![]() ![]() 3DES: Triple-DES, in which plain text is encrypted three times by three keys.DES: Digital Encryption Standard, a 64-bit block algorithm that uses a 56-bit key.Select one of the following symmetric-key encryption algorithms: The remote peer or client must be configured to use at least one of the proposals that you define. You need to select a minimum of one and a maximum of three combinations. ![]() Select the encryption and authentication algorithms used to generate keys for protecting negotiations and add encryption and authentication algorithms as required. Configure IKE Phase 1 and IKE Phase 2 settings. For optimum protection against currently known attacks, the key must consist of a minimum of 16 randomly chosen alphanumeric characters.Īlternatively, you can select to generate a random pre-shared key.ĭefine the IKE Profile. The key must contain at least 6 printable characters. You must define the same key at the remote peer or client. When you select Specify, type the pre-shared key that the FortiGate unit will use to authenticate itself to the remote peer or dialup client during phase 1 negotiations. If you selected Pre-shared Key, select Generate or Specify. You can also create certificate templates on the Device Manager > Provisioning Templates > Certificate Templates pane. Fortinet provides several default certificate templates. If you selected Certificates, select a certificate template. Internet Key Exchange (IKE) is performed automatically based on pre-shared keys or X.509 digital certificates. When you select Pre-shared Key, FortiGate implements the Encapsulated Security Payload (ESP) protocol.
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