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  • Book Overview & Buying Untangle Network Security
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Untangle Network Security

Untangle Network Security

By : El Monem A Mohamed El Bawab
Buy this Book
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Untangle Network Security

Untangle Network Security

By: El Monem A Mohamed El Bawab
Buy this Book

Overview of this book

If you are a security engineer or a system administrator and want to secure your server infrastructure with the feature-rich Untangle, this book is for you. For individuals who want to start their career in the network security field, this book would serve as a perfect companion to learn the basics of network security and how to implement it using Untangle NGFW.
Table of Contents (16 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Lock Free Chapter
1
1. Introduction to Untangle
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1. Introduction to Untangle
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Introducing Untangle, Inc.
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An overview on information security
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Introducing Untangle NGFW
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Reviewing the change log
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Summary
2
2. Installing Untangle
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2. Installing Untangle
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Understanding the hardware requirements of Untangle NGFW
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Setting up your lab
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Getting Untangle
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Writing your image
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Untangle NGFW installation guide
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Summary
3
3. The Initial Configuration of Untangle
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3. The Initial Configuration of Untangle
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Understanding the boot options
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The initial configuration wizard
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Registering your server
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Reviewing the GUI
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Untangle NGFW administration options
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Summary
4
4. Untangle Advanced Configuration
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4. Untangle Advanced Configuration
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Untangle placement options
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Understanding the architecture of Untangle NGFW
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Managing Untangle NGFW interfaces
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Configuring Untangle NGFW high availability
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Configuring the Untangle NGFW hostname
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Configuring Untangle NGFW Services ports
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Untangle NGFW network services
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Configuring advanced network options
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Understanding Untangle NGFW rules
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Troubleshooting
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Summary
5
5. Advanced Administration Settings
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5. Advanced Administration Settings
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Configuring the administration settings
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Managing Untangle SSL certificates
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Configuring the e-mail settings of Untangle NGFW
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Upgrading Untangle
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Backing up and restoring
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Monitoring your Untangle NGFW
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Reviewing system information and license details
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Summary
6
6. Untangle Blockers
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6. Untangle Blockers
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Dealing with Untangle NGFW modules
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Protect your network from viruses
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Spam!!…It's something from the past
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No more phishing
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Utilizing Untangle Ad Blocker
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Summary
7
7. Preventing External Attacks
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7. Preventing External Attacks
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Protecting against DoS attacks
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Intrusion prevention using Untangle NGFW
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Understanding Untangle's Firewall application
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Summary
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8. Untangle Filters
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8. Untangle Filters
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Untangle Web Filter
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Utilizing HTTPS Inspector
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Untangle Application Control
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Summary
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9. Optimizing Network Traffic
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9. Optimizing Network Traffic
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Bandwidth Control
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Web Cache
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Summary
10
10. Untangle Network Policy
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10. Untangle Network Policy
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Directory Connector
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Untangle's Captive Portal
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Untangle's Policy Manager
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Summary
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11. Untangle WAN Services
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11. Untangle WAN Services
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WAN Failover
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WAN Balancer
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Troubleshooting
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Summary
12
12. Untangle VPN Services
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12. Untangle VPN Services
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Understanding VPN
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OpenVPN
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IPsec VPN
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Summary
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13. Untangle Administrative Services
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13. Untangle Administrative Services
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Untangle's Reports
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Branding Manager
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Live Support
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Configuration backup
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Summary
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14. Untangle in the Real World
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14. Untangle in the Real World
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Understanding the IT regulatory compliance
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Untangle in real life
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Summary
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Index
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Index

Utilizing HTTPS Inspector

HTTP over SSL (HTTPS) is used to create an encrypted channel between the client and server to protect the data transferred between them; also, it allows the client to validate the authenticity of the server.

Three years ago, most websites were running in HTTP and would allow firewalls to understand and inspect passing traffic. Nowadays, most websites tend to use HTTPS by default, such as Google and Facebook, which will shift the session to HTTPS even if it was initiated using HTTP. Using HTTPS results in firewalls being unable to understand or inspect the passing traffic, which affects the firewall's functionality as some of the blocked sites could be accessed by using HTTPS. Allowing firewalls to understand the HTTPS traffic became a necessity.

Untangle and HTTPS

Untangle provides two ways to deal with HTTPS traffic; the first is to try to get details about the website without decrypting or inspecting the passing traffic. This method can get information about the...

CONTINUE READING
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Tech Concepts
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Programming languages
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Untangle Network Security
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