[KB3112] Open or close (allow or deny) a specific port on the ESET firewall

Issue

  • Create afirewall 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 Windowsproduct.

  2. Press theF5key to access Advanced setup.

  3. Click Network ProtectionFirewall, expandAdvancedand clickEditnext toRules.

Figure 1-1

  1. Click Addto create a new rule.

    Figure 1-2

  2. Type a name for the rule inthe 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 youwant to block or allow this specific port.

    Figure 1-3

  3. Click the Local taband then type the number of the port or range of ports inthe Portfield.When you are finished, click OK. The new rule will appear in theFirewall ruleswindow.

    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 addedand then click the Top iconto move the rule to the top.

Figure 1-5

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

A new version has been released

A new version of ESET Windows home products have been released. We highly recommend that you upgrade to the latest version.

  • Remember: ESET Windows home products version 9 and later use a License Key for activation. What is a License Key?

Version 9.x

  1. Open the main program window of your ESET Windowsproduct.

  2. Press theF5key to access Advanced setup.

  3. ClickPersonal Firewalland expandBasic.

  4. ClickEditnext toRules.

Figure 2-1

  1. ClickAddto create a new rule.

    Figure 2-2

  2. Type a name for the rule into theNamefield, selectBothfrom theDirectiondrop-down menu and then selectAlloworDenyfrom theActiondrop-down menu, depending on whether or not youwant to block or allow this specific port.

    Figure 2-3

  3. Click theLocaltaband then type the number of the port or range of ports into thePortfield.When you are finished, clickOK.

    Figure 2-4

  4. ClickOKandOKagain to save your changes.