2529 - Configuring DNS forwarders in NIOS

Scenario

HQ has sent an email to add additional security to your corporate DNS environment. New secure DNS Servers are now available to handle any recursive queries from your organization for an added level of security and protection against DNS based attacks. Please configure your local DNS service to redirect all recursive queries to 192.168.17.17 and 10.10.2.2

Estimate Completion Time

10 minutes

Credentials

Requirements

Administrative access to the Grid

Course References

2009: Configuring NIOS DNS Services

2023: Configuring NIOS DNS Zones

Lab Initiation

Access jump-desktop

Once the lab is deployed, you can access the virtual machines required to complete this lab activity. To initiate the lab, click on the jump-desktop tile and login to the Linux UI:

Username: training

Password: infoblox

Initiate lab

To initiate the lab, double-click the Launch Lab icon on the Desktop.

Choose the lab number from the list and click OK.

After clicking OK, you will see a pop-up message with a brief description of the lab task. If the description looks correct, click Yes to continue lab initiation.

Lab initiation will take a couple of minutes to finish.

Once complete, you will see another pop-up message with the login credentials and the URL for the Grid Manager’s User Interface. Note that the credentials may differ from those from prior labs.

Tasks

Task 1: Configure Default Forwarders

The new dedicated forwarders are 192.168.17.17 and 10.10.2.2. Please reconfigure the Grid to send all outbound recursive queries to these two IP addresses.

Solutions

Task 1 Solution: Configure Default Forwarders

1. Navigate to Data Management → DNS

2. From the toolbar, select Grid DNS Properties

3. Switch to Forwarders tab

4. Click + twice to add two rows

5. Enter IP addresses 192.168.17.17 and 10.10.2.2

6. Check the box for Use Forwarders Only

7. Click Save and Close