1.    15 May 2017 #1
    Join Date : Jun 2016
    Posts : 8
    Win10 home

    Smartscreen blocked by firewall - how to add rule to allow?


    Hello I have my firewall configured to block outbound connections that don't meet a rule.
    Although there are the default rules for Smartscreen still enabled, smartscreen still gives it's error message "Windows smartscreen can't be reached right now". If I enable all outbound connections it works, but I don't want to do that.

    What rule do I need to add to allow it to work?
      My ComputerSystem Spec
  2.    15 May 2017 #2
    Join Date : Jun 2016
    Posts : 8
    Win10 home
    Thread Starter

    Update - I answered my own question.
    Using the event log to capture which connections were being blocked, I found that the 4 "Smartscreen" rules seem to be for apps that Smartscreen has decided are OK and it created those rule, and not for itself. So Smartscreen isn't smart enough to tell the firewall it itself is OK. =) I added a rule to unblock:

    %SystemRoot%\System32\smartscreen.exe

    and now it works.

    Info on how to set up event log to see what is being blocked here...
    Windows Update and firewall - Windows 10 Forums
      My ComputerSystem Spec
  3.    15 May 2017 #3
    Join Date : Apr 2015
    Posts : 12,831
    W10Prox64

    Thanks for posting your solution to help others in the future!
      My ComputerSystem Spec
  4.    09 Aug 2017 #4
    Join Date : Jun 2017
    Posts : 1
    Windows 10

    @xanderax,
    Thank you for you post. This helpt me a lot. Thanks
      My ComputerSystem Spec

 


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