Click the Add button to insert a new VPN rule. Create VPN Gateway Policy (Phase1) To create a Phase1 VPN policy, go to Configuration VPN IPSec VPN and click on the VPN Gateway tab. The negotiation results in a minimum of two unidirectional security associations, one inbound and one outbound. During Phase2, the remote IPSec client use the secure channel established in Phase1 to negotiate Security Associations for IPSec. The authentication can be performed using a pre-shared key (shared secret) or certificate.
This negotiation results in one single by-directional ISAKMP Security Association (SA). Phase1 s purpose is to establish a secure authenticated communication channel by using Diffie-Hellman (DH) keys exchange algorithm to generate a shared secret key to encrypt IKE communications. 11/33ġ3 IPSec VPN Setup IPSec VPN consists of two phases: Phase1 (also known as IKE) and Phase2 (also known as IPSec).
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This certificate will be applied to the Windows OS for IKEv2 authentication later on this guide. Click on Export Certificate Only button to export the certificate to your machine. Provide a name for the certificate Cert_For_Windows for example An FQDN or dynamic DNS account is needed to fill in the certificate criteria, select the Host Domain Name radio and fill in the FQDN/DDNS Set the Key Length to use a 2048-bit certificate key Check the boxes to use the certificate for Server Authentication, Client Authentication and IKEIntermediate Leave all other settings/option alone Click OK to create the new certificate 10/33ġ1 Once the certificate has been created double-click on it to edit.
Go to Configuration Object Certificate and click the Add button under the My Certificates tab to create a new certificate for the IKEv2 VPN authentication. Because Windows (Win7 or later) supports IKEv2 with certificate for authentication, a certificate will need to be created to allow users VPN authentication. Certificates provide a way to exchange public keys for use in authentication. A certificate contains the owner s identity and public key. Certificates are based on public-private key pairs. Provide a name for the group IKEv2_User_Group for example Give a description for the group object (optional) Select the user accounts from the Available list and move the accounts over to the Member list Click the OK button to save the settings 9/33ġ0 VPN Certificate The USG can use certificates (also called digital ID s) to authenticate users. Click the Add button to insert a group entry. To add user groups click on the Group tab under the Configuration Object User/Group menu. Provide a name for the object All-Traffic for example 6/33ĩ User Account Group If multiple user accounts have been created, they will need to be grouped together so all users can be applied to the IKEv2 VPN rule for authentication. Provide a name for the object IKEv2_POOL for example Select RANGE from the Address Type drop down box Enter a starting IP address and ending IP address for the example we are using ~ Click the OK button to save the settings All Traffic Address Object Click the Add button to insert the second object. IKEv2 Address Pool Click the Add button to insert the new address object. To begin creating the address objects go to menu Configuration Object Address. The second address object will reflect the IP traffic that will be allowed through the tunnel, in this case all traffic. The first address object will be for the IKEv2 address pool, this will be the IP addresses that Windows clients will receive upon a successful VPN connection. This walkthrough goes over a VPN setup for IKEv2 traffic, thus two address objects will need to be created. Address objects are used in dynamic routes, security policies, application patrol, content filtering and VPN connection policies. 6 Creating Address Objects Address objects can represent a single IP address or a range or IP addresses.
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