Operation Manual
Table Of Contents
- VMG4825-B10A
- User’s Guide
- Introducing the VMG
- The Web Configurator
- Quick Start
- Tutorials
- 4.1 Overview
- 4.2 Setting Up an ADSL PPPoE Connection
- 4.3 Setting Up a Secure Wireless Network
- 4.4 Setting Up Multiple Wireless Groups
- 4.5 Configuring Static Route for Routing to Another Network
- 4.6 Configuring QoS Queue and Class Setup
- 4.7 Access the VMG Using DDNS
- 4.8 Configuring the MAC Address Filter
- 4.9 Access Your Shared Files From a Computer
- Technical Reference
- Network Map and Status Screens
- Broadband
- Wireless
- Home Networking
- Routing
- Quality of Service (QoS)
- Network Address Translation (NAT)
- Dynamic DNS Setup
- VLAN Group
- Interface Grouping
- USB Service
- Firewall
- MAC Filter
- Parental Control
- Scheduler Rule
- Certificates
- Log
- Traffic Status
- ARP Table
- Routing Table
- Multicast Status
- xDSL Statistics
- System
- User Account
- Remote Management
- SNMP
- Time Settings
- E-mail Notification
- Log Setting
- Firmware Upgrade
- Backup/Restore
- Diagnostic
- Troubleshooting
- Appendices
Chapter 11 Network Address Translation (NAT)
VMG4825-B10A User’s Guide
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11.5 The DMZ 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 > DMZ
The following table describes the fields in this screen.
Trigger End
Port
Type a port number or the ending port number in a range of port numbers.
Trigger Protocol Select the transport layer protocol from TCP, UDP, or TCP/UDP.
Open Start Port 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 VMG 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.
Open End Port Type a port number or the ending port number in a range of port numbers.
Open Protocol Select the transport layer protocol from TCP, UDP, or TCP/UDP.
OK Click OK to save your changes.
Cancel Click Cancel to exit this screen without saving.
Table 59 Port Triggering: Configuration Add/Edit (continued)
LABEL DESCRIPTION
Table 60 Network Setting > NAT > DMZ
LABEL DESCRIPTION
Default Server
Address
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 VMG discards all packets received
for ports that are not specified in the NAT Port Forwarding screen.
Apply Click Apply to save your changes.
Cancel Click Cancel to restore your previously saved settings.