[KB3112] Create a firewall rule to allow or block traffic to specific ports in ESET home and small office products for Windows

Issue

  • Create a firewall rule to allow or deny specific connections based on the port number or range of port numbers

Solution

Firewall troubleshooting

This article is part of a series of recommended steps to troubleshoot firewall issues. Start with step 1.

  1. Open the main program window of your ESET Windows home or small office product.

  2. Press the F5 key to open Advanced setup.

  3. Click Network access protection, expand Firewall and click Edit next to Rules.

    Figure 1-1
  4. In the Rules window, click Add. In the Add rule window, type a name for the rule and select Allow, Block, or Ask, depending on whether you want to allow or block the port.

    Figure 1-2
  5. Expand Direction and select Both.

    Figure 1-3
  6. Expand Local port. In the input field next to Port, define the ports to be affected by the rule: type the port number or range of port numbers; separate the entries by a comma. Click OK to create the rule.

    Figure 1-4
  7. In the Rules window, click More filters. In the More filters window, click the Hide built-in (pre-defined) rules toggle to disable it and click Apply.

    Figure 1-5
  8. In the Rules window, scroll down to the bottom of the list, select the rule you added and move it to the top. Click OK.

    Figure 1-6
  9. Click OK to save your changes and exit Advanced setup.

    Figure 1-7