Ensure no workspace network security groups allow inbound traffic from the Internet from 0.0.0.0/0 to any fileshare port

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.

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 select the workspace that contains the Network Security Groups to review and 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. For each NSG perform the following: a. Select the access control list name b. Ensure no Inbound Rule exists that has a port range that includes ports 139, 445 or 21 and has a Source of 0.0.0.0/0.

How it is fixed

Fix method: Guidance or infrastructure patch

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 select the workspace that contains the Network Security Groups to review and open the Workspace details page. 3. From the workspace details page, click view virtual servers. 4. For each network security group, perform the following: a. Select the network security group name. b. Identify the Inbound rule to be removed, then select Delete.