Ricoh M C251FW, Руководство пользователя

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Item Description
Life Time Specify the life time of the IPsec SA (Security Association) as a time period
or data volume. The SA will expire when the time period you specify
elapses or the volume of data you specify reaches the volume carried.
If you specify both a time period and a data volume, the SA will expire as
soon as either is reached, and a new SA will then be obtained by
negotiation.
To specify the life time of the SA as a time period, enter a number of
seconds (300-172800).
To specify the life time of the SA as a data volume, enter a number of KBs
(20480-2147483647).
Key Perfect Forward
Secrecy Select whether to enable or disable PFS (Perfect Forward Secrecy).
IKE Settings
Item Description
IKE Version Displays the IKE version.
Encryption Algorithm Specify the encryption algorithm from the following:
[DES], [3DES], [AES-128], [AES-192], [AES-256]
Authentication
Algorithm Specify the authentication algorithm from the following:
[MD5], [SHA1]
IKE Life Time Specify the life time of the ISAKMP SA as a time period. Enter a number of
seconds (300-172800).
IKE Diffie-Hellman
Group Select the IKE Diffie-Hellman Group to be used in the generation of the IKE
encryption key from the following:
[DH1], [DH2]
Pre-Shared Key Specify the PSK (Pre-Shared Key) to be used for authentication of a
communicating device. Can contain up to 32 characters.
Key Perfect Forward
Secrecy Select whether to enable or disable PFS (Perfect Forward Secrecy).
Configuring the IPsec Settings
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