---
prelude: >
    Enable 'use_default_block_all' to ensure that traffic to a port that has
    no security groups and has port security enabled will be discarded.
features:
  - |
    Enable 'use_default_block_all' to ensure that traffic to a port that has
    no security groups and has port security enabled will be discarded. This
    will ensure the same behaviours as the upstream security groups.