VPN:  Virtual Private Network Presented By: Gregg Dowdy Liz Farricker Whitney Mayoras
Outline <ul><li>Introductions </li></ul><ul><li>What is it? </li></ul><ul><li>Overview </li></ul><ul><li>Security/Tunnelin...
Introductions <ul><li>Gregg </li></ul><ul><ul><li>BSG – Student Developer </li></ul></ul><ul><ul><li>Unified Western Groce...
VPN: What is it? <ul><li>Virtual Private Network </li></ul><ul><li>Remote network communication through Internet </li></ul...
VPN: Types <ul><li>Secure VPNs use cryptographic tunneling protocols. </li></ul><ul><ul><li>IPsec, SSL/TLS, OpenVPN, PPTP,...
VPN: Security <ul><li>Encryption </li></ul><ul><li>IPSec </li></ul><ul><li>Authentication </li></ul><ul><ul><li>User/Syste...
VPN: Tunneling <ul><li>Requires 3 protocols </li></ul><ul><ul><li>Carrier </li></ul></ul><ul><ul><ul><li>Default network p...
VPN: Encapsulation Figure  1
VPN: Tunneling (cont.) <ul><li>Two Basic types of tunneling </li></ul><ul><ul><li>Site-to-Site </li></ul></ul><ul><ul><ul>...
VPN: Advantages <ul><li>Cost Effective </li></ul><ul><li>Greater scalability </li></ul><ul><li>Easy to add/remove users </...
VPN: Disadvantages <ul><li>Understanding of security issues </li></ul><ul><li>Unpredictable Internet traffic </li></ul><ul...
VPN Demonstration Click on Start – select Network Connections
VPN Demonstration In Network Connections on the left hand side there is a link to “Create New Connection” – click on this ...
VPN Demonstration Select “Connect to the Network at my Workplace”
VPN Demonstration Select “Virtual Private Network Connection”
VPN Demonstration Make a name for this connection that you are establishing – to distinguish this connection from other VP...
VPN Demonstration For this demonstration I am trying to connect to my wireless router off campus therefore the IP address ...
VPN Demonstration Personal preference as to whether or not you want other users to be able to use this VPN connection on t...
VPN Demonstration
VPN Demonstration
VPN Demonstration This is a profile (username and password) that has already been created on your router – which can be cr...
VPN Demonstration
VPN Demonstration In Start – Run insert the IP address of the computer that you want to access that is connected to the ro...
VPN Demonstration Using the same username and password already established for the router you can connect to this specific...
VPN Demonstration These are only the files that are “shared” on this computer
How to Connect to OSU: <ul><li>How to connect to OSU: </li></ul><ul><li>Dave Sullivan made a helpful  Tutorial   </li></ul...
References <ul><li>[Figure 1]  <www.csun.edu/~vcact00f/311/termProjects/700class/VPN.ppt> </li></ul><ul><li>Mitchell, Brad...
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Vpn 3 13_07

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VIRTUAL PRIVATE NETWORK

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Vpn 3 13_07

  1. 1. VPN: Virtual Private Network Presented By: Gregg Dowdy Liz Farricker Whitney Mayoras
  2. 2. Outline <ul><li>Introductions </li></ul><ul><li>What is it? </li></ul><ul><li>Overview </li></ul><ul><li>Security/Tunneling </li></ul><ul><li>Advantages and Disadvantages </li></ul><ul><li>Demonstration </li></ul>
  3. 3. Introductions <ul><li>Gregg </li></ul><ul><ul><li>BSG – Student Developer </li></ul></ul><ul><ul><li>Unified Western Grocers – Retail Technology Specialist </li></ul></ul><ul><li>Liz </li></ul><ul><ul><li>BSG – Business Analyst </li></ul></ul><ul><ul><li>ResNet – Network Technician </li></ul></ul><ul><ul><li>COB CRC: Tier 2/3 Support Technician </li></ul></ul><ul><li>Whitney </li></ul><ul><ul><li>BSG – Student Tester/Analyst </li></ul></ul>
  4. 4. VPN: What is it? <ul><li>Virtual Private Network </li></ul><ul><li>Remote network communication through Internet </li></ul><ul><li>Used by companies/organizations who want to communicate confidentially </li></ul><ul><li>Two parts: </li></ul><ul><ul><li>Protected or “inside” network </li></ul></ul><ul><ul><li>“ Outside” network or segment (less trustworthy) </li></ul></ul>
  5. 5. VPN: Types <ul><li>Secure VPNs use cryptographic tunneling protocols. </li></ul><ul><ul><li>IPsec, SSL/TLS, OpenVPN, PPTP, L2TP, L2TPv3, VPN-Q and MPVPN </li></ul></ul><ul><li>Trusted VPNs rely on the security of a single provider’s network to protect the traffic. </li></ul><ul><ul><li>MPLS and L2F </li></ul></ul>
  6. 6. VPN: Security <ul><li>Encryption </li></ul><ul><li>IPSec </li></ul><ul><li>Authentication </li></ul><ul><ul><li>User/System and Data </li></ul></ul><ul><ul><li>AAA Servers </li></ul></ul><ul><ul><ul><li>(Authentication, Authorization, and Accounting) </li></ul></ul></ul><ul><li>Firewalls </li></ul>
  7. 7. VPN: Tunneling <ul><li>Requires 3 protocols </li></ul><ul><ul><li>Carrier </li></ul></ul><ul><ul><ul><li>Default network protocol </li></ul></ul></ul><ul><ul><li>Passenger </li></ul></ul><ul><ul><ul><li>Original data </li></ul></ul></ul><ul><ul><li>Encapsulation </li></ul></ul><ul><ul><ul><li>GRE, IPSec, L2F, PPTP, L2TP </li></ul></ul></ul>
  8. 8. VPN: Encapsulation Figure 1
  9. 9. VPN: Tunneling (cont.) <ul><li>Two Basic types of tunneling </li></ul><ul><ul><li>Site-to-Site </li></ul></ul><ul><ul><ul><li>Typically uses GRE </li></ul></ul></ul><ul><ul><li>Remote-Access </li></ul></ul><ul><ul><ul><li>Typically uses PPP </li></ul></ul></ul>
  10. 10. VPN: Advantages <ul><li>Cost Effective </li></ul><ul><li>Greater scalability </li></ul><ul><li>Easy to add/remove users </li></ul><ul><li>Mobility </li></ul><ul><li>Security </li></ul>
  11. 11. VPN: Disadvantages <ul><li>Understanding of security issues </li></ul><ul><li>Unpredictable Internet traffic </li></ul><ul><li>Difficult to accommodate products from different vendors </li></ul>
  12. 12. VPN Demonstration Click on Start – select Network Connections
  13. 13. VPN Demonstration In Network Connections on the left hand side there is a link to “Create New Connection” – click on this and a wizard will pop up assisting the user
  14. 14. VPN Demonstration Select “Connect to the Network at my Workplace”
  15. 15. VPN Demonstration Select “Virtual Private Network Connection”
  16. 16. VPN Demonstration Make a name for this connection that you are establishing – to distinguish this connection from other VPN connections that might already be established
  17. 17. VPN Demonstration For this demonstration I am trying to connect to my wireless router off campus therefore the IP address that I insert is the IP address for my router which I can find out by running an ipconfig and it is the IP address for your default gateway NOTE: Not all routers will allow users to VPN into it
  18. 18. VPN Demonstration Personal preference as to whether or not you want other users to be able to use this VPN connection on this computer
  19. 19. VPN Demonstration
  20. 20. VPN Demonstration
  21. 21. VPN Demonstration This is a profile (username and password) that has already been created on your router – which can be created by typing in the IP address of your router in a web browser
  22. 22. VPN Demonstration
  23. 23. VPN Demonstration In Start – Run insert the IP address of the computer that you want to access that is connected to the router
  24. 24. VPN Demonstration Using the same username and password already established for the router you can connect to this specific computer
  25. 25. VPN Demonstration These are only the files that are “shared” on this computer
  26. 26. How to Connect to OSU: <ul><li>How to connect to OSU: </li></ul><ul><li>Dave Sullivan made a helpful Tutorial </li></ul><ul><li>First on the Engineering Website you have to download the Cisco VPN Client </li></ul><ul><li>One must acquire authorization information prior to using the VPN service </li></ul><ul><li>Once registration is complete you download the appropriate client depending on your operating system; and follow the steps to complete the connection </li></ul>
  27. 27. References <ul><li>[Figure 1] <www.csun.edu/~vcact00f/311/termProjects/700class/VPN.ppt> </li></ul><ul><li>Mitchell, Bradley. &quot;VPN Tutorial.&quot; About.Com . 2007. 8 Mar. 2007 <http://compnetworking.about.com/od/vpn/l/aa010701a.htm>. </li></ul><ul><li>Tyson, Jeff. &quot;How Virtual Private Networks Work.&quot; How Stuff Works . 6 Mar. 2007 <http://computer.howstuffworks.com/vpn.htm>. </li></ul><ul><li>&quot;Virtual Private Network.&quot; Wikipedia: the Free Encyclopedia . 6 Mar. 2007. 9 Mar. 2007 <http://en.wikipedia.org/wiki/Vpn>. </li></ul>

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