ZyXEL Communications 5 Series User Manual

Page of 824
 Chapter 19 IPSec VPN
ZyWALL 5/35/70 Series User’s Guide
377
The following table describes the labels in this screen. 
Table 106   SECURITY > VPN > VPN Rules (Manual) > Edit
LABEL
DESCRIPTION
Property
Active 
Select this check box to activate this VPN policy.
Name
Type up to 32 characters to identify this VPN policy. You may use any character, 
including spaces, but the ZyWALL drops trailing spaces.
Allow NetBIOS 
Traffic Through 
IPSec Tunnel
This field is not available when the ZyWALL is in bridge mode.
NetBIOS (Network Basic Input/Output System) are TCP or UDP packets that 
enable a computer to find other computers. It may sometimes be necessary to 
allow NetBIOS packets to pass through VPN tunnels in order to allow local 
computers to find computers on the remote network and vice versa.
Select this check box to send NetBIOS packets through the VPN connection.
Local Network
Specify the IP addresses of the devices behind the ZyWALL that can use the VPN 
tunnel. The local IP addresses must correspond to the remote IPSec router's 
configured remote IP addresses. 
Two active SAs cannot have the local and remote IP address(es) both the same. 
Two active SAs can have the same local or remote IP address, but not both. You 
can configure multiple SAs between the same local and remote IP addresses, as 
long as only one is active at any time.
Address Type
Use the drop-down list box to choose Single AddressRange Address, or 
Subnet Address. Select Single Address for a single IP address. Select Range 
Address
 for a specific range of IP addresses. Select Subnet Address to specify 
IP addresses on a network by their subnet mask.
Starting IP 
Address
When the Address Type field is configured to Single Address, enter a (static) IP 
address on the LAN behind your ZyWALL. When the Address Type field is 
configured to Range Address, enter the beginning (static) IP address, in a range 
of computers on the LAN behind your ZyWALL. When the Address Type field is 
configured to Subnet Address, this is a (static) IP address on the LAN behind 
your ZyWALL. 
Ending IP 
Address/Subnet 
Mask
When the Address Type field is configured to Single Address, this field is N/A. 
When the Address Type field is configured to Range Address, enter the end 
(static) IP address, in a range of computers on the LAN behind your ZyWALL. 
When the Address Type field is configured to Subnet Address, this is a subnet 
mask on the LAN behind your ZyWALL.
Remote Network
Specify the IP addresses of the devices behind the remote IPSec router that can 
use the VPN tunnel. The remote IP addresses must correspond to the remote 
IPSec router's configured local IP addresses. 
Two active SAs cannot have the local and remote IP address(es) both the same. 
Two active SAs can have the same local or remote IP address, but not both. You 
can configure multiple SAs between the same local and remote IP addresses, as 
long as only one is active at any time.
Address Type
Use the drop-down list box to choose Single AddressRange Address, or 
Subnet Address. Select Single Address with a single IP address. Select Range 
Address
 for a specific range of IP addresses. Select Subnet Address to specify 
IP addresses on a network by their subnet mask.
Starting IP 
Address
When the Address Type field is configured to Single Address, enter a (static) IP 
address on the network behind the remote IPSec router. When the Addr Type field 
is configured to Range Address, enter the beginning (static) IP address, in a 
range of computers on the network behind the remote IPSec router. When the 
Address Type field is configured to Subnet Address, enter a (static) IP address 
on the network behind the remote IPSec router.