Network Firewalls
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Network Firewalls


Learn how to choose a firewall that meets your organization's needs, where to place it to maximize effectiveness, tackle common configuration and vulnerability issues, and control the amount of traffic between secured and unsecured environments.
IN THIS TOPIC:  EXPERT TECHNICAL ADVICE (58) , NEWS (28) , REFERENCE & LEARNING (8) , MAGAZINE CONTENT (8) , WEBCASTS (1) , DEFINITIONS (6)

MUST READ
Activating an XP firewall on a LAN
TIP - Receive peer advice on how to activate an XP firewall on a corporate LAN and learn what tools will contribute to your overall network security.
The pros and cons of application firewalls
EXPERT ANSWER - Why is it that positive model application (layer 7) firewalls are NOT the default option?
Playing with fire(walls)
QUIZ - Find out how well you know your firewall.

  EXPERT TECHNICAL ADVICE: 1 - 3 of 58
NETWORK FIREWALLS EXPERTS
Mike Chapple
IT Security Professional
ASK A QUESTION
Is security improved when the number of Internet gateways is reduced?
05 May 2008
EXPERT ANSWER - A single entry point has often been thought easier to defend than multiple entry points. There are some caveats to reducing the number of Internet gateways, though, as expert Michael Cobb explains.
Nipper audits routers, reveals insecure settings
18 Apr 2008
TIP - Scott Sidel examines Nipper, a network infrastructure parser that helps security professionals keep routers and firewalls properly configured.
Should a firewall ever be placed before the router?
21 Feb 2008
EXPERT ANSWER - In terms of unit cost, it's generally much cheaper for a router to handle a packet than for a firewall to analyze it. But as network security expert Mike Chapple explains, one does not necessarily have to be placed before the ...
VIEW ALL EXPERT TECHNICAL ADVICE ON NETWORK FIREWALLS

  NEWS: 1 - 3 of 28
Cisco releases updates for multiple flaws
SearchSecurity.com | 18 Oct 2007
ARTICLE - Cisco Systems Inc. is addressing a number of flaws in its devices, including a critical vulnerability in its Unified Communications Manager that could be exploited remotely.
Barracuda Networks acquires NetContinuum
SearchSecurity.com | 17 Sep 2007
ARTICLE - Firewall vendor NetContinuum was quietly snatched up last month by Barracuda Networks, a vendor looking to capitalize on the growing demand for Web application security tools.
Firewall deployment options increase for enterprises
SearchSecurity.com | 16 Aug 2007
ARTICLE - With a growing number firewall configuration options, companies need to spend more time and put more effort into determining how to design and deploy firewalls.
VIEW ALL NEWS ON NETWORK FIREWALLS

  REFERENCE & LEARNING: 1 - 3 of 8
Network Access Control Learning Guide
SearchSecurity.com and SearchWindowsSecurity.com | 01 Jun 2006
LEARNING GUIDE - Learn how to block and secure untrusted endpoints, and control user access with this Learning Guide.
Firewall Learning Guide
SearchSecurity.com & SearchNetworking.com | 28 Mar 2006
LEARNING GUIDE - Get to know your firewall inside and out with this compilation of resources on firewall vulnerabilities, configuration and more.
Thwarting Hacker Techniques
SearchSecurity.com | 17 Jun 2005
LEARNING GUIDE - This guide provides you with a plethora of tips, expert advice and Web resources that offer more in-depth information about hacker techniques and various tactics you can employ to protect your network.
VIEW ALL REFERENCE & LEARNING ON NETWORK FIREWALLS

  MAGAZINE CONTENT (free subscription required): 1 - 3 of 8
Network Firewalls
Information Security Magazine | 01 Apr 2007
FEATURES - 2007 Readers' Choice Awards Network firewall appliances and software
Intrusion Prevention
Information Security Magazine | 01 Feb 2007
HOT PICK & PRODUCT REVIEWS - Juniper Networks' ISG 2000 with IDP
Hot Pick
Information Security Magazine | 01 Feb 2006
HOT PICK & PRODUCT REVIEWS - Stonesoft's StoneGate SG-4000
VIEW ALL MAGAZINE CONTENT ON NETWORK FIREWALLS

  WEBCASTS: 1 - 1 of 1
CISSP Essentials: Mastering the Common Body of Knowledge -- Class 5, Telecommunciations and Networking - Expert Webcast

VIEW WEBCAST
PREMIERED:   03 DEC 2004, 09:00 EST (14:00, GMT)
SUMMARY:   This class focuses on the glue of network security: how networks work, how data is transmitted from one device to another, and how applications understand, interpret and translate data.
VIEW ALL WEBCASTS ON NETWORK FIREWALLS

  DEFINITIONS: 1 - 3 of 6
screened subnet
04 Feb 2008
WORD - 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. ...
bastion host
14 Aug 2000
WORD - On the Internet, a bastion host is the only host computer that a company allows to be addressed directly from the public network and that is designed to screen the rest of its network from security exposure.
Firewall Builder
29 Sep 2005
WORD - Firewall Builder, also known as Fwbuilder, is a vendor-neutral configuration and management application for firewalls. The application was created for the Linux operating system; versions are available for other operating ...
VIEW ALL DEFINITIONS ON NETWORK FIREWALLS

SEE ALSO - Topics Related to Network Firewalls: 
Network Routers and Switches, Network Device Management, Unified Threat Management (UTM)


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