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Enterprise Firewalls: Technology Overview
3 June 2004
 
Kristen Noakes-Fry  

The nature of threats to the enterprise has changed. Networks connected to the Internet need firewalls more than ever -- not yesterday's firewall, but multiple firewalls with integrated central security administration.




Price: US$295.00

Pages: 12






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Table of Contents


    
 Analysis

    
 Technology Basics

    
 Enterprise Firewalls: The Changing Landscape
    
 Traditional Firewall Technology

    
 Clearly Defined "Acceptable Use" Rules
    
 Types of Basic Technology
    
 Firewall Design

    
 Deep-Packet Inspection
    
 Centralized Management
    
 Outsourced Firewall Services
    
 High Availability
    
 Technology Analysis

    
 Business Use
    
 Benefits and Risks

    
 Benefits

    
 Protects Network Against Unwanted Traffic
    
 Protects Internal Network From Unwanted Scrutiny
    
 Risks

    
 Adverse Impact on Performance
    
 Single Point of Attack
    
 Vulnerability to "Tunneling" and Application-Layer Attacks
    
 Accessing via Home PCs
    
 Standards
    
 Price vs. Performance
    
 Selection Guidelines
    
 Technology Leaders

    
 Recommended Gartner Research
    
 Insight


List of Tables


Table 1.  
 The Main Types of Firewall Technology
 

Table 2.  
 Firewall Categories
 

Table 3.  
 Price List: Firewalls
 

Table 4.  
 Criteria for Selecting a Firewall
 

Table 5.  
 Some Leading Firewall Vendors
 

List of Figures


Figure 1. 
 The Enterprise Firewall in the Context of the Traditional Network
The enterprise firewall and personal firewalls are shown in their usual roles — with the enterprise firewall standing between the private network and the Internet.
 

Figure 2. 
 The Enterprise and Personal Firewall in a Possible Configuration of the Future
Every entity labeled in red is centrally managed by the Security Management Server as part of the enterprise security strategy.
 



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Identity and Access Management
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Firewall Equipment




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Resource Id: 307604