Firewalls for Dummies, Chapter 1: Why do you need a firewall?

Firewalls for Dummies, Chapter 1, by Brian Komar, Ronald Beekelaar and Joern Wettern provides an excellent overview of what a firewall is, what it does and how it works. Further, it explains when you might need a firewall, covering issues like Internet protocols, security and hacking.

Chapter 1 of Firewalls For Dummies by Brian Komar, Ronald Beekelaar and Joern Wettern provides an excellent overview of what a firewall is, what it does and how it works. Further it explains when you might need a firewall, covering issues like Internet protocols, security and hacking.

Read the rest of the excerpt in this PDF.

Excerpted from Firewalls For Dummies by Brian Komar, Ronald Beekelaar and Joern Wettern (ISBN: 0764540483).

This was last published in August 2006

Dig Deeper on Network Security Best Practices and Products

The 5 different types of firewalls Learn about the similarities and differences among five basic types of firewalls, including packet filtering firewalls, application-level gateways and next-gen firewalls.

proxy firewall A proxy firewall is a network security system that protects network resources by filtering messages at the application layer. A proxy firewall may also be called an application firewall or gateway firewall.

Audit concerns when migrating from traditional firewall to NGFW Learn about a potential audit concern when transitioning from a traditional firewall to a next-generation firewall.

Updating firewall policies with the frequency of firewall testing Should firewall testing frequency be decided and documented when updating firewall policies? Expert Brad Casey discusses how often to test firewalls.

Firewall security best practices: Get firewall network security advice Get to know your firewall inside and out with this compilation of resources on firewall vulnerabilities, configuration and more.

Choosing a next-generation firewall: Vendor comparison Next-generation firewalls are becoming a must. Read our comparison of application-aware firewall options available from the leading firewall vendors.

SearchUnifiedCommunications

8x8 Video Meetings launches for free in challenge to Zoom

8x8 Video Meetings has launched as a free, stand-alone app. It will rival free versions of Zoom and GoToMeeting, as 8x8 looks to ...

Amazon Chime gets integration with Dolby Voice Room

Amazon Chime now integrates with Dolby Voice Room, a hardware kit for small and midsize meeting rooms. It's Amazon Chime's first ...

Slack services partners to help vendor target enterprises

Slack services partners will help the vendor's largest customers build integrations, train employees and develop migration ...

SearchMobileComputing

Deploy kiosk devices with the Managed Home Screen Android app

The Managed Home Screen app allows Microsoft Intune admins to deploy multi-app kiosk devices. IT should learn the two best ...

New Outlook features appeal to users on the go

At Ignite, Microsoft announced some improvements to its Office app and Outlook for iOS and Android. Learn about how it benefits ...

Smartphone market trends elicit longer refresh cycles

Organization must follow the smartphone market trends to inform their purchase decisions. Mobile admins should tailor purchase ...

SearchDataCenter

Microsoft quantum development turns toward hardware

Microsoft revealed plans to jump into the quantum hardware business with a chip capable of running quantum software.

Top 5 options for Linux certifications

Are you ready to expand your Linux knowledge? Here's a look at the latest courses, training content and exams available from ...

New hardware, use cases shape server benchmarking needs

Advancements in server hardware help admins address the latest data-intensive use cases. But this brings questions about the ...

SearchITChannel

Accenture: AI scaling looms as existential challenge

Partners deploying AI take note: 75% of the executives Accenture polled believe they risk business failure if they are unable to ...

Slack services partners to help vendor target enterprises

Slack services partners will help the vendor's largest customers build integrations, train employees and develop migration ...

Vancouver Canucks defend data with Veeam backup

To prepare for the 2010 Winter Olympics, the Vancouver Canucks used Veeam to protect against point-of-sale system failures -- a ...

Firewalls for Dummies, Chapter 1: Why do you need a firewall?

Firewalls for Dummies, Chapter 1, by Brian Komar, Ronald Beekelaar and Joern Wettern provides an excellent overview of what a firewall is, what it does and how it works. Further, it explains when you might need a firewall, covering issues like Internet protocols, security and hacking.

Dig Deeper on Network Security Best Practices and Products

Start the conversation

0 comments

Please create a username to comment.

-ADS BY GOOGLE

SearchUnifiedCommunications

8x8 Video Meetings launches for free in challenge to Zoom

Amazon Chime gets integration with Dolby Voice Room

Slack services partners to help vendor target enterprises

SearchMobileComputing

Deploy kiosk devices with the Managed Home Screen Android app

New Outlook features appeal to users on the go

Smartphone market trends elicit longer refresh cycles

SearchDataCenter

Microsoft quantum development turns toward hardware

Top 5 options for Linux certifications

New hardware, use cases shape server benchmarking needs

SearchITChannel

Accenture: AI scaling looms as existential challenge

Slack services partners to help vendor target enterprises

Vancouver Canucks defend data with Veeam backup

Dig Deeper on Network Security Best Practices and Products

Start the conversation

0 comments

Register

Login

Forgot your password?

Your password has been sent to:

Please create a username to comment.