powershell PowerShell Set-Proxy，Clear-proxy

Posted 2021-05-23

# NOTE: registry keys for IE 8, may vary for other versions
$regPath = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings'

function Clear-Proxy
{
    Set-ItemProperty -Path $regPath -Name ProxyEnable -Value 0
    Set-ItemProperty -Path $regPath -Name ProxyServer -Value ''
    Set-ItemProperty -Path $regPath -Name ProxyOverride -Value ''

    [Environment]::SetEnvironmentVariable('http_proxy', $null, 'User')
    [Environment]::SetEnvironmentVariable('https_proxy', $null, 'User')
}

function Set-Proxy
{
    $proxy = 'http://example.com'

    Set-ItemProperty -Path $regPath -Name ProxyEnable -Value 1
    Set-ItemProperty -Path $regPath -Name ProxyServer -Value $proxy
    Set-ItemProperty -Path $regPath -Name ProxyOverride -Value '<local>'

    [Environment]::SetEnvironmentVariable('http_proxy', $proxy, 'User')
    [Environment]::SetEnvironmentVariable('https_proxy', $proxy, 'User')
}