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How do I open or close (allow or deny) a specific port on my ESET Smart Security Personal firewall? (4.x)

To allow or deny access to a specific port on your ESET Smart Security Personal firewall, perform the following steps:

  1. Open ESET Smart Security by clicking the ESET icon next to the system clock or by clicking Start → All Programs → ESET → ESET Smart Security.
  2. If you see the message Display: Standard mode in the lower left corner, toggle to Advanced mode by clicking Change... or by pressing CTRL + M on your keyboard.
  3. From the main menu, click Setup → Personal firewall Switch to interactive filtering mode.

    Figure 1-1

  4. Click Configure rules and zones....

    Figure 1-2

  5. If you see the application tree view in the Zone and rule setup window, click Toggle detailed view of all rules.

    Figure 1-3

  6. Click New to add a new rule.
  7. Enter a name for the rule.

    Figure 1-4

  8. From the Direction: drop-down menu select Both.
  9. From the Action: drop-down menu select Allow or Deny.



    Do not click OK at this time.


  10. Click the Local tab and click Add port.

    Figure 1-5

  11. In the Port selection: window, type in the number of the port. The name of the port will auto-populate in many cases. If it does not auto-populate, click the name drop-down list and then select the port name associated to the port you entered.
  12. Click OK → OK to save the selection.

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