Ipsec Vpns; Interoperability With Ipsec Vpn Products - D-Link D DFL-500 DFL-500 Manual

Network security firewall
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IPSec VPNs

Using IPSec Virtual Private Networking (VPN), you can securely join two or more widely separated private
networks or computers together through the Internet. For example, if you are away from home, you can use a
VPN to securely connect through your DFL-500 NPG to your home network. If you tele-commute, you can
securely connect from your home network through your DFL-500 NPG to your employer's private network.
The secure IPSec VPN tunnel makes it appear to all VPN users that they are on physically connected
networks. The VPN protects data passing through the tunnel by encrypting it to guarantee confidentiality. In
addition, authentication guarantees that the data originated from the claimed sender and was not damaged or
altered in transit.
IPSec is an Internet security standard for VPN and is supported by most VPN products. DFL-500 IPSec VPNs
support three VPN configurations:
Auto Internet Key Exchange (IKE) key VPN
Manual Key Exchange VPN
Dialup VPN
Both AutoIKE key and manual key configurations are used to connect remote clients or VPN gateways that
have static IP addresses to a DFL-500 VPN gateway. Dialup VPN uses an AutoIKE key configuration that
allows clients or remote gateways with dynamic IP addresses to connect to the DFL-500 VPN gateway.
IPSec VPN is not supported in Transparent mode.
This chapter describes:

Interoperability with IPSec VPN products

Configuring AutoIKE key IPSec VPN
Configuring manual key IPSec VPN
Configuring dialup VPN
Configuring a VPN concentrator for hub and spoke VPN
Configuring IPSec redundancy
Adding a remote gateway
Adding an AutoIKE key VPN tunnel
Adding a manual key VPN tunnel
Adding a VPN concentrator
Adding an encrypt policy
Viewing VPN tunnel status
Viewing dialup VPN connection status
Testing a VPN
Interoperability with IPSec VPN products
Because the DFL-500 NPG supports the IPSec industry standard for VPN, you can configure a VPN between
a DFL-500 NPG and any client or gateway/firewall that supports IPSec VPN.
DFL-500 IPSec VPNs support:
IPSec Internet Protocol Security standard
Automatic IKE based on pre-shared key
Manual Keys that can be fully customized
DFL-500 User Manual
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