Novell IFOLDER 3.8 - CROSS-PLATFORM Bedienungsanleitung

Novell®

www.novell.com

novdocx (en) 13 May 2009

AUTHORIZED DOCUMENTATION

Novell iFolder 3.8 Security Administration Guide

iFolder

3.8

November 2009

Security Administration Guide

novdocx (en) 13 May 2009

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Third-Party Materials

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Contents 5

Contents

novdocx (en) 13 May 2009

About This Guide 7

1 Security Best Practices Overview 9

1.1 Security Recommendations for iFolder 3.7 and Later Versions . . . . . . . . . . . . . . . . . . . . . . . . . 9

2 Security Best Practices for Novell iFolder 3.7 and Later Versions 11

2.1 Secure Communication with the LDAP Server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.1.1 Using SSL for Server Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.2 Communication between the Web Admin Server and the Web Admin Browser . . . . . . . . . . . 12

2.3 Enterprise Client/Server Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.4 Web Access Server Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.5 Disabling the SSL 2.0 Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.6 Configuring a Cipher Suite to Use for SSL/TLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.7 Installing Trusted Roots and Certifications on the iFolder Server . . . . . . . . . . . . . . . . . . . . . . 13

2.8 Installing Server Certificates from a Known Certificate Authority. . . . . . . . . . . . . . . . . . . . . . . 13

2.9 Using a Shared Certificate in iFolder Clusters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.10 Ensuring Privilege Separation for the iFolder Proxy User . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.11 Using Synchronize Now to Remove Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.12 Controlling Access to the iFolder Data Store . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.13 Controlling Access to the iFolder Server Configuration Files . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.14 Controlling Access to And Backing Up the iFolder Audit Logs. . . . . . . . . . . . . . . . . . . . . . . . . 14

2.15 Encrypting Data on the Server for iFolder 3.7 and Later Versions. . . . . . . . . . . . . . . . . . . . . . 15

2.16 Preventing the Propagation of Viruses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.17 Backing Up the iFolder Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.18 Loading the Recovery Agent Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3 Security Best Practices for the iFolder Client 17

3.1 Configuring Client-Side Firewalls for iFolder Communications . . . . . . . . . . . . . . . . . . . . . . . . 17

3.2 Configuring Client-Side Virus Scanners for iFolder Communications . . . . . . . . . . . . . . . . . . . 17

3.3 Configuring a Web Browser to Use SSL 3.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.4 Creating an Encrypted iFolder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

3.5 Using the Recovery Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

3.6 Transferring the Encryption Key. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4 Other Security Best Practices 19

4.1 Controlling Physical Access to the iFolder Servers and Resources. . . . . . . . . . . . . . . . . . . . . 19

4.2 Securing Access to the Servers with a Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.3 Securing Communications with a VPN If SSL Is Disabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.4 Securing Wireless LAN Connections If SSL Is Disabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.5 Creating Strong Password And Passphrase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

A Documentation Updates 21

A.1 December 2008 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6Novell iFolder 3.8 Security Administration Guide

novdocx (en) 13 May 2009

A.2 December 2007 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

A.3 October 2007 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

A.4 August 15, 2006 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

A.5 November 1, 2005 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

About This Guide 7

novdocx (en) 13 May 2009

About This Guide

This guide provides specific instructions on how to install, configure, and maintain Novell®

iFolder®and iFolder clients for versions 3.7 and later in the most secure way possible.

Chapter 1, “Security Best Practices Overview,” on page 9

Chapter 2, “Security Best Practices for Novell iFolder 3.7 and Later Versions,” on page 11

Chapter 3, “Security Best Practices for the iFolder Client,” on page 17

Chapter 4, “Other Security Best Practices,” on page 19

Appendix A, “Documentation Updates,” on page 21

Audience

This guide is intended for network security administrators.

Feedback

We want to hear your comments and suggestions about this manual and the other documentation

included with this product. Please use the User Comment feature at the bottom of each page of the

online documentation, or go to Novell Documentation Feedback (http://www.novell.com/

documentation/feedback.html) and enter your comments there.

Documentation Updates

For the most recent version of the Novell iFolder 3.x Security Administrator Guide, visit the Novell

iFolder 3.x documentation Web site (http://www.novell.com/documentation/ifolder3/index.html).

For emerging issues with Novell iFolder and client for versions 3.7 and later, see the Novell iFolder

3.8 Readme (http://www.novell.com/documentation/ifolder3/index.html).

Additional Documentation

Novell iFolder 3.xdocumentation (http://www.novell.com/documentation/ifolder3/index.html)

Novell Technical Support (http://www.novell.com/support/)

Documentation Conventions

In Novell documentation, a greater-than symbol (>) is used to separate actions within a step and

items in a cross-reference path.

A trademark symbol (®, TM) denotes a Novell trademark. An asterisk (*) denotes a third-party

trademark.

When a single pathname can be written with a backslash for some platforms or a forward slash for

other platforms, the pathname is presented with a backslash. Users of platforms that require a

forward slash, such as Linux* or UNIX*, should use forward slashes as required by your software.

8Novell iFolder 3.8 Security Administration Guide

novdocx (en) 13 May 2009

Security Best Practices Overview

novdocx (en) 13 May 2009

Security Best Practices Overview

This section summarizes the recommended configurations and settings required to run Novell®

iFolder®and the iFolderTM client for versions 3.7 and later in a secure mode.

Section 1.1, “Security Recommendations for iFolder 3.7 and Later Versions,” on page 9

1.1 Security Recommendations for iFolder 3.7

and Later Versions

The following table lists the iFolder server configuration settings that impact iFolder security.

Table 1-1 Security Recommendations

Parameter Possible Values Default Value Recommended Value for

Best Security

iFolder Admin user User-specified User-specified

administrator user

Special iFolder Admin

user identity for

managing iFolder

services

Equivalent iFolder

Admin users

User-specified None Users with limited

administrator rights,

such as for a specific

iFolder server

iFolder Proxy user

password

User-specified Auto generated during

initial configuration of the

iFolder server

User-specified, using

strong password

practices

Server to client

communications

SimiasRequireSSL (Yes/

No)

SimiasRequireSSL =

Yes

SimiasRequireSSL =

Yes

Server to Server

Communication

Select Yes during setup

to enable SSL, or select

No to disable SSL

Yes, SSL enabled

SimiasUrl https

SimiasCert <RAW

certificate>

Yes, SSL enabled

/usr/web/

web.config

file

SimiasUrl (https/http)

SimiasCert (RAW

certificate/none)

SimiasRequireSSL https

SimiasCert <RAW

certificate>

SimiasRequireSSL https

SimiasCert <RAW

certificate>

10 Novell iFolder 3.8 Security Administration Guide

novdocx (en) 13 May 2009

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