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Use Case: Site-to-Site VPN for Secure Remote Access

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Site-to-site VPN


Using Virtual Private Cloud, you can establish a secure site-to-site VPN connection to your office's firewall or VPN device. The purpose of this site-to-site VPN connection is to allow your staff within your office to access your servers hosted on the VPC cloud (e.g. file server, application server) securely and seamlessly.


The site-to-site VPN will be established between your VPC's firewall and your office's firewall or VPN device, therefore all workstations within the office network will automatically be connected through the VPN. Each workstation will not have to establish the VPN connection individually. When the staff is travelling or outside their office, additional remote user VPN can be established.


How It Works

Our custom Virtual Private Cloud supports site-to-site VPN protocol. You need to have a firewall or VPN device on your office network to establish the VPN connection to the VPC.


We will configure the site-to-site VPN on the VPC's virtual router end; configuring the VPN on your office firewall will be your responsibility. While we can provide some advice to customers on how to configure the VPN connection on the office's firewall end, we advise customers to also get support and assistance from their firewall's vendor if necessary.


Below are the brands and models of the firewall / VPN devices which are officially supported:


Cisco ISR with IOS 12.4 or later
Juniper J-Series routers with JunOS 9.5 or later


We're aware that other brands and models have been known to be supported as well, as long as they support L2TP IPSec protocol for VPN connection. We are happy to work with your firewall's vendor to test and verify if your firewall or VPN device can support.


When the site-to-site VPN is established, all the workstations within the office will automatically be connected to the VPC cloud network via a secured VPN tunnel, allowing your staff to access the servers on the VPC directly using private IPs, as opposed to accessing the servers over the Internet via the public IPs.


Benefits

With site-to-site VPN, you will have secure connections between your office network and your cloud servers on the VPC, allowing you to exchange confidential data without having to worry for your data to be tapped on the network between your office and the cloud. You will be able to access your cloud servers on the VPC securely and seamlessly as if the cloud servers are within your office network.


For travelling staff, additional remote-user VPN can be configured as additional options, to allow the staff to establish individual (remote-user) VPN connection from his/her workstation when he/she is outstationed and not inside the office.

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