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Adding or editing Firewall rules

Firewall Rules represent conditions used to meaningfully test all network connections and actions assigned to these conditions. Editing or adding Firewall rules may be required when the network settings change (for example, the network address or port number for the remote side changes) to ensure the correct operation of an application affected by a rule. An experienced user should create custom Firewall rules.


The following ESET Knowledgebase articles may only be available in English:

To add or edit a Firewall rule, open Advanced setup > Protections > Network access protection > Firewall > Rules > Edit. In the Firewall rules window, click Add or Edit.


Name—Type a name for the rule.

Enabled—Enable the toggle to make the rule active.

Add actions and conditions for the Firewall rule:

arrow_down_business Action

arrow_down_business Application

arrow_down_business Direction

arrow_down_business IP protocol

arrow_down_business Local host

arrow_down_business Local port

arrow_down_business Remote host

arrow_down_business Remote port

arrow_down_business Profile


In this example, we create a new rule to allow the Firefox web browser application to access the internet / local network websites:

  1. In the Action section, select Action > Allow.
  2. In the Application section, specify the Application path of the web browser (for example C:\Program Files\Firefox\Firefox.exe). Do NOT enter the name of the application alone.
  3. In the Direction section, select Direction > Out.
  4. In the IP protocol section, select TCP & UDP from the Protocol drop-down menu.
  5. In the Remote port section, add Port numbers: 80,443 to allow standard browsing.


Pre-defined rules can be modified in a limited way.