McAfee INTERNET GUARD DOG 3.0 User manual

Internet Guard Dog
User’s Guide
Version 3.0

COPYRIGHT
Copyright © 2000 Network Associates, Inc. and its Affiliated Companies. All Rights Reserved. No part
of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated
into any language in any form or by any means without the written permission of Network Associates,
Inc.
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* ActiveHelp, Bomb Shelter, Building a World of Trust, CipherLink, Clean-Up, Cloaking, CNX,
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PM, Safe & Sound, SalesMagic, SecureCast, Service Level Manager, ServiceMagic, Site Meter, Sniffer,
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NOTICE TO ALL USERS: CAREFULLY READ THE FOLLOWING LEGAL AGREEMENT
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Issued February 2000/ Internet Guard Dog v3.0

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User’s Guide iii

5. Restrictions. You may not rent, lease, loan or resell the Software. You may not permit third parties
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iv Internet Guard Dog

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THIS LIMITATION OF LIABILITY SHALL NOT APPLY TO LIABILITY FOR DEATH OR
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"commercial computer software" and "commercial computer software documentation,"
respectively, pursuant to DFAR Section 227.7202 and FAR Section 12.212, as applicable. Any
use, modification, reproduction, release, performance, display or disclosure of the Software and
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APPLICABLE PROHIBITION AGAINST THE EXPORT OR RE-EXPORT OF ANY PART OF
THE SOFTWARE.
User’s Guide v

SOME COUNTRIES HAVE RESTRICTIONS ON THE USE OF ENCRYPTION WITHIN
THEIR BORDERS, OR THE IMPORT OR EXPORT OF ENCRYPTION EVEN IF FOR ONLY
TEMPORARY PERSONAL OR BUSINESS USE. YOU ACKNOWLEDGE THAT THE
IMPLEMENTATION AND ENFORCEMENT OF THESE LAWS IS NOT ALWAYS
CONSISTENT AS TO SPECIFIC COUNTRIES. ALTHOUGH THE FOLLOWING
COUNTRIES ARE NOT AN EXHAUSTIVE LIST THERE MAY EXIST RESTRICTIONS ON
THE EXPORTATION TO, OR IMPORTATION OF, ENCRYPTION BY: BELGIUM, CHINA
(INCLUDING HONG KONG), FRANCE, INDIA, INDONESIA, ISRAEL, RUSSIA, SAUDI
ARABIA, SINGAPORE, AND SOUTH KOREA. YOU ACKNOWLEDGE IT IS YOUR
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specified in your contract or tariff.
vi Internet Guard Dog

User’s Guide vii
Table of Contents
Chapter1. WelcometoInternetGuardDog™......................1
UsingInternetGuardDog ..........................................1
HowInternetGuardDogworks..................................2
UserSetup ..................................................2
VirusScan ...................................................2
Activity Logs . . . . ............................................2
SecurityCheck ...............................................3
InternetGuardDogandyouronlineconnection....................3
InternetGuardDogfeatures ....................................3
What’snewinInternetGuardDog ...................................5
Otherfeaturesandenhancements ...............................6
About Internet Guard Dog documentation . . . . . . . . . . . . . . ...............6
How this book is organized . . . . . ...............................7
UsingInternetGuardDoghelp .................................7
Chapter2. InstallingInternetGuardDog™ .......................11
Systemrequirements .............................................11
Installing Internet Guard Dog . . . . . . . . ..............................12
Troubleshooting installation problems ..............................12
Step1:Cleanupyourharddrive ...............................13
Step 2: Remove temporary files . . ..............................13
Step3:Closeothersoftware...................................14
Installing McAfee VirusScan from the Internet Guard Dog CD . . . . . . . . . . .14
Chapter 3. Quick Tour of Internet Guard Dog™ . . . . . . . . . . . . . . . . . . .15
UsingtheInternetGuardDogInterview ..............................15
What information does Internet Guard Dog ask me to enter? . . . . . . . .16
HowInternetGuardDogAdministratorworks ....................17
HowpasswordprotectionworksinGuardDog ...................18
UsingtheInternetGuardDogHomescreen ..........................18
HowUserSetupworks .......................................20
HowInternetFilteringworks ..................................21

Table of Contents
viii Internet Guard Dog
HowPrivacyandSecurityoptionswork .........................22
Options ....................................................23
UsingMcAfeeVirusScan......................................23
Viewing Activity Logs . . . . . . . . . . ..............................23
UpdatingInternetGuardDogandVirusScan .....................24
PerformingaSecurityCheck ..................................25
WhatInternetGuardDogdoeswhileyourPCisrunning................26
UsingtheInternetGuardDogshortcutmenu ....................26
Responding to Internet Guard Dog alert messages . ..............27
Using Browser Buddy to retrieve or store your Web site passwords .27
Usingfileencryption .........................................29
Chapter4. PrivacyFeatures ...................................31
WhatCookieBlockerdoes ........................................31
Responding to a Cookie Blocker alert message . . . . ..............32
Why should I change my Cookie Blocker settings? . ..............33
WhatIdentityProtectordoes ......................................33
Responding to an Identity Protector alert message . ..............34
Why should I change my Identity Protector settings? . . . . . . . . . . . . .35
WhatWebTrailCleanerdoes ......................................36
Responding to the Web Trail Cleaner alert message ..............36
Why should I change my Web Trail Cleaner settings? . . . . . . . . . . . . .37
WhatSearchFilterdoes ..........................................37
Chapter5. SecurityFeatures ..................................39
WhatGatekeeperdoes ...........................................39
Responding to Gatekeeper alert messages . . . . . . . . ..............39
Why should I change my Gatekeeper settings? . . . . . ..............42
WhatFileGuardiandoes ..........................................43
Responding to File Guardian alert messages . . . . . . ..............43
Why should I change my File Guardian settings? . . . ..............46
WhatPasswordManagerdoes .....................................47
Chapter6. McAfeeVirusScan..................................49
WhatisMcAfeeVirusScan?........................................49
StartingVirusScan...........................................49

User’s Guide ix
Table of Contents
VirusScanCentralwindow ....................................50
VirusScanClassicwindow ....................................50
ConfiguringVirusScan .......................................51
AppendixA. InternetSecurityandPrivacy .......................55
NetworksandtheInternet .........................................55
TCP/IPisthesubsystem ......................................55
Whypackets?...............................................56
TheInternetandtheWeb…whatisthedifference? ................56
PrivacyandsecurityontheWeb ...............................57
WhydoesInternetprivacymattertome? ........................57
PrivacyontheWeb...............................................58
Whoissnooping? ...........................................58
Snoopingandsniffing ........................................58
Webserversandfirewalls.....................................58
WhatcanIdotokeepmystuffsafe?............................59
HowcanItellifaWebsiteissecure? ...........................59
Howdoesencryptionwork? ...................................60
SecurityontheWeb ..............................................61
Nastyapplets ...............................................62
CanIpreventprogramsfromaccessingtheInternet?..............62
Computer viruses and the Web . . . . . . . ..............................62
Arevirusesreallythatdangerous? .............................63
Typesofviruses.............................................63
HowcanmyPCbecomeinfectedwithavirus? ...................64
Frequently asked questions about Internet privacy . . . . . . ..............64
SourcesforInternetprivacyandsecurityinformation ..................66
Finding out about Internet hoaxes ..............................66
More information about computer viruses . . . . . . . . . ..............66
More information about security . ..............................67
More information about privacy . . ..............................67
Appendix B. Product Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
HowtoContactMcAfee ...........................................69
Customerservice............................................69

Table of Contents
x Internet Guard Dog
Technical support ...........................................70
McAfeetraining .............................................71

1
User’s Guide 1
1Welcome to Internet Guard Dog™
Using Internet Guard Dog
In the last few years the Internet has changed from a communications network
that government entities and universities used almost exclusively, to an
information treasure house that people of all ages and occupations can now
access. With an Internet account, you can send electronic mail (e-mail) around
the world in seconds, do research without leaving home, meet new friends in
an online chat room, or shop without getting out of your bathrobe. However,
with all these conveniences come a certain element of risk. When you use the
Internet, information is transmitted from your computer to other computers in
the Internet—information you may not want other people to have. And those
computers can also send files to your computer that may contain viruses.
While most of these files are harmless, some can invade your privacy or even
damage the data on your computer’s hard drive.
Figure 1-1. Internet Guard Dog Home screen
McAfee’s Internet Guard Dog addresses any of these potential risks with its
comprehensive features designed to protect your privacy and security when
surfing the Internet.

Welcome to Internet Guard Dog™
2 Internet Guard Dog
With its new features, you can now also act as an Administrator and apply
customized protection settings not only for yourself, but for other users of
your computer and easily monitor potential risk they may encounter while
browsing the Internet.
How Internet Guard Dog works
Internet Guard Dog works via the following main features displayed in the
Home screen:
User Setup
As the Administrator, this feature allows you to setup protection settings for
other users of your computer. You can add, edit and delete a user’s
profile—then setup individual privacy, security and Internet filtering options
that Internet Guard Dog will apply whenever any of these users are browsing
the Web through your computer.
See the following for more information:
•“Customize User Setup Settings” on page 33.
•Chapter 4, “Privacy Features.”
•Chapter 5, “Security Features.”
VirusScan
Internet Guard Dog now uses the McAfee VirusScan to address virus-related
problems you may encounter through the Internet. This feature allows you to
set how to perform a virus scan operation on your computer; what to do if a
virus is found; and how it should alert you once the virus is detected. You can
also direct VirusScan to keep a record of actions performed on your computer.
With these main features of Internet Guard Dog, you arein control at all times.
You decide what security and privacy features to use. If your concerns or
computing habits change, it is easy to change Internet Guard Dog protection
settings to meet your needs and those of others who use your computer
frequently. See “What is McAfee VirusScan?” on page 49.
Activity Logs
On the Internet Guard Dog Home screen, Activity Logs allow you to view a
list of all the interactions that you and other profiled users of your computer
had with Internet Guard Dog, including the date and time of the action. You
can print, save or clear this list. See “Viewing Activity Logs” on page 23.

User’s Guide 3
Welcome to Internet Guard Dog™
Security Check
You can run a complete check of your computer for any privacy or security
problems via this feature. After Internet Guard Dog performs the check, it
displays any problem found, provides additional information about the
problem, and guides you through on how to solve the problem. See
“Performing a Security Check” on page 25.
Internet Guard Dog and your online connection
To use all Internet Guard Dog features, you must have an Internet connection
through a local network or a modem. Some networks have an Internet
connection that you can use by connecting to the network-either directly or
through dial-up networking. If you don’t connect through a network, your
computer must have a modem installed.
You can establish an Internet connection through an Internet Service Provider
(ISP) such as Earthlink. An ISP acts as a middleman between you and the
Internet. Your computer connects (using your modem) to the ISP’s equipment,
which in turn connects to the Internet. You may also be connected to the
Internet through an online service such as America Online or Compuserve.
In addition, you must also have a browser. A browser is software, such as
Netscape Navigator or Microsoft Internet Explorer (it must be a version
designed for Windows 95 or Windows 98), that allows you to view text and
graphics and download files from Web sites.
Internet Guard Dog features
This section briefly describes other features of Internet Guard Dog that protect
you from the most common Internet threats. If you want more background
information on Internet privacy, security, and virus issues, see “Internet
Security and Privacy” on page 55.
NOTE: Only the designated Administrator or Self-Administrator can
have access to these features which allow them to customize protection
settings for themselves and in the case of the Administrator, protection
forotherprofiledusersofthesamecomputer.

Welcome to Internet Guard Dog™
4 Internet Guard Dog
Protection from privacy threats
•Identity Protector monitors your Internet connection and warns you
before private information is sent to an unsecure Internet site. It stops
programs and other people that use your computer (like your kids) from
sendingyour nameandcredit cardnumbersovertheInternetwithoutyour
approval.
•Cookie Blocker prevents Web sites from storing cookies on your hard
drive. Third-party Web sites use cookies to track your Web browsing
habits. You can choose your level of interaction with Cookie Blocker. (For
more information, see “What are cookies and how are they used?” on
page 65.)
•Web Trail Cleaner cleans your Web browsing trails such as cached files; list
ofURLs (Uniform Resource Locator,alsoknownasWebaddress) visited; and
history files—when you close your browser. This feature prevents other
users of your computer to track your online movements by viewing the
files and URL addresses left over from your Internet browsing.
•Search Filter prevents search information that you request at one Web site
from being passed along to the next site you visit. Without Search Filter,
your browser can transfer your search request information from one Web
site to another without your knowledge.
Protection from security threats
•Gatekeeper allows you to control the programs that have access to your
Internet connection. Programs on your PC can be programmed to access to
the Internet without your consent.
•File Guardian protects files that contain your sensitive data from being
opened, renamed, copied, moved, or deleted. Programs, such as ActiveX
and Java programs, can scan your PC for personal information or delete
files without your permission.
File Guardian also limits access to protected files either to programs you
specify or through file encryption. It can limit the programs that can access
your tax, on-line banking, or personal accounting data files.
•Password Manager stores your Web site login names and passwords for
protected Web sites in one secure location. When you are visiting a site that
requires this information, drag it from Browser Buddy to the form
displayed in your browser. No more storing your login names and
passwords in an unsecure location, such as post-it notes on your monitor
or in a text file on your Windows desktop.

User’s Guide 5
Welcome to Internet Guard Dog™
Protection from virus threats
Using the McAfee VirusScan, the following features are available:
•Scan to start the default virus scan task immediately, or configure a virus
scan task that suits your needs.
•Scheduler to launch the McAfee VirusScan Scheduler. This utility enables
you to configure and run unattended virus scan operations.
•Virus info to display virus information via the McAfee Web site.
What’s new in Internet Guard Dog
Internet Guard Dog version 3.0 includes these new features.
• Inclusion of McAfee VirusScan
McAfee VirusScan is now included in Internet Guard Dog. Select from
available options to customized how you want it to protect your computer.
• Multi-user Logon and user settings
Internet Guard Dog now allows multiple users to have different
protections settings. The main user can also act as an Administrator
customizing settings for other users of the same computer.
•Internet Filtering options
After an Administrator has added profiles of other users of the computer,
Internet Filtering options can be used based on default URL sites, word list,
rating systems, and Internet access time. Administrator can also enter
additional lists or sites if desired.
• Activity Logs
An Administrator can view a list of activity, maintenance and violation
logs at the single click of a button. This list contains information such as
duration of computer use or any protection setting violation that a profiled
user may have committed (e.g., attempting to pass credit card number).
Administrator also has the option to clean, print or save this list.
• Improved online Help interface
The online Help is now displayed via a tri-pane Explorer View Help
window. While viewing a topic within the Help file, the user can now also
view the table of contents as well as access the index and full-text search
options simultaneously while the topic is displayed on the right-hand side
of the window.

Welcome to Internet Guard Dog™
6 Internet Guard Dog
Other features and enhancements
•Internet Guard Dog password
Protects the information and settings in Internet Guard Dog from being
viewed or changed. It also prevents other users of your computer from
sending out information that you specify as private.
•File Guardian enhancement
Protects individual files even when encrypted.
•Improved cookie management
Indicates whether cookies are direct or indirect and the domain where it is
coming from.
•Personal identity protection
“Mark” personal identity information and sensitive files (such as financial
records and credit card numbers) so they’ll never be sent over the Internet
without your OK.
•Encrypt sensitive files
Add an extra layer of protection by encoding files to prevent them from
being read—until you decode them.
•Browser Buddy enhancement
Store and manage your Web site passwords in one convenient, secure
location. User can now reset numbers.
• Single Update button
At the single click of a button, user can update both Internet Guard Dog
and McAfee VirusScan via the Web.
About Internet Guard Dog documentation
This manual provides the basic information you need to install, set up, and use
Internet Guard Dog. More detailed information on Internet Guard Dog is
provided by the Help files which you can access while working within the
different windows.

User’s Guide 7
Welcome to Internet Guard Dog™
How this book is organized
This User’s Guide is designed to get you using Internet Guard Dog quickly.
Read chapters 1 and 2 to get Internet Guard Dog installed and running. You
only need to read Chapters 3, 4, 5, and 6 if you want further information on
customizing Internet GuardDog or using specific features. Read Chapter 7 for
further information on McAfee VirusScan. If you are new to the Internet or just
want to find out more about Internet privacy and security issues, read
Appendix A.
Using Internet Guard Dog help
To launch Internet Guard Dog help
1. In the Internet Guard Dog Home screen, click Help; then select Help
Topics. The Help system is displayed via a tri-pane Explorer View
window.
Table 1-1.
To find out Read
What this version of Internet Guard Dog does
and how to find information about Internet
Guard Dog.
Chapter 1, “Welcome to
Internet Guard Dog™.”
System requirements and how to install
Internet Guard Dog. Chapter 2, “Installing Internet Guard Dog™.”
HowtousethemainfeaturesofInternet
Guard Dog. Chapter 3, “Quick Tour of Internet Guard Dog™.”
What the Cookie Blocker, Identity Protector,
Web Trail Cleaner, and Search Filter features
are and how to work with them.
Chapter 4, “Privacy Features.”
What the Gatekeeper, File Guardian, and
Password Manager features are and how to
work with them.
Chapter 5, “Security Features.”
What the VirusScan features are and how to
work with them. Chapter 6, “McAfee VirusScan.”
What privacy, security, and virus issues exist
on the Internet. Appendix A, “Internet Security and Privacy”
How to contact McAfee Software sales,
customer service and support departments. Appendix B, “Product Support”

Welcome to Internet Guard Dog™
8 Internet Guard Dog
2. You can search for a help topic via the Contents, Index or Find tabs.
•Contentstab
1. Double-click a book icon to display its table of contents of
related topics.
2. Locate the topic you want; then point and double-click to open
the Help topic.
•Indextab
1. In the text box, type the first few letters of the word or phrase
you are looking for.
2. Locate what you are looking for; then double-click the topic or
click the Display button.
NOTE: To go to the next page of help, click the next >>browse button
(if activated). To return to the previous page, click the previous <<
browse button (if activated) or click the Back button.
•Findtab.
Clicking the Find tab enables you to launch a full text search. When
you search for topics via the Find tab for the first time, a Find Setup
Wizard is displayed. Follow the instructions on screen to setup the
full text search option. After setup is complete:
1. In the text box, type the first few letters of the word or phrase
you are looking for. You can also select matching words to
narrow your search.
2. Once you have located what you are looking for in the display
topic box, click the topic.
To display help for a screen
1. In the Internet Guard Dog Home screen, click Help.
2. Click Help for this screen to display a help topic that explains what you
can do in or what you may need to know about the current Internet
Guard Dog screen.

User’s Guide 9
Welcome to Internet Guard Dog™
To get help for settings in a dialog box
• Whenever you see the button in the upper-right corner of a dialog
box, click the button, then click on the setting for which you want
information.

Welcome to Internet Guard Dog™
10 Internet Guard Dog