D-Link DFL-1000 [10/168] Introduction
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D-Link DFL-1000 [10/168] Introduction

D-Link DFL-1000 [10/168] Introduction
DFL-1000 User Manual
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Introduction
The DFL-1000 Network Protection Gateway (NPG) supports network-based deployment of application-
level services--including and full-scan content filtering. DFL-1000 NPGs improve network security, reduce
network misuse and abuse, and help you use communications resources more efficiently without
compromising the performance of your network.
Your DFL-1000 NPG is a dedicated easily managed security device that delivers a full suite of capabilities
that include:
• application-level services such as content filtering,
• network-level services such as firewall, VPN, and traffic shaping.
Your DFL-1000 NPG employs D-Link's Accelerated Behavior and Content Analysis System (ABACAS
TM
)
technology, which leverages breakthroughs in chip design, networking, security, and content analysis.
The unique ASIC-based architecture analyzes content and behavior in real-time, enabling key
applications to be deployed right at the network edge where they are most effective at protecting your
networks. The DFL-1000 series complements existing solutions,
such as host-based enables new applications and services while
greatly lowering costs for equipment, administration and
maintenance.
The DFL-1000 NPG is an easy-to-deploy and easy-to-administer
solution that delivers exceptional value and performance for small
office, home office, and branch office applications. The DFL-1000 installation wizard guides users through
a simple process that enables most installations to be up and running in minutes.
Web content filtering
DFL-1000 web content filtering can be configured to scan all HTTP content protocol streams for URLs or
for web page content. If a match is found between a URL on the URL block list, or if a web page is found
to contain a word or phrase in the content block list, the DFL-1000 NPG blocks the web page. The
blocked web page is replaced with a message that you can edit using the DFL-1000 web-based manager.
You can configure URL blocking to block all or just some of the pages on a web site. Using this feature
you can deny access to parts of a web site without denying access to it completely.
To prevent unintentional blocking of legitimate web pages, you can add URLs to an Exempt List that
overrides the URL blocking and content blocking lists.
Web content filtering also includes a script filter feature that can be configured to block unsecure web
content such as Java Applets, Cookies, and ActiveX.
Firewall
The DFL-1000 firewall protects your computer networks from the hostile environment of the Internet. After
basic installation of the DFL-1000 NPG, the firewall allows users on the protected network to access the
Internet while blocking Internet access to internal networks. You can modify this firewall configuration to
place controls on access to the Internet from the protected networks and to allow controlled access to
internal networks.
DFL-1000 policies include a complete range of options that:
•
control all incoming and outgoing network traffic,
• control encrypted VPN traffic,
• block or allow access for all policy options,

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