Your ESET product will automatically use your computer's Windows network setting to determine if you are using an untrusted or a trusted network to determine the appropriate firewall protection levels. To change your firewall protection level for a given network, follow the instructions below.
Click Setup → Network protection.
There are two firewall protection modes you can select from in the Network connection found window:
If you are operating in an environment where all subnets have been configured for sharing, you can disable the Network connection found dialog so that it does not display each time a new network is detected.
Press the F5 key to open Advanced setup.
Click Network Protection and expand Basic → Known Networks.
Select Use Windows setting or Mark as public depending on your preference and click OK.