1 / 15

V P N

V P N. V P N. Renjie Weng rweng@stevens.edu. cs615 presentation 4/22/2013. Virtual Private Network. extends a private network across public networks like the Internet. Virtual Private Network. extends a private network across public networks like the Internet OpenVPN & EC2.

avital
Download Presentation

V P N

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. V P N V P N RenjieWengrweng@stevens.edu cs615 presentation 4/22/2013

  2. Virtual Private Network • extends a private network across public networks like the Internet

  3. Virtual Private Network • extends a private network across public networks like the Internet • OpenVPN & EC2

  4. Virtual Private Network • extends a private network across public networks like the Internet • OpenVPN & EC2 • 2 private network behind NAT

  5. Virtual Private Network • extends a private network across public networks like the Internet • OpenVPN & EC2 • 2 private network behind NAT • Routing

  6. Virtual Private Network • extends a private network across public networks like the Internet • OpenVPN & EC2 • 2 private network behind NAT • Routing • Bridging

  7. Routing VS. Bridging Bridged mode -- Layer 2 -- Data Link • Works well with application-layer protocols that depend on LAN broadcast resolution • Can tunnel non-IP protocols

  8. Routing / NAT -- Layer 3 – Network • More efficient and scalable • Greater control over IP and routing configuration • Doesn't work well with application-layer protocols that depend on broadcast resolution

  9. Virtual Private Network How to set up: Download Server Package from OpenVPN.net Or, AWS AMIs

  10. VPN VS. VLAN • VPN is a method of creating a smaller sub network on top of an existing bigger network while VLAN is a subcategory of VPN

  11. VPN VS. VLAN • VPN is a method of creating a smaller sub network on top of an existing bigger network while VLAN is a subcategory of VPN • A VLAN is used to group computers that are not usually within same geography into the same broadcast domain while VPN is most commonly related to remote access to a company’s network

  12. VPN VS. PROXY • sniffing • transparent • uptime < 25%

  13. goagent • AWS charges, GAE doesn't. • 1 GigaBytes / day for ONE application • Build one for your own • Easy to distribute • http://code.google.com/p/goagent/

  14. Reference OpenVPN server: http://openvpn.net/index.php/access-server/download-openvpn-as-sw.html OpenVPN client: http://openvpn.net/?option=com_content&id=357 Install OpenVPNserver on CentOS: (1) http://www.youtube.com/watch?v=aH1wkLZGhPQ (2) http://www.server-world.info/en/note?os=CentOS_6&p=openvpn (Server Directory: /usr/local/openvpn_as ; Admin: https://xxx:943/admin/ ) VPN client configmanager on Ubuntu: http://www.youtube.com/watch?v=IgsU86jdXIc *Bridge: http://openvpn.net/index.php/open-source/documentation/miscellaneous/76-ethernet-bridging.html Amazon Build-in OpenVPN AMIs: OpenVPN Access Server: http://docs.openvpn.net/how-to-tutorialsguides/virtual-platforms/amazon-ec2-appliance-ami-quick-start-guide/ StarCraft tools: http://www.teamliquid.net/forum/viewmessage.php?topic_id=72621

  15. Thank all. Q & A

More Related