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AhmedSHMK's avatar
AhmedSHMK
Brass Contributor
Nov 11, 2024
Solved

Firewall Off despite policy being enabled

In Firewall and network protection, It says Firewall is off for all Network types. However it should be on. Is this normal/expected?         However, In Sec. providers, Firewall is enabled. ...
Defender 365
Defender AV
firewall
Intune
Mobile Application Management (MAM)
mobile device management (mdm)
Software Management
  • rahuljindal's avatar
    rahuljindal
    Nov 11, 2024

    This can happen if you have a GPO policy for Defender FW also assigned as it will take precedence over Intune against the Defender CSP. 

AhmedSHMK's avatar
AhmedSHMK
Brass Contributor
Nov 11, 2024

 

Well, while Gpresult HTML does not show anything related to Firewall, I could locate the following key:

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile called EnableFirewall and the value is 0x00000000

I have since tried to use the command below to enable it to test but it is still showing disabled:

reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile" /v EnableFirewall /t REG_DWORD /d 1 /f Set-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile" -Name "EnableFirewall" -Value 1

 

rahuljindal's avatar
rahuljindal
Bronze Contributor
Nov 11, 2024

Did you run gpresult for user or with computer as scope?