[KB3323] Restore default settings to the ESET Firewall

• Restore the firewall settings to the default
• View built-in (pre-defined) rules in ESET firewall
• Permanently remove all firewall rules

Revert firewall settings to defaults

Follow the instructions to configure the ESET firewall to function like a new installation.

1. Open the main program window of your ESET Windows product.

2. Press the F5 key to open Advanced setup.

3. Click Protections → Network access protection. Expand Firewall and click the Default icon for the section settings you want to revert (In this example, Firewall).

   

4.  Click Revert to default.

View built-in (pre-defined) rules in ESET firewall

1. Open the main program window of your ESET Windows product.

2. Press the F5 key to open Advanced setup.

3. Click Protections → Network access protection. Expand Firewall, and click Edit next to Rules.

   

4. Click More filters. 

   

5. Click the toggle next to Hide built-in (pre-defined) rules to disable the hidden rules. Click Apply. 

   

Remove firewall rules manually

1. Ensure that you can view hidden files and folders.

2. Start Windows in Safe Mode.

3. Navigate to the appropriate directory for your operating system as shown below:

   • C:\ProgramData\ESET\ESET Security

4. Delete the following files to permanently remove all firewall rules:

   • epfwdata.bin
   • EpfwTemp.dat
   • EpfwUser.dat