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Attaching a Policy

Firewall policies are enforced only when attached to a resource. Policies can be attached to VMs and databases.

Attach from a VM​

  1. Open the VM detail page
  2. Go to the Firewall tab
  3. Select a policy from the Attach policy dropdown
  4. Click Attach

The policy's allow rules are enforced on that VM. The Attached resources count on the policy increments.

Attach from a database​

  1. Open the database detail page
  2. Go to the Firewall tab
  3. Select a policy from the Attach policy dropdown
  4. Click Attach
note

A resource can have more than one policy attached. The allow rules from all attached policies apply together.

warning

Attaching a policy replaces all previously open ports with only what the policy allows. Make sure port 22 is included in your allow rules before attaching, or you will lose SSH (rumpty ssh) access.

Detach a policy​

From the resource's Firewall tab, click Detach on the attached policy's card. When no policies remain attached, the resource reverts to its built-in network behavior.

note

Deleting a policy's rules does not stop enforcement — an attached policy with no rules blocks all inbound traffic. To stop filtering, detach the policy.