Default NSGs provide a standardized set of security rules and automatically add every newly provisioned VMs as a member, making it easier to maintain and scale your network security as your organization grows. It also reduces administrative overhead by eliminating the need to configure and update security rules manually.
Prerequisites:
Ensure that you have appropriate permissions to create NSGs. Only contract administrators, owners, and users with permissions to the corresponding VDC can create and manage NSGs.
Note:
Only one security group can be a default group at a time.
A default security group is created with the four default rules. However, the rules are not created when you convert an existing custom NSG to a default NSG. For more information, see FAQs.
To convert a custom NSG to a default NSG, follow these steps:
1. Log in to the DCD with your username and password.
2. Go to Menu > Network > Network Security Groups.
3. Select a data center from the drop-down list.
4. Select an NSG and click Set as default in the Network Security Groups window to convert the respective custom group to default.
Alternatively, on the Network Security Groups window, you can select the NAME of the respective security group or select View & Edit for the respective security group:
Next, select Set as default in the Security Group Details window.
5. Select Confirm in the pop-up window.
Result: The selected NSG is converted to the default group.
1. Select Remove default status in the View & Edit Group window to remove the default status.
2. Select Confirm to confirm the status change.
