Справочник Пользователя для ZyXEL Prestige 202H Plus ISDN Router 91-003-154001B
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91-003-154001B
P-202H Plus v2 User’s Guide
117
Chapter 11 VPN Screens
.
11.3 My IP Address
My IP Address is the WAN IP address of the ZyXEL Device. If this field is configured as
0.0.0.0, then the ZyXEL Device will use the current ZyXEL Device WAN IP address (static or
dynamic) to set up the VPN tunnel. The ZyXEL Device has to rebuild the VPN tunnel if the
My IP Address changes after setup.
0.0.0.0, then the ZyXEL Device will use the current ZyXEL Device WAN IP address (static or
dynamic) to set up the VPN tunnel. The ZyXEL Device has to rebuild the VPN tunnel if the
My IP Address changes after setup.
11.4 Secure Gateway IP Address
Secure Gateway IP Address is the WAN IP address or domain name of the remote IPSec
router (secure gateway).
router (secure gateway).
If the remote secure gateway has a static WAN IP address, enter it in the Secure Gateway IP
Address field. You may alternatively enter the remote secure gateway’s domain name (if it
has one) in the Secure Gateway IP Address field.
Address field. You may alternatively enter the remote secure gateway’s domain name (if it
has one) in the Secure Gateway IP Address field.
Table 32 AH and ESP
ESP
AH
Encryption
DES (default)
Data Encryption Standard (DES) is a
Data Encryption Standard (DES) is a
widely used method of data encryption
using a secret key. DES applies a 56-bit
key to each 64-bit block of data.
3DES
Triple DES (3DES) is a variant of DES,
Triple DES (3DES) is a variant of DES,
which iterates three times with three
separate keys (3 x 56 = 168 bits),
effectively doubling the strength of DES.
Select NULL to set up a phase 2 tunnel
without encryption.
Authentication
MD5 (default)
MD5 (Message Digest 5) produces a
MD5 (Message Digest 5) produces a
128-bit digest to authenticate packet
data.
MD5 (default)
MD5 (Message Digest 5) produces a
MD5 (Message Digest 5) produces a
128-bit digest to authenticate packet
data.
SHA1
SHA1 (Secure Hash Algorithm)
SHA1 (Secure Hash Algorithm)
produces a 160-bit digest to
authenticate packet data.
SHA1
SHA1 (Secure Hash Algorithm)
SHA1 (Secure Hash Algorithm)
produces a 160-bit digest to
authenticate packet data.
Select MD5 for minimal security and SHA-1 for maximum security.