DSL-G804V Wireless ADSL Router User’s Guide
IPSec - Advanced Option
(
In the VPN/IPSec List, select a IPSec rule then click the
Edit
to modify)
This function is only available after completed creating an IPSec account. Click
Advanced Option
to change the
following settings:
Figure 4-14. VPN – IPSec Advanced Option
Parameter
Description
IKE Mode
Select IKE (Internet Key Exchange) mode to Main mode or Aggressive mode.
IKE provides secured key generation and key management.
IKE Proposal
Hash Function
It is a Message Digest algorithm which coverts any length of a message into a
unique set of bits. It is widely used MD5 (Message Digest) and SHA-1
(Secure Hash Algorithm) algorithms.
Encryption
Select the encryption method from the pull-down menu. There are several
options,
DES
,
3DES
and
AES(128, 192 and 256)
. 3DES and AES are more
powerful but increase latency.
Diffie-Hellman
Group
It is a public-key cryptography protocol that allows two parties to establish a
shared secret over an unsecured communication channel (i.e. over the
Internet). There are three modes, MODP 768-bit, MODP 1024-bit and MODP
1536-bit. MODP stands for Modular Exponentiation Groups.
Local ID
Type
Specify Local ID type.
Content
Input Local ID’s information, either email or domain name.
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