Home article search

Open or close (allow or deny) a specific port on the ESET firewall

Issue

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

Solution

Firewall troubleshooting?

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

ESET version 9 users click here

  1. Open the main program window of your ESET Windows product.

  2. Press the F5 key to access Advanced setup.

  3. Click Firewall, expand Advanced and click Edit next to Rules.

Figure 1-1

  1. Click Add to create a new rule.

    Figure 1-2

  2. Type a name for the rule in the Name field, select Both from the Direction drop-down menu and then select Allow or Deny from the Action drop-down menu, depending on whether or not you want to block or allow this specific port.

    Figure 1-3

  3. Click the Local tab and then type the number of the port or range of ports in the Port field. When you are finished, click OK. The new rule will appear in the Firewall rules window.

    Figure 1-4

  1. Select the check box next to Show built in (predefined) rules, scroll to the bottom of the list, select the new rule you added and then click the Top icon  to move the rule to the top. 

Figure 1-5

  1. Click OK twice to save your changes and exit Advanced setup.

Version 9.x

  1. Open the main program window of your ESET Windows product.

  2. Press the F5 key to access Advanced setup.

  3. Click Personal Firewall and expand Basic.

  4. Click Edit next to Rules.

Figure 2-1

  1. Click Add to create a new rule.

    Figure 2-2

  2. Type a name for the rule into the Name field, select Both from the Direction drop-down menu and then select Allow or Deny from the Action drop-down menu, depending on whether or not you want to block or allow this specific port.

    Figure 2-3

  3. Click the Local tab and then type the number of the port or range of ports into the Port field. When you are finished, click OK.

    Figure 2-4

  4. Click OK and OK again to save your changes.

Was this information helpful?