10.2.3 IPSec > The setting of X.509 Certificates
The interface shows the setting items of X.509 Certificates.
You need to create the IPSec Security Keys by clicking Create button, including Root CA,
Local, Remote and Remote CA. E.g. To create Root CA file, click the Root CA button.
For the IPSec connection, the client should set up properly Root CA, Local, Remote and
Remote CA key and cert files. The files could be downloaded by clicking
Download button after the file genearted.
You can import the files of local and remote CA from the server.
10.3 VPN > GRE
This section allows you to set GRE configuration. The default mode is off.
Generic Routing Encapsulation (GRE) is one of the available tunneling mechanisms which
uses IP as the transport protocol and can be used for carrying many different passenger
protocols. The tunnels behave as virtual point-to-point links that have two endpoints identified
by the tunnel source and tunnel destination addresses at each endpoint.