Proxy

Set WinHTTP Proxy with a bypass list

netsh winhttp set proxy proxy-server="<your_proxy:port>" bypass-list="<*your_bypass.ch>"

Proxy (GET)

#WinINet User:

Get-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings" | fl *Auto*, *Proxy*

#WinINet Machine:

Get-ItemProperty -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Internet Settings" | fl *Auto*, *Proxy*

#WinHTTP User:

((Get-ItemPropertyValue -Path "HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections" -Name "WinHttpSettings") | ForEach{ [char]$_ }) -join "" -replace ([char]0)

#WinHTTP Machine:

((Get-ItemPropertyValue -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections" -Name "WinHttpSettings") | ForEach{ [char]$_ }) -join "" -replace ([char]0)

Don't forget the Proxy settings in context of NT Authority\System, for example the WinINet:

• Start PowerShell as System: .\psexec64.exe -i -s powershell.exe
• Type following and press Enter: inetcpl.cpl
• Change the Proxy settings: Connections -> LAN settings

Proxy (Remove)

WinHTTP:

netsh winhttp reset proxy

Import Proxy Settings from IE

WinHTTP:

netsh winhttp import proxy source=ie