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Mastering Windows PowerShell Scripting

You're reading from   Mastering Windows PowerShell Scripting Automate and manage your environment using PowerShell Core 6.0

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Product type Paperback
Published in Feb 2019
Publisher Packt
ISBN-13 9781789536669
Length 626 pages
Edition 3rd Edition
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Author (1):
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Chris Dent Chris Dent
Author Profile Icon Chris Dent
Chris Dent
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Table of Contents (27) Chapters Close

Preface 1. Section 1: Exploring PowerShell Fundamentals FREE CHAPTER
2. Introduction to PowerShell 3. Modules and Snap-ins 4. Working with Objects in PowerShell 5. Operators 6. Section 2: Working with Data
7. Variables, Arrays, and Hashtables 8. Branching and Looping 9. Working with .NET 10. Strings, Numbers, and Dates 11. Regular Expressions 12. Files, Folders, and the Registry 13. Windows Management Instrumentation 14. HTML, XML, and JSON 15. Web Requests and Web Services 16. Section 3: Automating with PowerShell
17. Remoting and Remote Management 18. Asynchronous Processing 19. Section 4: Extending PowerShell
20. Scripts, Functions, and Filters 21. Parameters, Validation, and Dynamic Parameters 22. Classes and Enumerations 23. Building Modules 24. Testing 25. Error Handling 26. Other Books You May Enjoy

The double-hop problem

The double-hop problem describes a scenario in PowerShell where remoting is used to connect to a host and the remote host tries to connect to another resource. In this scenario, the second connection, the second hop, fails because authentication cannot be implicitly passed.

Over the years, there have been numerous articles that discuss this problem. Ashley McGlone published a blog post in 2016 that describes the problem and the possible solutions: https://blogs.technet.microsoft.com/ashleymcglone/2016/08/30/powershell-remoting-kerberos-double-hop-solved-securely/.

This section briefly explores using CredSSP, as well as how to pass explicit credentials to a remote system. Neither of these options is considered secure, but they require the least amount of work to implement.

These two options are useful in the following situations:

  • The remote endpoint is trusted...
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