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You're reading from  Mastering PowerShell Scripting - Fourth Edition

Product typeBook
Published inJun 2021
PublisherPackt
ISBN-139781800206540
Edition4th Edition
Tools
Windows Server
Concepts
System Administration
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Author (1)
Chris Dent
Chris Dent
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Chris Dent

Chris Dent is an automation specialist with deep expertise in the PowerShell language. Chris is often found answering questions about PowerShell in both the UK and virtual PowerShell user groups. Chris has been developing in PowerShell since 2007 and has released several modules over the years.
Read more about Chris Dent

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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://docs.microsoft.com/archive/blogs/ashleymcglone/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 and has not been compromised
  • Critical authentication tokens can be extracted...
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Mastering PowerShell Scripting - Fourth Edition
Published in: Jun 2021Publisher: PacktISBN-13: 9781800206540
© 2021 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Chris Dent

Chris Dent is an automation specialist with deep expertise in the PowerShell language. Chris is often found answering questions about PowerShell in both the UK and virtual PowerShell user groups. Chris has been developing in PowerShell since 2007 and has released several modules over the years.
Read more about Chris Dent

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