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Barracuda Web Application Firewall

Configure the Barracuda Web Application Firewall from the Web Interface

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After you specify the IP address of the Barracuda Web Application Firewall and open the necessary ports on your corporate firewall, configure the Barracuda Web Application Firewall from the web administration interface. You can access this interface from a web browser on any machine that communicates with the appliance. The machine must be on the same network or have routing set up accordingly.

Secure Access

Barracuda strongly recommends using HTTPS to configure and connect to the Barracuda Web Application Firewall to ensure the highest security. To configure this setting, go to the ADVANCED > Secure Administration page in the Barracuda Web Application Firewall web interface.

To configure the Barracuda Web Application Firewall:

  1. From a web browser, enter the IP address of the Barracuda Web Application Firewall followed by port 8000 for HTTP access. For example, http://192.168.200.200:8000 .
    For HTTPS access, use https://192.168.200.200 .
  2. To log into the administration interface, enter username: admin and password: admin.
  3. Select BASIC > IP Configuration, and perform the following steps:
    1. Enter the following information in the LAN IP Address Configuration section:
      1. IP Address The address connecting the Barracuda Web Application Firewall to the Real Server network.  If Client Impersonation is set to Yes in the BASIC > Services page, then an additional IP address should be configured on the LAN subnet of the Barracuda Web Application Firewall. This IP address should be the default gateway configured on the back-end real servers.
      2. Subnet Mask The subnet mask tied to the LAN.
    2. Enter the IP address of your primary and secondary DNS servers (if these have not yet been set up).
    3. Enter the default hostname and default domain name of the Barracuda Web Application Firewall.
  4. Click Save.

  5. Select BASIC > Administration, and perform the following steps:
    1. Assign a new administration password to the Barracuda Web Application Firewall (Optional but strongly recommended).
    2. Verify that the local time zone is correctly set. The time on the Barracuda Web Application Firewall is automatically updated via NTP (Network Time Protocol). NTP requires port 123 to be opened for outbound UDP (User Datagram Protocol) traffic on your firewall (if the Barracuda Web Application Firewall is located behind one). It is important to set the time zone correctly because it is used to coordinate traffic distribution and timestamps appear in all the logs and reports.
    3. Change the port number used to access the Barracuda Web Application Firewall administration interface. The default port is 8000. (Optional)
    4. Enter a web administration session expiration length (in minutes), after which an administrator will be required to log back in.
    5. Specify your local SMTP server, and enter an email address for your administrator where the system will send threat email alerts and notifications. (Optional)
  6. Click Save.
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