The Default Server Screen - ZyXEL Communications SBG3500-N000 User Manual

Chapter 11 Network Address Translation (NAT)
Table 58 Port Triggering: Configuration Add/Edit (continued)
LABEL
Open Start Port
Open End Port
Open Protocol
OK
Cancel

11.5 The Default Server Screen

In addition to the servers for specified services, NAT supports a default server IP address. A default
server receives packets from ports that are not specified in the NAT Port Forwarding Setup
screen.
Figure 82 Network Setting > NAT > Default Server
The following table describes the fields in this screen.
Table 59 Network Setting > NAT > Default Server
LABEL
Group Name
Default Server
Address
Apply
Cancel
214
DESCRIPTION
The open port is a port (or a range of ports) that a server on the WAN uses when it sends
out a particular service. The Device forwards the traffic with this port (or range of ports) to
the client computer on the LAN that requested the service.
Type a port number or the starting port number in a range of port numbers.
Type a port number or the ending port number in a range of port numbers.
Select the transport layer protocol from TCP, UDP, or TCP/UDP.
Click OK to save your changes.
Click Cancel to exit this screen without saving.
DESCRIPTION
Select the name of an interface group that was created in the Network Setting >
Interface Group screen. The DMZ host must be in the same subnet as the selected
interface group.
Enter the IP address of the default server which receives packets from ports that are not
specified in the NAT Port Forwarding screen.
Note: If you do not assign a Default Server Address, the Device discards all packets
received for ports that are not specified in the NAT Port Forwarding screen.
Click Apply to save your changes.
Click Cancel to restore your previously saved settings.
SBG3500-N000 User's Guide