Restore default settings to the ESET firewall
Revert firewall settings to defaults
Press the F5 key to access Advanced setup.
Click Network Protection → Firewall and then click the default () icon for the section settings you want to revert (Basic in this example).
- Click Revert to default.
Remove firewall rules
Make sure that you can view hidden files and folders.
Navigate to the appropriate directory for your operating system as shown below:
Windows Vista, Windows 7 and later: C:\ProgramData\ESET\ESET Smart Security
- Windows XP: C:\Documents and Settings\All Users\Application Data\ESET\ESET Smart Security
- Windows Vista, Windows 7 and later: C:\ProgramData\ESET\ESET Smart Security
Delete the following files to permanently remove all firewall rules: