~$ gcloud compute firewall-rules create myfwrule --allow tcp:80
Creating firewall...Created [https://www.googleapis.com/compute/v1/projects/macro-precinct-258522/global/firewalls/myfwrule].
Creating firewall...done.
NAME      NETWORK  DIRECTION  PRIORITY  ALLOW   DENY  DISABLED
myfwrule  default  INGRESS    1000      tcp:80        False
