VPN: The Basics

Traditional Remote Access

Corporate Headquarters

Remote Locations

Customers, Suppliers & Consultants

Remote Users

Leased Lines

Modem Bank

A New Solution: VPN

Virtual Private Networking

Internet

Telecommuters & Mobile Users

Remote Locations

Customers, Suppliers & Consultants

Corporate Headquarters

Allowing cost effective expansion of private and secure networks

How does VPN work?

4. Authenticate Connection.

1. Connect to the Internet.

5. VPN Tunnel is complete

Intranet

Internet

3. Initiate Secure Connection to remote VPN gateway.

Database

2. Attempt to access remote private network.

Tunneling

Server

Sending Data Through the VPN Tunnel

Intranet

A tunnel establishes a secure connection between two private networks over a public medium like the Internet.

Secure VPN Tunnel

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.

VPN: Terms to Know

IPSec

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

SecureInteroperableIndustry Standard

IPSec is implemented by:

IPSec VPN

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.

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).

Digital

VPN Applications

Remote Locations

Mobile Users

Telecommuter

Corporate LAN

Corporate LAN

Corporate LAN

SonicWALL TELE2

SonicWALL SOHO2 /50

VPN Client Software

SonicWALL VPN

Internet

Corporate Headquarters

Remote Location

Nashville

Atlanta

Remote User

Florida

Rader Solutions105 Antoinette StreetLafayette, LA 70503

Tel: 337-205-4652Efax: 772-382-7694

solutions@radersolutions.com

www.radersolutions.com