October 2017
Intermediate to advanced
440 pages
11h 47m
English
Content preview from Mastering Windows PowerShell Scripting - Second Edition
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HTTPS
If a connection to a web service uses HTTPS (HTTP over Secure Sockets Layer (SSL)) the certificate must be validated before a connection can complete and a request can be completed. If a web service has an invalid certificate an error will be returned.
How PowerShell reacts to different scenarios can be tested. The badssl site can be used to test how PowerShell might react to different SSL scenarios:
For example, when attempting to connect to a site with an expired certificate (using Invoke-WebRequest) the following message will be displayed:
PS> Invoke-WebRequest https://expired.badssl.com/ Invoke-WebRequest : The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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