VPN: The Basics

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VPN The Basics
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Traditional Remote Access
Remote Locations
Leased Lines
Corporate Headquarters
Customers, Suppliers Consultants
Remote Users
Modem Bank
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A New Solution VPN
Virtual Private Networking
Allowing cost effective expansion of private and
secure networks
Telecommuters Mobile Users
Corporate Headquarters
Internet
Remote Locations
Customers, Suppliers Consultants
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How does VPN work?
1. Connect to the Internet.
2. Attempt to access remote private network.
3. Initiate Secure Connection to remote VPN
gateway.
Internet
4. Authenticate Connection.
5. VPN Tunnel is complete
Intranet
Database
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Tunneling
Sending Data Through the VPN Tunnel
Intranet
Server
Secure VPN Tunnel
A tunnel establishes a secure connection between
two private networks over a public medium like
the Internet.
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Why is VPN the Best Solution?

• VPN allows businesses and users to securely
  access remote LAN resources without the added
  cost of dedicated leased lines.

• Increased productivity.
• Flexible working hours.
• Scalable infrastructure.
• Centralization of shared data.
• Save on long distance phone charges.
• Network security policy enforcement.
• Less maintenance of remote access equipment.

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VPN Terms to Know

• IPSec
• Internet Protocol Security (IPSec) is an industry
  standard enabling secure communications over the
  Internet.

• Secure
• Interoperable
• Industry Standard

IPSec is implemented by
IPSec VPN
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VPN Terms to Know

• Security Association
• A Security Association is the group of settings
  that allow communication between VPN devices
  and/or VPN client software.
• Security Associations define VPN settings such as
  encryption, destination network, security
  association name, and pre-shared secret.

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VPN Terms to Know

• Authentication in VPN is determining if the
  remote VPN user is who or what it is declared to
  be.
• The use of Digital Certificates for VPN is
  considered a strong authentication mechanism.

• Digital Certificates are maintained and issued
  using a Public Key Infrastructure (PKI).

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VPN Applications
Corporate LAN
VPN Client Software
Mobile Users
Corporate LAN
SonicWALL TELE2
Telecommuter
Corporate LAN
SonicWALL SOHO2 /50
Remote Locations
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SonicWALL VPN
Corporate Headquarters
Remote User
Internet
Atlanta
Florida
Remote Location
Nashville
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Rader Solutions 105 Antoinette Street Lafayette,
LA 70503 Tel [phone] Efax
772-382-7694 solutions_at_radersolutions.com www.ra
dersolutions.com