Securing Network Resources with Shared Folder Permissions.

Dec 24, 2015

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Page 1: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

1

Module 5Securing Network

Resources with Shared Folder Permissions

Page 2: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

2

Overview

Introduction to Sharing Folders

Shared Folder Permissions

Guidelines for Sharing Folders

Sharing Folders and Assigning Permissions

Accessing Shared Folders

Best Practices

Page 3: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

3

Introduction to Shared Folders

Permission to Use a Resource Is Assigned to a User or GroupPermission to Use a Resource Is Assigned to a User or Group

EveryoneEveryone

User1User2User3User4

User1User2User3User4

A SharedA SharedFolderFolder

A SharedA SharedFolderFolder

Data

PermissionsPermissionsPermissionsPermissions

ServerServer

Shared FoldersShared FoldersShared FoldersShared Folders

Data

UserUser

Page 4: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

4

Shared Folder Permissions

FullFullControlControl

ChangeChange

ReadRead

No AccessNo Access

Page 5: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

5

How User and Group Permissions Are Applied

+

+

+

Public

+

+

+

PublicBBBB

User1User1User1User1

AAAAUser1User1User1User1

NANA

RR

RR

FCFC

EveryoneEveryone

User2User2

SalesSales

User2User2User1User1

User1User1

Page 6: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

6

Examples of Applied Permissions

User1User1

Group1User1

Group1User1

NoAccess

NoAccess

Group2User1

Group2User1

Group4User1

Group4User1 ReadRead

Group3User1

Group3User1 ChangeChange

Folder-BFolder-BFolder-BFolder-B 22221111 Folder-AFolder-A Folder-AFolder-A

Group1User1

Group1User1

Group2User1

Group2User1

Group3User1

Group3User1

Group4User1

Group4User1

ReadRead

ChangeChange

FullControl

FullControl

Page 7: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

7

Guidelines for Sharing Folders

Use Intuitive Share Names

Use Names Readable by All Clients

Organize Disk Resources According to Security Needs

Page 8: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

8

Examples of Shared Folders

CCCC

BBBBApps

App1

App2Apps

SW

SW 1

SW 2

App1

App2

Apps

SW 1

SW 2

App1

App2

SW

AAAA

Page 9: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

9

Determine Which Groups Need Access to a ResourceDetermine Which Groups Need Access to a Resource

Assign Permissions to Groups Instead of UsersAssign Permissions to Groups Instead of Users

Assign the Most Restrictive PermissionsAssign the Most Restrictive Permissions

Remove Default Permissions for a New Shared FolderRemove Default Permissions for a New Shared Folder

Guidelines for Assigning Permissions

Page 10: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

10

Guidelines for Network Application Folders

Create a Common Folder for Applications

Assign Full Control to the Administrators Group

Assign Full Control to Groups That Upgrade and Troubleshoot

Assign Read to the Domain Users Group

Microsoft

Microsoft

Microsoft

App 1App 1

Apps

Page 11: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

11

Guidelines for Data Folders

Web Sites

Directions

TrainingReview

Domain UsersDomain UsersPublicFCFC

Public DataPublic Data

Accountants

Sales

Managers

DataAdministratorsAdministrators

SalesSales

ManagersManagers

AccountantsAccountants

FCFC

FCFC

FCFC

FCFC

Working DataWorking Data

Page 12: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

12

Guidelines for Home Folders

User1

User2

User3

\Users

SharedSharedSharedShared

SharedSharedSharedShared

User1User1

User2User2

Create a Home Folder for Each User In \UsersCreate a Home Folder for Each User In \Users

Share Each Home FolderShare Each Home Folder

Assign Only the Respective User Full ControlAssign Only the Respective User Full Control

On a Network Server Create a Folder Named \UsersOn a Network Server Create a Folder Named \Users

Do Not Share the \Users FolderDo Not Share the \Users Folder

1111

2222

3333

4444

5555

Page 13: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

13

Sharing Folders

GroupGroupGroupGroup Operating System RequirementsOperating System RequirementsOperating System RequirementsOperating System Requirements

AdministratorsAdministrators Any computer running Windows NTAny computer running Windows NT

Server OperatorsServer Operators Windows NT Server Domain Controllers onlyWindows NT Server Domain Controllers only

Power UsersPower Users Windows NT Server Member servers andWindows NT Workstation computers onlyWindows NT Server Member servers andWindows NT Workstation computers only

ShareShareShareShare PurposePurposePurposePurpose

C$, D$, E$C$, D$, E$ The root of each volume on a hard disk is automatically sharedThe root of each volume on a hard disk is automatically shared

Admin $Admin $ The C:\Winnt folder is shared as Admin$The C:\Winnt folder is shared as Admin$

Using the Adminstrative Shares

Requirements for Sharing a Folder

Page 14: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

14

Sharing a Folder(C:) Properties

General Tools

OK Cancel Apply

Not Shared

Share Name:

Comment:

Maximum Allowed

Allow Users

Apps

Application files

Shared As:

User Limit:

Permissions...

Remove Share

New Share...

Sharing

RequiredRequiredRequiredRequired

Page 15: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

15

Assigning Share PermissionsAccess Through Share Permissions

AppsAccess Through Share:

Owner:

Name:

Type of Access:

Cancel Add...OK Remove Help

Domain Users Read

Administrators Full Control

Read

Add Users and Groups

Names:List Names From:

Account Operators Members can administer domain user anAdministrators Members can fully administer the computBackup Operators Members can bypass file security to bac

CancelOK Help

Domain Admins Designated administrators for the domainDomain Admins Designated administrators for the domainDomain Guests All domains guestsEveryone All UsersGuests Users granted guest access to the comp

Type of Access:

Show UsersAddAdd Members...Members... Search...

Add Names:

NTSADOM2*

Read

DomainsDomainsDomainsDomains

Page 16: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

16

Modifying Shared Folders

Changing Shared Folder Options

Stop Sharing Folders

Modifying Share Names

Modifying Shared Folder Permissions

Page 17: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

17

Accessing Shared FoldersMap Network Drive

Reconnect at Logon

Drive:

Path:

Connect As:

E:

Cancel

OK

Help

\\Server\ShareName

Open:

Run in Separate Memory SpaceRun in Separate Memory Space

CancelOK Browse...

Type the name of a program, folder, or document, and Windows will open it for you.

Run

\\Server\Sharedfolder

Page 18: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

18

Best Practices

Organize Disk Resources to Simplify AdministrationOrganize Disk Resources to Simplify Administration

Store Data Separately from Operating Systems and ApplicationsStore Data Separately from Operating Systems and Applications

Remove the Everyone Group from the Permissions ListRemove the Everyone Group from the Permissions List

Limit the Number of Users Who Can Connect to a ShareLimit the Number of Users Who Can Connect to a Share

Assign Permissions to Groups Rather Than Individual Users

Create Shortcuts for Frequently Used Shared FoldersCreate Shortcuts for Frequently Used Shared Folders

Page 19: 1 Module 5 Securing Network Resources with Shared Folder Permissions.

19

Review

Introduction to Sharing Folders

Shared Folder Permissions

Guidelines for Sharing Folders

Sharing Folders and Assigning Permissions

Accessing a Shared Folder

Best Practices