How to Configure Botnet Filtering with Firewall Access Rules

08/04/2022 239 People found this article helpful 487,346 Views

Description

This article covers how to use SonicWall Botnet security service with access rule. This article will demonstrate how to create a firewall access rule for a mail server so that the mail server will be protected from going to a Botnet command and control website while the rest of the network traffic will be passed without being scanned by the Botnet security service.

NOTE: When implementing Botnet Security to website(s) make sure to evaluate all depending business applications; blocking access to a Botnet listed website(s) may impact dependent applications/process.

Resolution

Resolution for SonicOS 7.X

This release includes significant user interface changes and many new features that are different from the SonicOS 6.5 and earlier firmware. The below resolution is for customers using SonicOS 7.X firmware.

Step 1: Create an Address Object for the Mail Server.

Click OBJECT in the top navigation menu
Navigate to Match Objects | Addresses
Click on Add
Enter the Mail Server IP address
Click on Save

Step 2: Click POLICY in the top navigation menu

Navigate to Security Services | Botnet filter
Enable Block connections to/from Botnet Command and Control Servers based on Firewall Rule-based Connections and Enable Logging
Click on ACCEPT to Save

Step 3: Create an Access Rule that we want to apply the Botnet Filter service to.

Click POLICY in the top navigation menu
Navigate to Rules and Policies | Access Rules
Click on Add
In our example we will create an access rule from the LAN>WAN to enable Botnet Filtering from the Mail Server.
On Access rule navigate to Security Profiles, Enable BOTNET / CC
Click on Add

Any traffic going to the Internet from the Mail Server will be scanned via the Botnet Filter Security Service, all other network traffic will not be scanned.

Resolution for SonicOS 6.5

This release includes significant user interface changes and many new features that are different from the SonicOS 6.2 and earlier firmware. The below resolution is for customers using SonicOS 6.5 firmware.

Step 1: Create an Address Object for the Mail Server.

Click Manage in the top navigation menu
Navigate to Objects | Address Objects
Click on Add
Enter the Mail Server IP address
Click on OK to Save

Step 2: .

Click Manage in the top navigation menu
Navigate to Security Services | Botnet filter
Enable Botnet Filter Blocking based on the Firewall Access Rules and Enable Logging
Click on ACCEPT to Save

Step 3: Create an Access Rule that we want to apply the Botnet Filter service to.

Click Manage in the top navigation menu
Navigate to Rules | Access Rules
Click on Add
In our example we will create an access rule from the LAN>WAN to enable Botnet Filtering from the Mail Server.
Enable Botnet filter
Click on OK to Save

Any traffic going to the Internet from the Mail Server will be scanned via the Botnet Filter Security Service, all other network traffic will not be scanned.

Resolution for SonicOS 6.2 and Below

The below resolution is for customers using SonicOS 6.2 and earlier firmware. For firewalls that are generation 6 and newer we suggest to upgrade to the latest general release of SonicOS 6.5 firmware.

Step 1: Create an Address Object for the Mail Server.

Step 2: Enable Botnet Filter Blocking based on the Firewall Access Rules and Enable Logging.

Step 3: Create an Access Rule that we want to apply the Botnet Filter service to. Enable the Botnet Filtering Checkbox on the Access Rule.

In our example we will create an access rule from the LAN>WAN to enable Botnet Filtering from the Mail Server.

Any traffic going to the Internet from the Mail Server will be scanned via the Botnet Filter Security Service, all other network traffic will not be scanned.

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How to Configure Botnet Filtering with Firewall Access Rules

Description

Resolution

Resolution for SonicOS 7.X

Resolution for SonicOS 6.5

Resolution for SonicOS 6.2 and Below

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