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Setting Pwsh Invoke-WebRequest Proxy#

Different than Windows Powershell, Powershell Core doesn't use the system proxy setting on Windows. This post will show you an one-line command to set Powershell Core web cmdlets proxy.

My office working environment is behind an Internet proxy, and I use Scoop to install many dev tools on my Windows desktop.

Scoop is a Chocolatey-like Windows package management tool but its package sources are all on the Internet, there's no possibility to mirror the packages to a local repository. So I need to use the company Internet proxy to use the Scoop.


In fact, there's one possibility to install packages by using the local source control repo, I've never tested, it should be technically worked, and seems not very difficult to set up, but it needs to be maintained.

Scoop uses mainly the Invoke-WebRequest cmdlet to download the package sources from the Internet, and it has already generously given a wiki on how to configure proxy, but I've switched to Powershell Core (pwsh.exe) since a while, and none of the methods given by the wiki works.

After some googling, I finally find the issue 3122 from the official Powershell Github repository, the collaborator @markekraus gave a solution:

$PSDefaultParameterValues["invoke-webrequest:proxy"] = 'http://username:password@proxyserver:port'


When giving the password as a plain text in a string, always use the single quotes to create the string, as some special characters ($, `, etc.) in the password might be evaluated by the string created by the double quotes. Otherwise pass the password as a variable into a double quoted string to convert it to a plain text. On Linux bash, we can see the same thing.