SSL VPN : Understanding, evaluating and planning secure, web-based remote access. Understanding, evaluating and planning secure, web-based remote access

Spis treści książki

• SSL VPN
  • Table of Contents
  • SSL VPN
  • Credits
  • About the Authors
  • Introduction
    • What This Book Covers
    • Conventions
    • Reader Feedback
    • Customer Support
      • Errata
      • Questions
  • 1. Introduction to SSL VPN
    • The Internet
    • Reference Models
      • OSI Reference Model
      • DARPA Model
    • Introducing Hacker Bob
      • Trapping Your Data
        • Basic HTTP Authentication
      • Keeping Hacker Bob Out of Your Data
    • VPNs
      • One Computer to the Corporate Network
      • Remote Office Network Connected to the Main Office
    • VPN Examples
      • IPsec
      • SSL VPN
    • IPsec Vs. SSL VPN
    • Trusted Networks
    • The DMZ
      • SSL VPN Scenarios
        • SSL VPNHubs
        • SSL VPNPrivate Network
    • Summary
  • 2. SSL VPN: The Business Case
    • SSL VPN: A Historical Background
    • Remote Access: Measuring Return-on-Investment
    • So What Does SSL VPN Actually Give Me?
    • Summary
  • 3. How SSL VPNs Work
    • Appliances Vs. Software
    • The SSL Protocol
      • Background
      • Overview of SSL Technology
        • Symmetric Cryptography: Data Confidentiality
        • Asymmetric Cryptography: Data Confidentiality
        • Asymmetric Cryptography: Server Authentication
        • Asymmetric Cryptography: Client Authentication
        • Key Size
    • Establishing Secure Tunnels Using SSL
      • Secure Tunnels
      • OSI Network Model
      • Application-Level Communications
    • Reverse Proxy Technology
    • SSL Remote Access: Reverse Proxy Technology Plus
      • Non-Web Traffic over SSL
      • Establishing Network Connectivity over SSL
      • Why Different Access Technologies for Web Applications
      • Applets
      • Remote Access to Files and Other Resources
        • Remote Mounting of Network Drives
        • File Access Interface
        • Telnet and Host Access
        • Printers and Other Network Resources
        • Terminal Services
      • Internet-Enabling Internal Applications
        • Web-Based Applications
      • Remote Access Interface
        • Login and Single Sign On
        • Portal Pages
        • Toolbars
        • Languages
        • Multiple Windows Vs. a Single Window
        • Logout Button
        • Help
        • User Interface Based on Browser Type
        • SSL VPN Status Window
        • Web Email (WebMail) Interfaces
      • Administration Tools
      • Performance
        • SSL Acceleration
        • Compression of HTTP Traffic
        • Caching
        • Load Balancing: IP Spraying
      • Access from Older Web Browsers
    • SSL VPN Sample Session
    • Summary
  • 4. SSL VPN Security
    • Authentication and Authorization
      • Authentication
        • Passwords
        • One-Time Passwords
        • Biometric Information
        • Client Certificates
        • Smart Cards or USB Tokens
        • Two-Factor Authentication
      • Single Sign On
      • Authorization
        • Operating System Permissions
        • File System Permissions
        • Native Application Permissions
        • Restricted Interfaces
        • Authorization Information Maintained by the SSL VPN
        • Third-Party Authorization Databases
    • End Point Security Concerns
      • The Problem: Sensitive Data in Insecure Locations
        • Browser Cache Entries
        • Proprietary Cache Entries
        • Temporary Files: Viewing E-mail Attachments
        • Temporary Files: Downloading and other Mechanisms
        • Form-Field Contents Memorized for AutoComplete
        • URL Entries Memorized for AutoComplete
        • Cookies Generated During User Sessions
        • History Records
        • User Credentials Memorized by the Browser
      • The Solution
      • The Problem: Third Party Search Tools Running on Access Devices
      • The Solution
    • Department of Defense (DoD) Requirements
      • The Problem: Users May Neglect to Log Out
      • The Solution
        • Long Timeout Thresholds: Not a Good Idea
        • Non-Intrusive Timeout Systems
        • Forced Periodic Re-Authentication
        • Ignoring Phony Activity
        • Timeout Thresholds
      • The Problem: Viruses Enter Corporate Networks via the SSL VPN
      • The Solution
        • Check for Anti-Virus Software on the Users Device
        • Block Uploads
        • Rely on Internal Network Antivirus
      • The Problem: Worms Enter Corporate Networks via the SSL VPN
      • The Solution
        • Personal Firewalls
        • Application Firewalls
          • Negative-Logic-Based Filtering of User Requests
          • Positive-Logic-Based Filtering
          • Dynamic-Rules-Based Filtering
          • Combination of Methods
      • Problems of Insecure Locations
        • Spyware
        • Keystroke Loggers
          • Hardware Keystroke Loggers
          • Software Keystroke Loggers
        • Shoulder Surfing
        • Video Cameras Aimed at Computers
        • Emanations
      • Hackers Bridging to the Corporate Network
      • The Problem: Internal Networking Information may be Leaked
      • The Solution
        • Printing and Faxing
          • Printers Local to the User
          • Printers Local to the SSL VPN Server
        • Deleted Files
      • Trusted Endpoint
      • Tiers of Access Based on Endpoint Situation
        • Internet Provider Controls
    • Server-Side Security Issues
      • The Problem: Firewalls and Other Security Technologies may be Undermined
        • • SSL VPN in a DMZ
          • SSL VPN on the Internal Network
      • The Solution
      • The Problem: Application-Level Vulnerabilities
      • The Solution
      • Encryption
      • Patching of SSL VPN Servers
      • Linux versus Windows
      • Some Other SSL VPN Appliance Security Concepts
        • Hardening
        • Air Gap
        • Protection from Internal Systems and the Internal Network
        • ASIC
    • Summary
  • 5. Planning for an SSL VPN
    • Determining Business Requirements
      • Remote Access Paradigms
      • Determining User Needs
        • Different Scenarios
    • Selecting an Appropriate SSL VPN
      • Ensuring Proper Level of Access
      • Proper User Interface and Experience
      • Remote Password Management
      • Adherence to Security Standards
      • Platform
        • Hardware
        • Operating System
        • Network Connectivity
    • Determining which SSL VPN Functions to Use
    • Where to Deploy the SSL VPN server
      • Back Office
        • Pros
        • Cons
      • DMZ
        • Pros
        • Cons
      • Outside the Perimeter Firewall
        • Pros
        • Cons
      • Air Gap
        • Pros
        • Cons
      • Offloaded SSL
        • Pros
        • Cons
    • Planning for Deployment
    • User and Administrator Training
    • Summary
  • 6. Educating the User
    • Building an Education Plan
      • Education Plan: Start the Process
        • Vision
        • High-Level Training Plan
        • The Agreement
        • The Use Case
      • Education Plan: Finalize the Plan
        • Final Training Plan
        • Include Incident Handling Policies in your Training Plan
        • The Money
        • Creating Educational Materials
        • Reusing the Use Cases
        • Executing the Test Plan
      • Education Plan: Testing and Pilots
        • Unit Tests
        • Process Tests
        • Technical Pilots
        • Production Pilot 1
        • Production Pilot 2
        • Implementation
      • Education Plan: Production
      • Specific Training for SSL VPNs
        • Training the Masses
          • How to use an SSL VPN
          • Social Engineering
          • Phishing
          • Sharing Credentials
        • Single Sign On (SSO)
        • SSL Locks and Dialog Boxes: One More Note about Phishing
        • E-Commerce Scenario
          • Phishing and the SSL Lock
    • Summary
  • 7. Legacy Data Access
    • Computing Elements
    • Applications
      • Commercial Off-The-Shelf (COTS)
      • Custom Programs
      • Legacy Applications
    • The Web Challenge
      • Direct Access
        • Scrape the Screen
        • Awareness
      • SSL VPN with Middleware Access
    • Meeting the Challenge
      • Secure Access
    • Tunneling to the Other Side
      • Tunneling Techniques
      • Lotus Notes Tunnel
        • Tunneling Steps
    • Other Applications
    • Summary
  • 8. The Future of SSL VPN Technology
    • Standardized Feature Sets
    • Interfaces
      • Third-Party Security System Interfaces
        • Authentication Systems
        • Authorization Systems
        • Endpoint Security Systems
        • Application Firewalling Interfaces
      • Application Interfaces
      • Logging, Reporting, and Management Interfaces
    • SSL VPN Products for Small, Medium, and Large Organizations
    • Application-Specific SSL VPNs
    • Merging with IPSec VPN and Firewall Technology
    • SSL Access Platforms
    • Support for More Diverse Computers
      • Macintosh
      • Linux and Other Variants of UNIX
      • Handheld Devices
    • Improved Performance and Reliability
    • Voice-Over-IP
    • Two "Business Developments"
    • Summary
  • A. A Review of TCP, IP, and Ports
    • DARPA and OSI
      • Network Interface
      • Packets
      • Packet Routing
      • TCP Ports
  • B. SSL VPN Gateways
    • SSL VPN Offerings
    • AEP Systems
      • • • Company Information
          • Product Information
    • Array Networks
      • • • Company Information
          • Product Information
    • Aventail
      • • • Company Information
          • Product Information
    • Check Point Software Technologies
      • • • Company Information
          • Product Information
    • Cisco Systems
      • • • Company Information
          • Product Information
    • Citrix Systems
      • • • Company Information
          • Product Information
    • EnKoo
      • • • Company Information
          • Product Information
    • F5 Networks
      • • • Company Information
          • Product Information
    • Juniper Networks
      • • • Company Information
          • Product Information
    • NetScaler
      • • • Company Information
          • Product Information
    • NetSilica
      • • • Company Information
          • Product Information
    • Netilla Networks
      • • • Company Information
          • Product Information
    • Nokia
      • • • Company Information
          • Product Information
    • Nortel Networks
      • • • Company Information
          • Product Information
    • Permeo Technologies
      • • • Company Information
          • Product Information
    • PortWise
      • • • Company Information
          • Product Information
    • SafeNet
      • • • Company Information
          • Product Information
    • Symantec
      • • • Company Information
          • Product Information
    • Whale Communications
      • • • Company Information
          • Product Information
  • Index

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