Advanced > Security > Ipsec > Rule1 (To Rule3) - Kyocera FS C5015N - Color LED Printer Operation Manual

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Advanced > Security > IPSec > Rule1 (to Rule3)
3-53
Shows whether the set rule is enabled or disabled. To enable or disable the
rule, refer to Advanced > Security > IPSec > Rule1 (to Rule3)
These pages allow you to select or edit rules to use for IPSec protocol-based
communication.
Rule
Specifies whether or not to enable the selected IPSec policy rule. Select On
to enable the rule. Select Off to disable it.
Key Exchange (IKE phase1)
When using IKE phase1, a secure connection with the other end is
established by generating ISAKMP SAs. Configure the following items so
that they meet the requirement of the other end.
• Mode
Main Mode protects identifications but requires more messages to be
exchanged with the other end. Aggressive Mode requires fewer messages
to be exchanged with the other end than Main Mode but restricts
identification protection and narrows the extent of the parameter negotiations.
When Aggressive Mode is selected and Preshared is selected for
Authentication Type, only host addresses can be specified for IP addresses
of the rule.
• Hash
Selects the hash algorithm.
• Encryption
Selects the encryption algorithm.
• Diffie-Hellman Group
The Diffie-Hellman key-sharing algorithm allows two hosts on an unsecured
network to share a private key securely. Select the Diffie-Hellman group to
use for key sharing.
• Lifetime (Time)
Specifies the lifetime of an ISAKMP SA in seconds.
Data Protection (IKE phase2)
In IKE phase2, IPSec SAs such as AH or ESP are established by using SAs
established in IKE phase1. Configure the following items so that they meet
the requirement of the other end.
• Protocol
Select ESP or AH for the protocol. ESP protects the privacy and integrity of
the packet contents. Select the hash algorithm and encryption algorithm
below. AH protects the integrity of the packet contents using encryption
checksum. Select the hash algorithm below.
• Hash
Selects the hash algorithm.
• Encryption
Selects the encryption algorithm. (When ESP is selected under Protocol.)
• PFS
When PFS is set to On (enabled), even if a key is decrypted, the decrypted
key cannot be used to decrypt the other keys generated after the decryption.
on page 3-53.
User Guide