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windows firewall exceptions.

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In windows firewall - exceptions tab there is a box which says,


run a DLL as an application


Should this be ticked or unticked ?

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Hi Hazelnut


I do not have that file listed in my Windows Firewall exception list but rundll32.exe is a genuine and needed file to enable components in dll files to run as applications. I would leave it unchecked in the exception list as adding any exceptions to the firewall does make the system less secure and that exception doesnt need to be enabled for the file to function, Here's Microsoft's description of the exception list


Each time that you allow an exception for a program to communicate through Windows Firewall, your computer is made more vulnerable. To allow an exception is like poking a hole through the firewall. If there are too many holes, there is not much wall left in your firewall. Unknown intruders often use software that scans the Internet looking for computers with unprotected connections. If you have many exceptions and open ports, your computer can become a victim of these intruders.


To help decrease your security risk if you allow exceptions:


Only allow an exception when you really need it.

Never allow an exception for a program that you don't recognize.

Remove an exception when you no longer need it.



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