Windows 10: Defender Firewall will not save "allowed app" rules

Discus and support Defender Firewall will not save "allowed app" rules in AntiVirus, Firewalls and System Security to solve the problem; I am having a persistent, ongoing problem with allowing apps through Windows Defender Firewall (Windows 10 Pro 1809). Basically, the firewall is not... Discussion in 'AntiVirus, Firewalls and System Security' started by joelshort, Jul 31, 2019.

  1. JOELSHORT
    joelshort Win User

    Defender Firewall will not save "allowed app" rules


    I am having a persistent, ongoing problem with allowing apps through Windows Defender Firewall (Windows 10 Pro 1809). Basically, the firewall is not remembering when I add an app to the list.

    From the control panel I am going to "Allow apps to communicate through Windows Defender Firewall". One of the apps in question is already listed and I need to continually enable it through the Public connection. But the rule doesn't stick.

    Another app is missing from the list so I manually add it, and things work fine for that session. If I restart the system and go back to these rules, the manually added app is no longer in the list, and the already present app in the list has again reverted to Private only. I have to constantly reset these.

    Why won't these apps stick in the allowed apps, and how do I fix it?

    :)
     
    joelshort, Jul 31, 2019
    #1
  2. ALAN93
    alan93 Win User

    Firewall no longer allowing "Allowed" program on Inbound Rule

    Using Windows 10 and trying to allow a program to access my computer remotely through a specified port.

    This used to work by allowing it in the firewall settings and turning on both public and private firewalls.

    Now I have to turn off the public firewall to allow it to access my computer remotely even though it is in the inbound rules list with :

    Profile: Private, Public

    Enabled: Yes

    Action: Allow:

    Program: [path to program]

    Everything else : any

    This allowing used to work but now it doesn't.
     
    alan93, Jul 31, 2019
    #2
  3. VANESSA YAR
    Vanessa Yar Win User
    The windows defender firewall rule HSS DNS leak rule blocking your connection

    Hi Alex,

    For me to properly assist you with this concern, I would like to know what update was recently installed. Aside from the latest update, have you installed any other apps or program or made some changes on your computer?

    In the meantime, please try this:

    • Login as administrator.
    • Open Control Panel > Windows Defender Firewall.
    • In the left pane, click Allow an app or feature.
    • Under Allow apps to communicate through Windows Defender Firewall, click
      Change settings.
    • Uncheck HSS DNS leak rule in both private and public.
    • Click OK.

    Once done, please try to go online and let us know how it goes.

    Regards.
     
    Vanessa Yar, Jul 31, 2019
    #3
  4. JOELSHORT
    joelshort Win User

    Defender Firewall will not save "allowed app" rules

    Windows Defender Firewall - Previously allowed APP disappears


    I'm having an issue with Defender firewall. I manually allow an app through the firewall on both public and private networks. The app works fine. When I restart the computer the approved app is no longer listed and the app does not work properly.

    What I'm trying to do is use Teamviewer to remotely control an Intel NUC via the NUC IP address on a local area network. If I add Teamviewer to the list of apps through the firewall it works fine, but upon restart I cannot login to the NUC with Teamviewer and upon investigation the app is missing from the firewall approved apps.

    This is with Windows 1809.

    I have a second NUC running Windows 1803 and it does not have this problem.

    Any thoughts?
     
    joelshort, Jul 31, 2019
    #4
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Defender Firewall will not save "allowed app" rules

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