Here’s how to add a firewall rule in Google Cloud Platform CLI

<pre lang="bash">gcloud compute firewall-rules create "firewall-name" \
--description="firewall-description" \
--priority "1000" \
--direction INGRESS \
--action allow \
--network "network-name" \
--target-service-accounts="service@account.net" \
--source-ranges="10.0.0.0/8" \
--rules tcp:9001

Describe firewall rule.

<pre lang="bash">gcloud compute firewall-rules describe firewall-name

Delete firewall rule.

<pre lang="bash">gcloud compute firewall-rules delete firewall-name