Ricoh MP 2553 Series Read Me First page 510

5. Enhanced Network Security
Authentication Method
PSK Text
Phase 1
Hash Algorithm
Phase 1
Encryption Algorithm
Phase 1
Diffie-Hellman Group
Phase 1
Validity Period
152
Setting
Specify the method for
authenticating transmission
partners.
(auto setting)
Specify the pre-shared key for
PSK authentication.
Specify the Hash algorithm to
be used in phase 1.
(auto setting)
Specify the encryption
algorithm to be used in phase
1.
(auto setting)
Select the Diffie-Hellman
group number used for IKE
encryption key generation.
(auto setting)
Specify the time period for
which the SA settings in phase
1 are valid.
Description
• PSK
• Certificate
If you specify "PSK", you must
then set the PSK text (using
ASCII characters).
If you are using "PSK", specify
a PSK password using up to
32 ASCII characters.
If you specify "Certificate", the
certificate for IPsec must be
installed and specified before
it can be used.
Enter the pre-shared key
required for PSK
authentication.
• MD5
• SHA1
• SHA256
• SHA384
• SHA512
• DES
• 3DES
• AES-128-CBC
• AES-192-CBC
• AES-256-CBC
• 1
• 2
• 14
Set in seconds from 300 sec.
(5 min.) to 172800 sec. (48
hrs.).
Setting value