How to Configure SMS Control

CloudGen Firewalls equipped with the Barracuda 3G USB modem can execute maintenance tasks and custom scripts triggered remotely via SMS. Administrators can also receive certain status information of a Barracuda CloudGen Firewall via SMS. Access control lists for specific phone numbers and password restrictions allow granular security policies for administrators.

1. Go to CONFIGURATION > Configuration Tree > Box > Network.

2. In the left menu, select Wireless WAN.

3. Expand Configuration Mode and click Switch to Advanced View.

4. In the Connection Details section, set Active GSM Channel to Yes.

5. Click Send Changes and Activate.

Before configuring the SMS Control feature, make sure the Barracuda CloudGen Firewall is equipped with the Barracuda 3G USB modem. See How to Configure an ISP using a WWAN Modem .

1. Go to CONFIGURATION > Configuration Tree > Box >  Administrative Settings.

2. In the left menu, select SMS Control.

3. Expand Configuration Mode and click Switch to Advanced View.

4. In the  SMS Control Settings section, enable  Remote Control via SMS.

5. In the Allowed Phone Numbers table, add the phone numbers from which SMS control is allowed. Include country prefixes, omitting the leading zeros and plus sign.

6. The Successive Command Maximum field specifies the maximum number of successive commands to be accepted (default: 8). When this limit is reached, the counter must be reset in Control > Box > Reset SMS Counter.

7. In the Command Codes  section, specify the password for each SMS command. Each password must start with a lower-case letter.

8. In the Custom Script table, you can enter a custom bash script to be executed via SMS. Begin the script with: #!/bin/bash and specify the password in the Execute Custom Script section.

9. Click Send Changes and Activate.

The following events are associated with SMS control: