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IPSec Security Method
Medium
Advanced
Vigor2910 Series User's Guide
This group of fields is a must for IPSec Tunnels and L2TP
with IPSec Policy.
Authentication Header (AH) means data will be
authenticated, but not be encrypted. By default, this option is
active.
High (ESP-Encapsulating Security Payload)- means
payload (data) will be encrypted and authenticated. Select
from below:
DES without Authentication -Use DES encryption algorithm
and not apply any authentication scheme.
DES with Authentication-Use DES encryption algorithm and
apply MD5 or SHA-1 authentication algorithm.
3DES without Authentication-Use triple DES encryption
algorithm and not apply any authentication scheme.
3DES with Authentication-Use triple DES encryption
algorithm and apply MD5 or SHA-1 authentication algorithm.
AES without Authentication-Use AES encryption algorithm
and not apply any authentication scheme.
AES with Authentication-Use AES encryption algorithm and
apply MD5 or SHA-1 authentication algorithm.
Specify mode, proposal and key life of each IKE phase,
Gateway etc.
The window of advance setup is shown as below:
IKE phase 1 mode -Select from Main mode and Aggressive
mode. The ultimate outcome is to exchange security proposals
to create a protected secure channel. Main mode is more
secure than Aggressive mode since more exchanges are done
in a secure channel to set up the IPSec session. However, the
Aggressive mode is faster. The default value in Vigor router is
Main mode.
IKE phase 1 proposal-To propose the local available
authentication schemes and encryption algorithms to the VPN
peers, and get its feedback to find a match. Two combinations
are available for Aggressive mode and thirty for Main mode.
We suggest you select the combination that covers the most
schemes. Below shows the available proposals:
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