To set up a firewall around a group of Compute Classic instances, you must create a security list and add your instances to the security list.
|Task||REST API Call|
|1. Create a security list.||
|2. Find out the vcable ID of each instance that you want to add to the security list.||
Note the value of the
|3. Associate each vcable ID (that you identified in the previous step) with the security list, by creating security associations.||