GCP DNS Key Should Use Secure Algorithm
More Info:
Ensure that Cloud DNS key uses secure algorithm for encryption.Risk Level
HighAddress
SecurityCompliance Standards
CBPTriage and Remediation
Remediation
Using Console
Using Console
To remediate the misconfiguration “GCP DNS Key Should Use Secure Algorithm” in GCP using GCP console, follow the below steps:
- Login to GCP console and navigate to the Cloud DNS page.
- Click on the name of the DNS zone for which you want to remediate the misconfiguration.
- In the left-hand menu, click on the “DNSSEC” tab.
- Check the “DNSSEC” box to enable DNSSEC for the selected DNS zone.
- Click on the “Create” button to create a new DNSSEC key.
- In the “Algorithm” drop-down list, select an algorithm that is considered secure. For example, you can choose “RSASHA256” or “RSASHA512”.
- Click on the “Create” button to create the new key.
- Once the key is created, click on the “Activate” button to activate DNSSEC for the selected DNS zone.
- Wait for the DNSSEC activation to complete. This may take a few minutes.
- Once the activation is complete, verify that the DNSSEC status for the selected DNS zone is “Active”.
Using CLI
Using CLI
To remediate the GCP DNS Key Should Use Secure Algorithm misconfiguration, you can follow the below steps using GCP CLI:
- Open the Cloud Shell from the GCP Console.
-
Run the following command to list all the DNS keys in your GCP project:
Replace [PROJECT_ID] with your GCP project ID.
- Identify the DNS key that uses an insecure algorithm. The algorithm is listed under the ‘algorithm’ field in the output of the previous command.
-
Run the following command to delete the insecure DNS key:
Replace [KEY_ID] with the ID of the insecure DNS key, [PROJECT_ID] with your GCP project ID, and [ZONE_NAME] with the name of the DNS zone where the key is used.
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Run the following command to create a new DNS key using a secure algorithm:
Replace [ZONE_NAME] with the name of the DNS zone where you want to create the new key, and [PROJECT_ID] with your GCP project ID.
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Update the DNS zone to use the new DNS key. This can be done through the GCP Console or using the following command:
Replace [ZONE_FILE] with the path to the zone file containing the DNS records, [PROJECT_ID] with your GCP project ID, and [ZONE_NAME] with the name of the DNS zone.
Using Python
Using Python
To remediate the misconfiguration “GCP DNS Key Should Use Secure Algorithm” using Python, you can follow these steps:By following these steps, you will be able to remediate the misconfiguration “GCP DNS Key Should Use Secure Algorithm” using Python.
- Connect to your GCP project using the Python client library. You can use the following code to authenticate and connect to your project:
- Retrieve the existing DNS key using the
dns.DnsKeyclass:
- Check the algorithm used by the DNS key. You can do this by checking the
algorithmproperty of thedns_keyobject. The algorithm should be one of the following values: RSASHA256, RSASHA512, ECDSAP256SHA256, ECDSAP384SHA384.
- If the algorithm is not secure, you can create a new DNS key with a secure algorithm using the
dns.DnsKeyclass:
- Delete the existing DNS key and add the new one:
- Verify that the new DNS key has been added successfully: