User`s manual
VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
Chapter 1: Introduction
6
Virtual Server (“port forwarding”)
Users can specify some services to be visible from outside users. The router can detect incoming
service requests and forward either a single port or a range of ports to the specific local computer to
handle it. For example, a user can assign a PC in the LAN acting as a WEB server inside and expose
it to the outside network. Outside users can browse inside web servers directly while it is protected
by NAT. A DMZ host setting is also provided to a local computer exposed to the outside network,
Internet.
Rich Packet Filtering
Not only filters the packet based on IP address, but also based on Port numbers. It will filter packets
from and to the Internet, and also provides a higher level of security control.
Dynamic Host Configuration Protocol (DHCP) Client and Server
In the WAN site, the DHCP client can get an IP address from the Internet Service Provider (ISP)
automatically. In the LAN site, the DHCP server can allocate a range of client IP addresses and
distribute them, including IP address, subnet mask as well as DNS IP address to local computers. It
provides an easy way to manage the local IP network.
Static and RIP1/2 Routing
Provides has routing capability and supports easy static routing table or RIP1/2 routing protocol.
Simple Network Management Protocol (SNMP)
Provides an easy way to remotely manage the router via SNMP.
Web based GUI
A web based GUI is provided for configuration and management. It is user-friendly and comes with
on-line help. It also supports remote management capability for remote users to configure and
manage this product.
Firmware Upgradeable
Device can be upgraded to the latest firmware through the WEB based GUI.
Rich Management Interfaces
The device supports flexible management interfaces with local console port, LAN port, and WAN
port. Users can use terminal applications through the console port to configure and manage the
device, or Telnet, WEB GUI, and SNMP through LAN or WAN ports to configure and manage the
device.