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Adding firewall exceptions to deployed software

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Paul Harrington

We have some rendering plugins that after installation, trigger Windows Firewall Exception window. As our users are not admin, they cannot add this as an exception themselves.

Is there any easy way to add an exception to the firewall for an exe after deployment?

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  • Avatar
    Stephen Valdinger

    Sure is! You can use a Powershell step for this:

    New-NetFirewallRule -DisplayName "$YourRuleName" -Direction Inbound -LocalPort $PortsNeeded -Protocol TCP -Action Allow

    You can use multiple ports comma separated for LocalPort, and protocol can be rather TCP or UDP. Also, if you need to add an Outbound rule, just double up on the command, so one is for Inbound, the other -Direction Outbound. 

    We use this to open up a port for a piece of software that ties into our helpdesk solution and it works wonderfully.

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  • Avatar
    Paul Harrington

    Perfect, with your help I was able to unblock via exe :)

    New-NetFirewallRule -DisplayName "$Rulename" -Direction Inbound -Program "$fullPathTo.exe" -Action Allow

     

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