readme.txt Driver File Contents (MB092LND.ZIP)

Intel(R) Packet Protect Software Supplemental Information
Version 2.0 for Windows NT* 4.0
=========================================================

NOTE: If you are using Windows 98, refer to the readme.txt in the 
\PktPt\Win98 directory. Additional information is in the Packet 
Protect User's Guide in the \Info\Protect directory on the product 
CD-ROM.


Contents
========

- Overview
- Available Versions
- System Requirements
- Installation
- Certificate Installation Issues
- Configuration
- Compatibility
- Communicating with a DNS
- Communicating with Windows 2000
- Other Known Issues


Overview
========

Intel Packet Protect is a departmental solution that helps protect
Internet Protocol (IP) traffic as it travels between computers on your
local area network (LAN). It protects data confidentiality and 
authenticity, and helps prevent data from being retrieved by intruders
or hackers. Because many of the total data compromises are attempted 
from within a company firewall, it is important to protect sensitive 
data while it travels on your company's LAN.

Though Packet Protect securely transmits traffic on the network, it 
does not protect the data while it is stored on a computer.  Use your 
operating system features to provide access control to sensitive 
areas of your network. 

Packet Protect uses Internet Key Exchange (IKE) and Internet Protocol
Security (IPSec)to protect communications on your LAN. Both IKE and 
IPSec are standard protocols being developed by the Internet 
Engineering Task Force (IETF). Packet Protect uses pre-shared keys 
for credential verification. Packet Protect also offers support for 
Entrust/Entelligence* certificates.


Available Versions
==================

Packet Protect is available in DES-only (56-bit encryption) and 
DES/3DES (56-/168-bit encryption). 3DES is available worldwide 
except where prohibited due to U.S. import/export restrictions. 


System Requirements
===================

- Microsoft Windows NT* 4.0 with Service Pack 5, Service Pack 6a 
  or later.
- 40 MB minimum available hard disk space.
- 32 MB RAM minimum, 64 MB RAM recommended.
- 200 MHz Pentium(R) processor (performance level or better)
  recommended.
- Intel Ether Express (TM) adapter (PRO/100 family).


Installation
============

Before installing Packet Protect:

- Uninstall any existing version of Packet Protect using the 
  Add/Remove Programs applet in the Control Panel.
- Install and configure your adapter.

If you do not use teaming, you can re-configure EtherExpress PROSet II 
utility now or wait until another time. Refer to your adapter 
Installation Guide for detailed information about configuring your 
adapter using PROSet II.


Configure PROSet II to enable IPSec:

1. Open PROSet II.

2. In the left windows, select Network Components.

3. Right-click on the name of the adapter you want to use.

4. Select Enable IPSec in the popup window.

5. Type in your IP configuration information. 


To install Packet Protect:

1. With the product CD inserted, browse to the CD-ROM using
   Windows Explorer.

2. Double-click \PktPt\NT4\setup.exe

3. Follow the prompts on the screen.

4. Restart Windows NT when prompted.


Certificate Installation Issues
===============================

In order to perform certificate installation, you must first install 
Entrust/Entelligence*. If this is not done first, you will get a 
"Missing KMPAPI32.DLL" error message. Use the Entrust/Desktop Designer 
to install Entrust/Entelligence. The installer will give you several 
installation options. Be sure to select "IPSEC" in the "Engines" 
category. 

This will enable IPSec and properly copy over the KMPAPI32.DLL file. 
Additional details at 
http://www.entrust.com/entelligence/new/desktop.htm
This DLL should be placed in the \Winnt\system32 directory. 


Problems during Certificate Installation process:

If you have problems logging in to Entrust/Entelligence, it may be 
due to an improper setting in the Entrust .INI file: 

1. Using a text editor, open /Winnt/entrust.ini

2. Locate the tag "FipsMode".

3. Set the value to 0.

4. Save and close the file. 

If you get an error message, "Intel Packet Protect Credential Store 
(CS) component problem: failed to get the subject name in the 
certificate", it could be due to a duplicate conflicting profile 
name. To resolve this, log out of Entrust/Entelligence, then start 
up the Certificate Installer again. 


Configuration
=============

When you install Packet Protect on a computer, you set up basic 
security settings the computer will apply to communication attempts. 
Optionally, you may set up security policies to apply different 
security settings to specific types of communication attempts. Refer 
to the Packet Protect User's Guide in the \Info\Protect folder on the 
product CD-ROM for configuration details and deployment examples.


Compatibility
=============

Packet Protect is designed to offload encryption and authentication 
tasks to Intel EtherExpress PRO/100 S Server and Intel EtherExpress 
PRO/100 S Management adapters, but can also work with Intel LAN 
adapters that do not support the offload.  If you have multiple 
adapters that are not teamed, one of them must be an Intel 
EtherExpress PRO/100 S Server or Intel EtherExpress PRO/100 S 
Management adapter in order for the tasks to be offloaded to that 
adapter.  Packet Protect will not work on systems with Intel 
EtherExpress PRO/1000 Gigabit Server adapters.  Packet Protect does 
not support dial-up adapters.

When you set up Packet Protect, each computer that will communicate 
in a protected way using Packet Protect must use a pre-shared key or 
a certificate. Packet Protect does not support the Kerberos 
authentication method.

Packet Protect computers can communicate with Windows 2000 IPSec 
computers by setting up each computer's policy to use the same 
settings. You cannot use Packet Protect to manage security policies 
for Windows 2000 IPSec computers, or vice versa.


Communicating with a DNS
========================

In order for a client machine running Packet Protect to communicate 
with a Domain Name Server (DNS), you must use one of the following 
configurations:

* If the DNS is communicating with NO IP Security enabled, and you 
  want to use Fully Qualified Domain Names (FQDN) in your rules, 
  then there must be a security exception for DNS requests.  This is 
  specified in the Security Exceptions tab in the following way: 

  Protocol  Local Port  Remote Port
    TCP        Any          53
    UDP        Any          53

  NOTE: These rules are created by default when Packet Protect is 
  installed, but they can be altered or deleted by the user. 

* If the DNS is communicating WITH IP Security enabled, then you must 
  create a new rule that allows DNS communication with matching 
  security. This must be the first rule in the list. (You must specify 
  the DNS by it's IP number.) In addition, you must remove the two 
  security exceptions (see prior bullet). If this step is not done, 
  security violations will occur.


Communicating with Windows 2000
===============================

Packet Protect 2.0 can communicate with the IPSec implementation in 
Windows 2000, but there are two restrictions:

* Use the "All IP Traffic" Protocol filter
* Use a Matching Pre-Shared Key

Use the "All IP Traffic" Protocol Filter
----------------------------------------

On Windows 2000, the rule used to communicate with Packet Protect 
clients must be set to "All IP Traffic" protocol filter, even if you 
are only interested in specific protocols (e.g. TCP, UDP, etc) on 
top of IP.

For example, if you are only interested in TCP communications between 
Windows 2000 and Packet Protect, you must create a new rule in 
Windows 2000, which can communicate with the active rule or default 
behavior on Packet Protect.  If you select TCP as the protocol filter 
in the Windows 2000 rule, the communication will FAIL.  You MUST 
select "All IP Traffic" filter instead.

Use a Matching Pre-Shared Key
-----------------------------

Since all default rules in Windows 2000 use Kerberos for 
authentication (not supported in Packet Protect version 2.0), you must 
either add a pre-shared key to the authentication methods in the "All 
IP Traffic" default rule, or you must create a new rule with "All IP 
Traffic" protocol filter AND a matching pre-shared key as one of its 
authentication methods.  This pre-shared key must match what is in use 
with Packet Protect.


Other Known Issues
==================

- Packet Protect protects traffic as it travels on the network, not 
  while it's stored on a computer. Use your operating system features 
  to provide access control to sensitive areas of your network.

- During client startup, the client may communicate "in the clear" for
  a few seconds, even though it may require protection. This is 
  because the computer is initiating its network connection. During 
  this time period, the IP stack is open to IP-based network 
  intrusions.

- Packet Protect can offload IPSec encryption and authentication tasks
  to Intel PRO/100 S Server and Intel PRO/100 S Management adapters.  
  Packet Protect supports the AH and ESP IPSec security formats. AH 
  and ESP can be used separately or in combination (AH+ESP) to secure 
  packets. When the combined AH+ESP security format is used, only AH 
  authentication will offload to the adapter.

- Packet Protect does not compress packets before they are sent 
  using IPSec.

- Packet Protect does not support IPSec tunnel mode.

- The Default Rule conflicts with Secure Responder behavior. Secure 
  Responders should initiate communication without security. However, 
  the Default Rule, if present, takes precedence over the Secure 
  Responder behavior and always initiates communication with 
  security. In this case, Secure Responders act like Secure Initiators 
  when the Default Rule is present. You can delete the Default Rule. 
  If you do, then Secure Responders will initiate communications 
  without security, or "in the clear."

- When you install certificate support on a computer, Packet Protect
  assumes that certificate software has already been installed on that
  computer. The certificate installation will fail unless the 
  certificate software has been previously installed.

- The pre-shared key is stored in the registry and is "in the clear."
  Anyone with access to the registry can view the pre-shared key.

- The Packet Protect user interface can be used only with 
  Administrator rights for that system. 

- Multicast traffic (defined as having an IP address between 224.0.0.0
  and 239.255.255.255) will always be transmitted in the clear and 
  leave the system open to attacks from intruders.

- Security exceptions and ports that are kept open allow traffic to 
  pass with no security. This leaves the system open to intruders. 

- If a system running Packet Protect has an adapter configured with 
  multiple IP addresses, all communications via any IP address other 
  than the first one (the primary IP address) will fail to negotiate 
  IPSec Security Association. Hence the communication will NOT be 
  secure. 

- Packet Protect is not compatible in systems that are performing 
  IP Forwarding.

- If Packet Protect is operating under high-stress conditions for 
  several days or weeks without a reboot, it could be causing 
  sluggish or erratic system behavior. Diagnosis and remedy 
  information is provided in the Troubleshooting section of the user 
  guide. 

- If an IPSec enabled client needs to communicate with a server that 
  has a combination of IPSec enabled and non-IPSec adapters, the 
  client must have an explicit rule in the IPSec Policy that allows 
  communication to the server with no security:

  destination work group = <server's non-ipsec ip address>
  security action = allow communication in the clear

- If you are running on a non-English operating system which uses a 
  double-byte language (e.g., Kanji), the directory path to the 
  executable files must be specified in ANSI text (e.g., English). 
  If there are any double-byte characters in the path, Packet Protect 
  may not run properly. 

- Packet Protect will not run on Hewlett-Packard servers running 
  the management agent "HP NetServer Agent". Attempting to use Packet 
  Protect and HP NetServer Agent in the same computer may prevent 
  proper system functionality. Please check the Intel support web 
  site (http://support.intel.com/support/network/adapter/pprotect) 
  for further information.


----------------------------------------------------------
* Brand, name, or trademark or brand owned by another company.

Copyright (C) 2000, Intel Corporation.
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