Zyxel VMG1312-B10B [244/394] Chapter 20 vpn

Zyxel VMG1312-B10B [244/394] Chapter 20 vpn
Chapter 20 VPN
VMG1312-B10B / VMG1312-B30B Series User’s Guide
244
Tunnel Mode Select which protocol you want to use in the IPSec SA. Choices are:
AH (RFC 2402) - provides integrity, authentication, sequence integrity (replay
resistance), and non-repudiation but not encryption. If you select AH, you must
select an Authentication algorithm.
ESP (RFC 2406) - provides encryption and the same services offered by AH, but
its authentication is weaker. If you select ESP, you must select an Encryption
algorithm and Authentication algorithm.
Both AH and ESP increase processing requirements and latency (delay). The
Device and remote IPSec router must use the same active protocol.
Remote IPSec
Gateway
Address
Enter the IP address of the remote IPSec router in the IKE SA.
Local
Local Address
Type
Select Single to have only one local LAN IP address use the VPN tunnel. Select
Subnet to specify local LAN IP addresses by their subnet mask.
IP Address for
VPN
If Single is selected, enter a (static) IP address on the LAN behind your Device.
If Subnet is selected, specify IP addresses on a network by their subnet mask
by entering a (static) IP address on the LAN behind your Device. Then enter the
subnet mask to identify the network address.
IP
Subnetmask
If Subnet is selected, enter the subnet mask to identify the network address.
Remote
Remote
Address Type
Select Single to have only one remote LAN IP address use the VPN tunnel.
Select Subnet to specify remote LAN IP addresses by their subnet mask.
IP Address for
VPN
If Single is selected, enter a (static) IP address on the LAN behind the remote
IPSec’s router.
If Subnet is selected, specify IP addresses on a network by their subnet mask
by entering a (static) IP address on the LAN behind the remote IPSec’s router.
Then enter the subnet mask to identify the network address.
IP
Subnetmask
If Subnet is selected, enter the subnet mask to identify the network address.
Security Protocol - Auto
Key Exchange
Method
Select the key exchange method:
Auto(IKE) - Select this to use automatic IKE key management VPN connection
policy.
Manual - Select this option to configure a VPN connection policy that uses a
manual key instead of IKE key management. This may be useful if you have
problems with IKE key management.
Note: Only use manual key as a temporary solution, because it is not as secure as
a regular IPSec SA.
Authentication
Method
Select Pre-Shared Key to use a pre-shared key for authentication, and type in
your pre-shared key. A pre-shared key identifies a communicating party during a
phase 1 IKE negotiation. It is called "pre-shared" because you have to share it
with another party before you can communicate with them over a secure
connection.
Select Certificate to use a certificate for authentication.
Table 93 IPSec VPN: Add
LABEL DESCRIPTION

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