background image

26

 

 

 

When

 

using

 

smartcard

 

readers

 

and

 

tokens,

 

avoid

 

assigning

 

many

 

or

 

all

 

of

 

the

 

Reader

 

or

 

Token

 

file

 

groups

 

together.

   

 

Whilst

 

they

 

can

 

be

 

used

 

together,

 

more

 

compatibility

 

and

 

easier

 

troubleshooting

 

is

 

ensured

 

using

 

just

 

the

 

specific

 

token

 

or

 

reader

 

files

 

required

 

for

 

a

 

group

 

of

 

machines.

 

 

Using

 

$autoboot$

 

user

 

assigned

 

to

 

machines

 

permanently

 

for

 

convenience

 

to

 

bypass

 

pre

 

boot

 

logon

 

as

 

a

 

normal

 

everyday

 

operational

 

client

 

 

there

 

is

 

NO

 

security

 

in

 

doing

 

this.

   

 

This

 

results

 

in

 

end

 

users

 

never

 

seeing

 

the

 

pre

boot

 

authentication

 

screen.

 

There

 

are

 

several

 

perceived

 

benefits

 

to

 

this

 

approach:

 

‐ 

No

 

user

 

training

 

‐ 

No

 

helpdesk

 

calls

 

for

 

password

 

resets

 

‐ 

No

 

administrative

 

work

 

to

 

map

 

users

 

to

 

machines

 

‐ 

Most

 

auditors

 

simply

 

require

 

that

 

you

 

prove

 

encryption,

 

not

 

strong

 

authentication

 

 

However,

 

there

 

is

 

one

 

major

 

risk

 

to

 

this

 

approach

 

that

 

should

 

outweigh

 

all

 

the

 

perceived

 

benefits:

 

the

 

data

 

is

 

not

 

secure

.

 

If

 

an

 

unauthorised

 

user

 

wanted

 

the

 

data

 

from

 

the

 

drive,

 

they

 

would

 

simply

 

press

 

the

 

power

 

button

 

and

 

get

 

to

 

the

 

Windows

 

GINA.

 

From

 

there,

 

there

 

a

 

number

 

of

 

known

 

attacks

 

to

 

access

 

Windows.

    

 

Instead,

 

secure

 

your

 

data

 

by

 

removing

 

$autoboot$

 

users

 

when

 

not

 

needed

 

(for

 

example,

 

after

 

rolling

 

out

 

a

 

Windows

 

update).

  

Force

 

an

 

authentication

 

to

 

encrypted

 

data.

 

 

Using

 

one

 

$autoboot$

 

user

 

for

 

too

 

many

 

machines.

  

 

Instead

 

use

 

more

 

autoboot

 

users

 

to

 

reduce

 

the

 

multiple

 

connections

 

and

 

load

 

on

 

the

 

autoboot

 

user

 

object

 

in

 

the

 

database.

     

Autoboot

 

user

 

is

 

just

 

like

 

a

 

normal

 

user

 

object

 

in

 

the

 

database.

 

So

 

if

 

the

 

account

 

is

 

accessed

 

by

 

too

 

many

 

endpoints

 

at

 

once,

 

its

 

object

 

could

 

become

 

locked

 

on

 

the

 

server

 

causing

 

errors

 

with

 

the

 

object

 

or

 

client.

 

As

 

a

 

rule

 

of

 

thumb,

 

do

 

not

 

allow

 

more

 

than

 

100

 

machines

 

to

 

use

 

a

 

single

 

autoboot

 

account.

  

This

 

can

 

vary

 

wildly

 

depending

 

on

 

server

 

load,

 

configuration

 

and

 

optimisation.

  

Of

 

course,

 

if

 

concurrency

 

is

 

high

 

and

 

the

 

server

 

is

 

often

 

busy,

 

reduce

 

this

 

number

 

much

 

more.

  

One

 

tool

 

that

 

can

 

help

 

is

 

the

 

AutoDomain

 

power

 

tool.

 

This

 

can

 

add

 

and

 

remove

 

individual

 

autoboot

 

users

 

to

 

machines

 

if

 

necessary

 

for

 

deployment.

 

AutoDomain

 

is

 

not

 

covered

 

by

 

this

 

document.

 

Also,

 

add

 

backup

 

autoboot

 

accounts.

 

Then,

 

if

 

the

 

autoboot

 

account

 

is

 

removed

 

from

 

the

 

endpoint

 

by

 

accident

 ‐ 

and

 

there

 

is

 

a

 

backup

 

account

 

in

 

place

 ‐ 

the

 

user

 

can

 

remain

 

blissfully

 

unaware.

 

The

 

boot

 

code

 

will

 

look

 

through

 

all

 

autoboot

 

users

 

until

 

it

 

finds

 

one

 

to

 

use.

 

So

 

add

 

more

 

than

 

one

 

for

 

example

 

:

  

$autoboot$0001,

 

$autoboot$0002,

 

$autoboot$0003

 

etc.

 

Note:

 

at

 

least

 

version

 

5.2

 

or

 

above

 

is

 

required

 

for

 

this

 

to

 

work.

 

For

 

further

 

information

 

on

 

using

 

Autoboot

 

users

 

or

 

the

 

AutoDomain

 

power

 

tool

 

contact

 

McAfee

 

representatives

 

who

 

can

 

arrange

 

McAfee

 

Professional

 

Services

 

to

 

assist.

  

Содержание ENDPOINT ENCRYPTION ENTERPRISE - BEST PRACTICES GUIDE

Страница 1: ...1 McAfee Endpoint Encryption Enterprise Best Practices Guide November 2009...

Страница 2: ...d 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 McAfe...

Страница 3: ...OF 5000 USER MACHINE OBJECT DIRECTORY 10 VIRTUAL SERVERS 10 GLOBAL DEPLOYMENTS 11 OPTIMISATION ACTIONS 11 OPTIMISATION ACTIONS OVERVIEW 12 NAME INDEXING DBCFG INI 13 WARNINGS 13 DBCFG INI 13 GROUP SI...

Страница 4: ...19 CLEARING THE AUDIT 19 DELETED ITEMS CLEANUP 20 CHECKING FOR DATABASE CORRUPTION 20 WHY DOES THE DATABASE GET CORRUPTED 20 ORPHANED OBJECTS 21 RESTORE COMMANDS 21 CLEANUP COMMANDS 21 DUMP MACHINE D...

Страница 5: ...e product and the environment in which it is being used before arriving at any decision on implementation strategy Calculations and figures in this guide are based on field evidence and not theoretica...

Страница 6: ...a distributed way For example the Web Helpdesk component can be installed on a dedicated web server while the rest of the components are on a separate Endpoint Encryption Server However the majority o...

Страница 7: ...hared Server can be used for low numbers Please see Virtual Server section in this guide Virtual hardware has to be of higher specification if resources are shared See Page 11 2000 5000 users systems...

Страница 8: ...nvironment has not been fully tested at this time in engineering Load Balancing Given the best configuration is usually a single high performance server with DAS then the least optimal way to perform...

Страница 9: ...s The default settings of the Communication Server limit the queue to 200 entries a balance between taking connections and processing connections After that point the connections are refused This is a...

Страница 10: ...use of Virtual Servers is a result of Lack of resources dedicated to the virtual server Dynamically assigned resources to the virtual server which starves it of the necessary performance during peak p...

Страница 11: ...y is necessary it is better to include endpoints from all regions in the pilot phase Optimisation Actions NOTE These are generic recommendations based on experience but not always be suitable for your...

Страница 12: ...me to five minutes Disable NTFS Last Access Update with a registry change Increase the size of the NTFS Master File Table MFT with a registry change Optimize backups Exclude the Object Directory and t...

Страница 13: ...smaller than 5000 systems otherwise you find the number by multiplying the number of users or systems in the database by 0 6 Example If the number of users in the database is 10 000 the Locktimeout s...

Страница 14: ...lable from your McAfee representative Attribs SingleFile No If this is set to Yes the attributes for objects will be placed into a single file instead of each one having their own file Not generally u...

Страница 15: ...ours NOTE A similar setting KeepAliveInterval has a default 1000 1 second this setting is correct so do not change this Last Access Time Stamp NtfsDisableLastAccessUpdate With large databases it is po...

Страница 16: ...3 or 4 instead of the default value of 1 Object Directory Backup Tool Setup If you set up your Object Directory backup tool make sure it is not running too many times a day because the in between tim...

Страница 17: ...ed you schedule EEPC command line tool SBADMCL to cleanup machine audit and the user audit See Endpoint Encryption Object Directory Maintenance section below File Cache on Raid Hard Drive Controller L...

Страница 18: ...containing old deleted users systems and other objects and are found through the System tab in the Endpoint Encryption Manager These objects can slow searches down If these objects are needed for aud...

Страница 19: ...ds please see the Endpoint Encryption Scripting Tool User Guide which is found in most normal installations of the Endpoint Encryption Manager Extracting and Clearing Audit from the Database The audit...

Страница 20: ...within the Object Directory is renamed The extension of the folder is renamed from RMV to WPE With a very large database these empty removed folders can sometimes slow down searches In a test lab try...

Страница 21: ...have a full backup of SBDATA before doing this Restore Commands To restore orphaned user objects back into a group use this command SBADMCL Command RestoreUsers Adminuser Admin Adminpwd mypassword Gr...

Страница 22: ...ects in the DumpMaDesc log can be deleted from the database If the normal deletion doesn t work use Windows Explorer to browse to the actual location in the database and delete the physical folder In...

Страница 23: ...utes servicing each client EEPC has excellent password synchronization across all the endpoint clients a user is assigned to It is therefore logical that adding thousands of users to each machine will...

Страница 24: ...nate Requests This option stops the machine from entering hibernation mode Note this option is not supported in Vista With later versions of EEPC v5 x this should normally be left disabled to allow no...

Страница 25: ...ppear as a fixed drive and therefore swaps with the fixed disk after booting from it It can cause recovery problems with Remove or Emergency Boot for example Alternatively use with a floppy disk drive...

Страница 26: ...tion to encrypted data Using one autoboot user for too many machines Instead use more autoboot users to reduce the multiple connections and load on the autoboot user object in the database Autoboot us...

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