Canon MF512 Series, User Manual, Page: 588 / 913

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Specify the IKE Settings.
[IKE Mode]
The mode used for the key exchange protocol is displayed. The machine supports the main mode, not the
aggressive mode.
[Authentication Method]
Select [Pre-Shared Key Method] or [Digital Signature Method] for the method used when authenticating the
machine. You need to enable TLS for the Remote UI before selecting [Pre-Shared Key Method] ( Enabling
TLS Encrypted Communication for the Remote UI(P. 570) ). You need to generate or install a key pair
before selecting [Digital Signature Method] ( Configuring Settings for Key Pairs and Digital
Certificates(P. 588) ).
[Valid for]
Specify how long a session lasts for IKE SA (ISAKMP SA). Enter the time in minutes.
[Authentication]/[Encryption]/[DH Group]
Select an algorithm from the drop-down list. Each algorithm is used in the key exchange.
[Authentication] Select the hash algorithm.
[Encryption] Select the encryption algorithm.
[DH Group] Select the Diffie-Hellman group, which determines the key strength.
Using a pre-shared key for authentication
1
Click the [Pre-Shared Key Method] radio button for [Authentication Method] and then click [Shared Key
Settings].
2
Enter up to 24 alphanumeric characters for the pre-shared key and click [OK].
Security
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