Ensure no workspace security groups allow ingress from 0.0.0.0/0 to port 3389

Cómo se verifica

Método de auditoría: Revisión manual

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Perform the following tasks to determine if the account is configured as prescribed: 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 port 22 and has a Source of 0.0.0.0/0. Note that a port range value of ALL or a port range that includes port 3389, e.g. 3300-3400, are inclusive of port 3389.

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

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.