Reference Manual for the ADSL Firewall Router DG834
2-2 Introduction
v2.0, September 2005
• A powerful, true firewall
• Easy, Web-based setup for installation and management
• Extensive Internet protocol support
• Trustworthy VPN Communications over the Internet
• VPN Wizard for easy VPN configuration
• Auto Sensing and Auto Uplink™ LAN Ethernet connections
• Content filtering
• Support for Trend Micro Home Network Security
These features are discussed below.
A Powerful, True Firewall
Unlike simple Internet sharing NAT routers, the DG834 is a true firewall, using stateful packet
inspection to defend against hacker attacks. Its firewall features include:
• Denial of Service (DoS) protection
Automatically detects and thwarts Denial of Service (DoS) attacks such as Ping of Death,
SYN Flood, LAND Attack and IP Spoofing.
• Blocks unwanted traffic from the Internet to your LAN.
• Blocks access from your LAN to Internet locations or services that you specify as off-limits.
• Logs security incidents
The DG834 will log security events such as blocked incoming traffic, port scans, attacks, and
administrator logins. You can configure the router to email the log to you at specified intervals.
You can also configure the router to send immediate alert messages to your email address or
email pager whenever a significant event occurs.
Easy Installation and Management
You can install, configure, and operate the DG834 within minutes after connecting it to the
network. The following features simplify installation and management tasks:
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