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Module 10: Providing Secure Access to Remote
Offices
Overview
Defining Private and Public Networks
Securing Connections Using Routers
Securing VPN Connections Between Remote Offices
Identifying Security Requirements
Defining Private and Public Networks
Seattle
Public Networks
Tokyo
Private NetworksSeattle
Private Networks
Tokyo
Dedicated Connection
InternetInternet
Securing Connections Using Routers
Introducing Router Security
Using a Windows 2000–based Router
Introducing Router Security
Router
Seattle
Router
Tokyo
Packet FilteringMutual Authentication
Packet FilteringMutual Authentication
EncryptionEncryption
Using a Windows 2000–based Router
Network Address Translation
IP Packet Filtering
Virtual Private Network
CorporateOffice
RemoteOffices
Windows 2000-basedRouter
Windows 2000-based Router
Windows 2000-basedRouter
InternetInternet
Securing VPN Connections Between Remote Offices
Connecting Remote Offices over Private Networks
Connecting Remote Offices over Public Networks
Selecting a Tunneling Protocol
Virtual Private Network
Tunnel
Connecting Remote Offices over Private Networks
HR SeattleHR SeattleHR TokyoHR Tokyo
VPN Tunnel
Windows 2000–based Routers
Connecting Remote Offices over Public Networks
Tokyo
Seattle
ISPISP
ISPISP
InternetInternet
Selecting a Tunneling Protocol
FeaturesFeaturesFeaturesFeaturesTunneling ProtocolTunneling Protocol
L2TP/L2TP/ IPSecIPSec
PPTPPPTP IPSecIPSec Tunnel Mode Tunnel Mode
Support for NAT X
User Authentication X X
Machine Authentication X X
Multi-Protocol Support X X X
Stronger Security X X
Support for Non–Windows 2000–based Clients X
Identifying Security Requirements
Step 1: Determine What Must Be SecuredStep 1: Determine What Must Be Secured
Step 2: Determine the Level of Security to ApplyStep 2: Determine the Level of Security to Apply
Step 3: Determine Encryption RequirementsStep 3: Determine Encryption Requirements
Lab A: Planning Secure Connections for Remote Offices
Review
Defining Private and Public Networks
Securing Connections Using Routers
Securing VPN Connections Between Remote Offices
Identifying Security Requirements
