LS 122 104x - Regtops

Course Name

VPN Fundamentals

Course Number

LS 122 104

Course Duration

2 days

Course Description

A VPN is a communications environment in which access is
controlled to
permit peer connections only within a defined
community of interest, and is constructed though some form of
partitioning of a common underlying communications medium,
where this underlying communications medium provides services to
the network on a non
-
exc
lusive basis.

Virtual private networks have become an essential part of today's
business networks, as they provide a cost
-
effective means of
assuring private internal and external communications over the
shared Internet infrastructure. Virtual Private Netw
orks:
Technologies and Solutions is a comprehensive, practical guide to
VPNs.

VPN Fundamentals includes VPN concepts and architectures,an in
-
depth examination of advanced features and functions such as
tunneling, authentication, access control, VPN gatewa
ys, VPN
clients, and VPN network and service management.

This course presents the various technology components, concrete
solutions, and best practices you need to deploy and manage a
highly successful VPN.

Course Objective

After completing this course,

attendees will be able to:



Understand IPsec, featuring the Authentication Header,
Encapsulating Security Payload, Internet Key

Exchange, and implementation details



Understand PPTP, L2F, L2TP, and MPLS as VPN tunneling
protocols



Review Two
-
party and th
ree
-
party authentication, including
RADIUS and Kerberos



Explore Public key infrastructure (PKI) concept and its
integration into VPN solutions



Understand Access control policies, mechanisms, and


management, and their application to VPNs



Review VPN gateway functions, including site
-
to
-
site intranet,
remote access, and extranet



Review Gateway configuration, provisioning, monitoring, and
accounting



Explore Gateway interaction with firewalls and routers



Understand VPN client implementation

issues, including
interaction with operating systems



Understand Client operation issues, including working with NAT,
DNS, and link MTU limits



Explore VPN service and network management architectures
and tunnel and security management



Review successful
VPN deployments



Discuss successful and unsuccessful VPN deployments



Step through a practical process for managing a VPN
deployment project



Explore the current and future market trends

Target Audience

IT Managers, Security Officers, Network Engineers, T
ech Support
and anyone who is interested in VPN.

Prerequisites

Basic Knowledge of TCP/IP and Networking

Course Module



Introduction



VPN Definition



Potential Uses and Benefits



VPN Motivation



The VPN Market



VPN Requirements



Building Blocks of a VPN



VPN Technologies



VPN Topology



VPN Protocols



VPN versus Mobile IP



VPN Architectures



VPN Requirements, Building Blocks, and Architectures





Implementer
-
based VPN Architectures



Security
-
based VPN Architectures



Layer
-
based VPN Architectures



Class
-
based V
PN Architectures Site
-
to
-
Site Intranet VPNs



Remote Access VPNs



Extranet VPNs



Key Aspects of VPN Security



Overview of Network Security



Internet Architecture



Security Issues Connecting to Internet



Relevant Cryptography



Generic Secure Channel



Cryptogr
aphy



Shared Key Cryptography



Public Key Cryptography



Digital Signatures



Message Authentication Codes



Tunnels and VPN



Data Integrity and Confidentiality.



VPN Tunneling Protocols



PPTP



L2F



L2TP



Ipsec



MPLS



Point
-
to
-
Point Protocol (PPP
)



Overview and Basic Operation



Basis for L2 VPN Protocols



Major Components



Wire Authentication Protocols



Backend Authentication Servers



Configuration of Network Protocols



Layer Two VPN Protocols



Common Aspects



Advantages and Disadvantages





Layer Two F
orwarding (L2F)



Point
-
to
-
Point Tunneling Protocol (PPTP)



Layer Two Tunneling Protocol (L2TP)



IP Security Protocol (IPSEC)



Basic IPsec Concepts



IPsec and VPNs



Authentication Header (AH)



Encapsulating Security Payload (ESP)



Internet Key Exchange (IKE)




Operational Modes



Security Associations



Mandatory Configurations



Issues with Remote Access



Key Management



ANX Implementation



L2TP with IPSEC



Phase 1 Negotiation



Phase 2 Negotiation



IPsec Implementation



Authentication and access control in VPN



PAP and CHAP



PPP Authentication



RADIUS



S/KEY and OTP



Trusted Third
-
Party Authentication



Kerberos



X.509 Public Key Infrastructure



Pretty Good Privacy Trust Model



Authentication in VPNs



Gateway
-
Gateway Authentication



Access Control Policy



Access C
ontrol Rules



Access Control Lists



Access Control Policy Management



Access Control in VPNs





Public Key Infrastructure (PKI) and VPNs



PKI Architecture



Certification



Validation



Trust Models



Digital Certificate Formats



X.509 Digital Certificate



Certificate Management System



Certificate Protocols



Certificate Use in VPNs



VPN SOLUTIONS and implementations



Assessing Your Environment and Needs



Design Methodology



Basic Administrative Tasks



VPN Project Management



Successful VoIP deployments



A pr
actical process for managing a VoIP deployment project



VPN Gateways.



Gateway Configuration and Provisioning



VPN Gateway and Firewall



VPN Design Issues



A VPN Solution Scenario



VPN Clients



Alternative VPN Clients



A Remote Access VPN Scenario



QOS and

Performance Issues



Factors Affecting Performance



QOS Defined



TCP Operation



Broad Protocol Options



Applicability to VPNs



Role of the ISP



Multiprotocol Label Switching (MPLS)



Evolution of Typical ISP Backbone



Attempts at Switching IP Traffic





Applicability to VPNs



VPN Network and Service Management



Network Management Architecture



Network Management Protocols



Applicable MIBs and Probes



SNMP Issues



VPN Service Management.



Service Level Agreement.



Network Operations Center (NOCs)



Redundancy

and Load
-
balancing



Integration with Existing Security



Survey of VPN Products and Services



Product Categories



Vendor Survey



Factors in Product Selection



Outsourcing Options



Future Trends