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Post on 16-Feb-2016
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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
Virtual Private Network
extends a private network across public networks like the Internet
OpenVPN & EC2 2 private network behind NAT
Virtual Private Network
extends a private network across public networks like the Internet
OpenVPN & EC2 2 private network behind NAT Routing
Virtual Private Network
extends a private network across public networks like the Internet
OpenVPN & EC2 2 private network behind NAT Routing Bridging
Virtual Private Network
Bridged mode -- Layer 2 -- Data Link
Works well with application-layer protocols that depend on LAN broadcast resolution
Can tunnel non-IP protocols
Routing VS. Bridging
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
Virtual Private Network
How to set up: Download Server Package from OpenVPN.net Or, AWS AMIs
VPN is a method of creating a smaller sub network on top of an existing bigger network while VLAN is a subcategory of VPN
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
VPN VS. VLAN
sniffing transparent uptime < 25%
VPN VS. PROXY
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/
goagent
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 OpenVPN server 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 config manager 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
Reference
Thank all.Q & A
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