Ensure the Default Network Security Group of Every Workspace Restricts All Traffic

How it is checked

Audit method: Manual review

This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.

Perform the following tasks to determine if the account is configured as prescribed: Using Console: 1. Login to the IBM Cloud Portal at https://cloud.ibm.com and select Power Virtual Server user interface. 2. In the navigation panel, click Workspaces, then for each workspace that contains Network Security Groups, open the Workspace details page. 3. From the workspace details page, click view virtual servers. 4. In the left navigation panel, expand Networking and then select Network Security Groups. 5. For the default security group, perform the following: a. Ensure no rule exists that allows inbound (ingress) traffic flow to the Virtual Servers in the group.

How it is fixed

Fix method: Guidance or infrastructure patch

Using Console: 1. Login to the IBM Cloud Portal at https://cloud.ibm.com and select Power Virtual Server user interface. 2. In the navigation panel, click Workspaces, then for each workspace that contains Network Security Groups, open the Workspace details page. 3. From the workspace details page, click view virtual servers. 4. In the left navigation panel, expand Networking and then select Network Security Groups. 5. For the default security group, perform the following: a. Identify the rule that allows inbound (ingress) traffic flows. b. Remove the rule.