# This blocklist blocks Windows Updates 
# This is a known host list. Some additional hosts from Microsoft may or may not exist for Windows Update.
# Best efforts to date, compiled as of Nov 2022.
# Some hosts sourced from https://learn.microsoft.com/en-us/windows/privacy/manage-windows-21h2-endpoints
adl.windows.com
aria.microsoft.com
checkappexec.microsoft.com
ctldl.windowsupdate.com
delivery.mp.microsoft.com
dl.delivery.mp.microsoft.com
emdl.ws.microsoft.com
fe3.delivery.dsp.mp.microsoft.com.nsatc.net
microsoftupdate.com
msftspeechmodelsprod.azureedge.net
prod.do.dsp.mp.microsoft.com
settings-win.data.microsoft.com
sls.update.microsoft.com
sls.update.microsoft.com.akadns.net 
tsfe.trafficshaping.dsp.mp.microsoft.com
update.microsoft.com
us-v20.events.data.microsoft.com
v10.events.data.microsoft.com
watson.telemetry.microsoft.com
windowsupdate.com
windowsupdate.microsoft.com
windowsupdates.com
# block windows defender
go.microsoft.com
wdcp.microsoft.com
smartscreen-prod.microsoft.com