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Chapter 7. VPN Settings 61
If you select Manual
, the following options appear:
Parameter Select or enter . . .
ESP
(
E
ncapsulating
S
ecurity
P
ayload)
Select an encryption algorithm:
3DES
(a mode of the
D
ata
E
ncryption
S
tandard algorithm that encrypts data three
times)
AES 128
(128-bit
A
dvanced
E
ncryption
S
tandard)
NULL
– no encryption
Select an authentication algorithm:
MD5
(A digital signature algorithm)
SHA1
(
S
ecure
H
ash
A
lgorithm)
SPI
(
S
ecurity
P
arameters
I
ndex)
The
S
ecurity
P
arameters
I
ndex is a random
value added to the packet header in Ipsec-
protected traffic. The SPI serves as an index to
a table of security parameters such as hash
algorithm, secret data, and many other
parameters.
Enter a numeric or hex value 100-FFF.
Encryption Key
Enter an encryption key.
Authentication
Key
Enter an authentication key.
Apply Changes
Click this button to save your entries.
Reset
Click to restore the VPN Client defaults.
Refresh
Click to update the connection status.
Back
Click to return to the main VPN Setup page.