Human Computer Interaction - Fall 2010 Class project By Khang Nguyen Virtual Private Network Design for Remote Access Cambridge - SFO Airport Test Site

VPN Concept VPN Benefit SSL SonicWall VPN-200 Case Study – SFO Airport Site Using VNC (Virtual Network Control) Conclusion Virtual Private Network Access for SFO Airport Lidar System

3 Institutions, companies often want private networks for security. – Costly! Separate routers, T1 links, DNS infrastructure. With a VPN, institution’s inter-office traffic is sent over public Internet instead. – But inter-office traffic is encrypted before entering public Internet Virtual Private Networks (VPNs)

4 San Francisco New York Dallas Chicago Fully Meshed Leased Line or Frame Relay Network San Francisco New York Dallas Chicago Internet Fully meshed VPN network LAN-to-LAN: Leased Line and VPN

IP header IPsec header Secure payload IP header IPsec header Secure payload IP header IPsec header Secure payload IP header payload IP header payload headquarters branch office salesperson in hotel Public Internet laptop w/ IPsec Router w/ IPv4 and IPsec Router w/ IPv4 and IPsec Virtual Private Network (VPN)

6 VPN Benefits Save Money (Reduce NW Costs by 30-60%) –Reduce private leased line charges Increase Business Speed and Flexibility –Internet can be accessed everywhere through many technologies –Internet capacity is available on demand Save Money (Reduce NW Costs by 30-60%) –Reduce private leased line charges Increase Business Speed and Flexibility –Internet can be accessed everywhere through many technologies –Internet capacity is available on demand VPN Technology

7 Basic VPN Concepts –Tunneling –Encryption –Authentication Associated VPN Concepts –Routing –Firewalling –Load Balancing Basic VPN Concepts –Tunneling –Encryption –Authentication Associated VPN Concepts –Routing –Firewalling –Load Balancing

8 Sonicwall SSL-VPN 200

9 VPN Components Sonicwall VPN-200 appliance – Dedicated Hardware Platform – Secure Sockets Layer VPN NetExtender for Windows – Not require any manual client installation. – Transparent to end user – IPSec VPN – Works with existing client and server applications

Router Setup with static IP address

Router Port forwarding

SonicWall VPN-200 Setup

SSL-VPN NetExtender

Equipments & ISP Linksys router Cable/DSL 4-Ports BEFSR41 $125 Sonicwall VPN 200 $500 NightHawk Power Recycle $500 4 Ports Web Remote power $175 8 Ports Switch $50 ISP Wireless with static IP Covad Communication provide the service 10/10M at the cost $900 per month

Cambridge-SFO Testing Site Internet Router Cambridge, MA Benefits: Extend the network to remote users WinExtraction PC Lidar System NAS VPN Client NetExtender ISP Sonic VPN ADS-B PC SFO Lidar Testing Site

Linksys Router SonicW VPN Power Recycle Night Hawk Outlets Web Remote Power Control ISP Covad On/Off Power 110 V 8 ports Switch 10/100 Lidar System /100 10/10 Wireless 11A-5.6GHz 10/100 On/Off Win Extraction PC Weather Sensor PC On/Off 10/100 FTP Server from Cambridge Virtual LAN Granting VPN Access Requesting VPN Access On/Off VPN Access at SFO Lidar Network

17 Case Study – SFO Lidar System SFO Lidar Systems: Using VNC (virtual Network Control) application to access to – A Lidar System at San Francisco Airport SOLUTION It creates and maintains a virtual link. It encrypts and decrypts data to reduce snooping by others It guarantees the authenticity of the sender and receiver

WindTracer Lidar at SFO Airport Wireless ISP

Environmental Equipment Shelter: Interior Subsystems-Lidar Movable LRU (Scanner Driver) Movable LRU (SMCC) Movable LRU (Monitor/Keyboard) Movable LRU (Gateway PC) Tall Equipment Rack Houses majority of electronics Local GUI operation Tall Equipment Rack Houses majority of electronics Local GUI operation Movable LRUs can be slid out without disconnecting cables from rear panel.

SSL-VPN NetExtender Connection to SFO

21 Case Study – SFO Lidar System SFO Lidar Systems: Using VNC (virtual Network Control) application to access to – A Lidar System at San Francisco Airport

22 Connecting to SFO Lidar System

Lidar Display

24 Conclusion Save Money (Reduce NW Costs by 30-60%) Increase Business Speed and Flexibility Improve Security Use Existing Applications, Infrastructure and User Environments Build a secured, easy to use, scalable and standard base Business Network Increase your Business competitiveness thru SonicWall VPN

25 Thank You