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Firewall Management

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ALSO CALLED: Firewalls, Firewall Security, Fire Wall, Network Firewall Management
DEFINITION: A screened subnet (also known as a "triple-homed firewall") is a network architecture that uses a single firewall with three network interfaces. Interface 1 is the public interface and connects to the Internet. Interface 2 connects to a DMZ (demilitarized zone) to which hosted public services are attached. Interface 3 connects to an intranet for access to and from internal networks. Even  … 
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Endpoint Security and Control
sponsored by Sophos, Inc.
TRIAL SOFTWARE: Learn how Sophos delivers complete protection against viruses, spyware and adware, controls VoIP, IM, P2P, games and removable storage devices and enables you to assess and control all endpoints.
Posted: 03 Oct 2008 | Premiered: 02 Oct 2008

Sophos, Inc.

Vyatta Community Edition 4 - Open-Source Routing and Security
sponsored by Vyatta Inc.
TRIAL SOFTWARE: Vyatta delivers complete, ready-to-deploy, open-source networking solutions that make it possible for anyone to own an enterprise-class router/firewall/VPN for a fraction of the cost of traditional closed-source, proprietary products.
Posted: 11 Sep 2008 | Premiered: 01 Sep 2008

Vyatta Inc.

Managing Your Network Security with Juniper Networks Flash Demo
sponsored by Juniper Networks, Inc.
SOFTWARE DEMO: Take a tour of the Juniper Networks NetScreen-Security Manager to see how you can manage integrated FW/VPN devices.
Posted: 30 Aug 2006 | Premiered: 30 Aug 2006

Juniper Networks, Inc.
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FIREWALL MANAGEMENT DEFINITION (continued): …  if the firewall itself is compromised, access to the intranet should not be available, as long as the firewall has been properly configured.The purpose of the screened subnet architecture is to isolate the DMZ and its publicly-accessible resources from the intranet, thereby focusing external attention and any possible attack on that subnet. The architecture also separates the intranet and DMZ networks, making it more difficult to attack the intranet itself. When a properly configured firewall is combined with the use of private IP addresses on one or both of these subnets, attack becomes that … 
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