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Chapter 25 IPSec VPN
ZyWALL USG 1000 User’s Guide
448
Each field is described in the following table.
Table 118 Configuration > VPN > IPSec VPN > VPN Connection > Edit
LABEL DESCRIPTION
Show Advance
Settings / Hide
Advance Settings
Click this button to display a greater or lesser number of
configuration fields.
Create new
Object
Use to configure any new settings objects that you need to use in this
screen.
General Settings
Connection
Name
Type the name used to identify this IPSec SA. You may use 1-31
alphanumeric characters, underscores(_), or dashes (-), but the first
character cannot be a number. This value is case-sensitive.
Nailed-Up Select this if you want the ZyWALL to automatically renegotiate the
IPSec SA when the SA life time expires.
Enable Replay
Detection
Select this check box to detect and reject old or duplicate packets to
protect against Denial-of-Service attacks.
Enable
NetBIOS
Broadcast over
IPSec
Select this check box if you the ZyWALL to send NetBIOS (Network
Basic Input/Output System) packets through the IPSec SA.
NetBIOS packets are TCP or UDP packets that enable a computer to
connect to and communicate with a LAN. It may sometimes be
necessary to allow NetBIOS packets to pass through IPSec SAs in
order to allow local computers to find computers on the remote
network and vice versa.
VPN Gateway
Application
Scenario
Select the scenario that best describes your intended VPN connection.
Site-to-site - Choose this if the remote IPSec router has a static IP
address or a domain name. This ZyWALL can initiate the VPN tunnel.
Site-to-site with Dynamic Peer - Choose this if the remote IPSec
router has a dynamic IP address. Only the remote IPSec router can
initiate the VPN tunnel.
Remote Access (Server Role) - Choose this to allow incoming
connections from IPSec VPN clients. The clients have dynamic IP
addresses and are also known as dial-in users. Only the clients can
initiate the VPN tunnel.
Remote Access (Client Role) - Choose this to connect to an IPSec
server. This ZyWALL is the client (dial-in user) and can initiate the
VPN tunnel.
VPN Gateway Select the VPN gateway this VPN connection is to use or select
Create Object to add another VPN gateway for this VPN connection
to use.
Manual Key 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. See Section 25.2.2 on
page 453 for how to configure the manual key fields.
Note: Only use manual key as a temporary solution, because it is
not as secure as a regular IPSec SA.