Ricoh SP 4520DN - Page 279

Setting Description Setting value
Phase 1
Hash Algorithm
Specify the Hash algorithm to be
used in phase 1.
(auto setting)
• MD5
•
SHA1
• SHA256
• SHA384
• SHA512
Phase 1
Encryption Algorithm
Specify the encryption algorithm to
be used in phase 1.
(auto setting)
• DES
•
3DES
• AES-128-CBC
• AES-192-CBC
• AES-256-CBC
Phase 1
Diffie-Hellman
Group
Select the Diffie-Hellman group
number used for IKE encryption
key generation.
(auto setting)
• 1
• 2
• 14
Phase 1
Validity Period
Specify the time period for which
the SA settings in phase 1 are
valid.
Set in seconds from 300 sec. (5
min.) to 172800 sec. (48 hrs.).
Phase 2
Security Protocol
Specify the security protocol to be
used in Phase 2.
To apply both encryption and
authentication to sent data, specify
"ESP" or "ESP+AH".
To apply authentication data only,
specify "AH".
(auto setting)
• ESP
•
AH
• ESP+AH
Phase 2
Authentication
Algorithm
Specify the authentication
algorithm to be used in phase 2.
(auto setting)
• HMAC-MD5-96
• HMAC-SHA1-96
• HMAC-SHA256-128
• HMAC-SHA384-192
• HMAC-SHA512-256
Configuring IPsec
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