Issue
- Allow or block a connection with a remote IP address, range of addresses or subnet access through ESET firewall in ESET Windows home and small office applications
- Block access to a suspicious IP address
- Fix issues with connecting to or from another computer or device, such as a printer on your network
Solution
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Open the main program window of your ESET Windows or small office application.
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Press F5 to open Advanced setup.
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Click Protections → Network access protection, expand Firewall, and click Edit next to Rules.

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Click Add. In the Name field, type a name for the rule. Under Action, select Allow or Block, depending on whether you want to block or allow the IP address.

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Expand Direction and select Both.

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Expand Remote host and, in the IP field, type the IP address, range or subnet that you would like to allow or block. Click OK.

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Ensure that built-in (pre-defined) firewall rules are visible in the Rules list.
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Scroll to the bottom of the list, select the created rule and click the move-to-top icon.

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Click OK → OK.
