Proxy.ps1

# Define a proxy
Configuration Proxy {
        $whitelist = '*.google.com;*.example.com;192.168.*;127.*;localhost'
        $prefix_hex = [String]::Format("{0:X}", [Convert]::ToUint32($prefix.tochararray()[0]))
        $suffix_hex = [String]::Format("{0:X}", [Convert]::ToUint32($suffix.tochararray()[0]))
        $proxy_url = "proxy.example.com:3128"
        $proxy_url_length = '{0:X}' -f $proxy_url.length
        $proxy_url_hex = StringToHex -string $proxy_url
        $whitelist_hex = StringToHex -string $whitelist
        $whitelist_length = '{0:X}' -f $whitelist.length
        $proxy_settings = "46000000030000000b000000$($proxy_url_length)000000$($proxy_url_hex)$($whitelist_length)000000$($whitelist_hex)000000000000000000000000000000000000000000000000000000000000000000000000"
        
        Registry ProxyPerMachinePolicy
        {
            Key = 'HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings'
            ValueName = 'ProxySettingsPerUser'
            Ensure = 'Present'
            ValueData = '0'
            ValueType = 'Dword'
            Force = $true
        }
        Registry ProxyPerMachineDefaultConnectionSettings
        {
            Key = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections'
            ValueName = 'DefaultConnectionSettings'
            Ensure = 'Present'
            ValueType = 'Binary'
            ValueData = $proxy_settings
            Force = $true
        }
        Registry ProxyPerMachineSavedLegacySettings
        {   
            Key = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections'
            ValueName = 'SavedLegacySettings'
            Ensure = 'Present'
            ValueType = 'Binary'
            ValueData = $proxy_settings
            Force = $true
        }
        Registry ProxyPerMachineWinHttPSettings
        {   
            Key = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections'
            ValueName = 'WinHttPSettings'
            Ensure = 'Absent'
            Force = $true
        }
        Registry ProxyPerMachineProxyEnable
        {   
            Key = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings'
            ValueName = 'ProxyEnable'
            Ensure = 'Present'
            ValueData = '1'
            ValueType = 'Dword'
            Force = $true
        }
        Registry ProxyPerMachineProxyServer
        {   
            Key = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings'
            ValueName = 'ProxyServer'
            Ensure = 'Present'
            ValueData = $proxy_url
            ValueType = 'String'
            Force = $true
        }
        Registry ProxyPerMachineProxyOverride
        {   
            Key = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings'
            ValueName = 'ProxyOverride'
            Ensure = 'Present'
            Force = $true
            ValueData = $whitelist
            ValueType = 'String'
        }
        Registry ProxyPerMachineAutoConfigURL
        {   
            Key = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings'
            ValueName = 'AutoConfigURL'
            Ensure = 'Absent'
            Force = $true
        }
        Registry ProxyPerMachineLockAutoConfig
        {   
            Key = 'HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Internet Explorer\Control Panel'
            ValueName = 'Autoconfig'
            Ensure = 'Present'
            ValueData = '1'
            ValueType = 'Dword'
            Force = $true
        }
        Registry ProxyPerMachineLockProxy
        {   
            Key = 'HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Internet Explorer\Control Panel'
            ValueName = 'Proxy'
            Ensure = 'Present'
            ValueData = '1'
            ValueType = 'Dword'
            Force = $true
        }
}