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Chapter 1 Introduction
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Firewall: Supports SOHO firewall with NAT technology. Automatically detects and blocks the
Denial of Service (DoS) attack. The URL-blocking, packet filtering and SPI are also supported.
The hacker’s attack will be recorded associated with timestamp in the security logging area.
More firewall features will be added continually, please visit our web site to download latest
firmware.
Domain Name System (DNS) relay: provides an easy way to map the domain name (a friendly
name for users such as www.yahoo.com) and IP address. When a local machine sets its DNS
server with this router’s IP address, then every DNS conversion requests packet from the PC to
this router will be forwarded to the real DNS in the outside network. After the router gets the
reply, then forwards it back to the PC.
Dynamic Domain Name System (DDNS): The Dynamic DNS service allows you to alias a
dynamic IP address to a static hostname. This dynamic IP address is the WAN IP address. For
example, to use the service, you must first apply an account from this free Web server
http://www.dyndns.org/. There are more than 5 DDNS servers supported.
Virtual Private Network (VPN): Allows a user to make a tunnel with a remote site directly to
secure the data transmission among the connection. Users can use embedded PPTP
client/server and IPSec supported by this router to make a VPN tunnel or the user can run the
PPTP client in PC and the router already provides IPSec and PPTP pass through function to
establish a VPN connection if the user likes to run the PPTP client in his local computer.
PPP over Ethernet (PPPoE): Provide embedded PPPoE client function to establish a
connection. Users can get greater access speed without changing the operation concept, sharing
the same ISP account and paying for one access account. No PPPoE client software is required
for the local computer. The Always ON, Dial On Demand and auto disconnection (Idle Timer)
functions are provided too.
Virtual Server: Users can specify some services to be visible from outside users. The router can
detect incoming service request and forward it to the specific local computer to handle it. For
example, users can assign a PC in a LAN acting as a WEB server inside and expose it to the
outside network. Outside users can browse an inside web server 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.
Dynamic Host Control Protocol (DHCP) client and server: In the WAN site, the DHCP client
can get an IP address from the Internet Server Provider (ISP) automatically. In the LAN site, the
DHCP server can allocate up to 253 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: Supports an easy static table or RIP1/2 routing protocol to support
routing capability.
SNTP: An easy way to get the network real time information from an SNTP server.