VPN: The Basics
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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
www.radersolutions.com