NAME
    gcloud app firewall-rules update - updates a firewall rule

SYNOPSIS
    gcloud app firewall-rules update PRIORITY [--action=ACTION]
        [--description=DESCRIPTION] [--source-range=SOURCE_RANGE]
        [GCLOUD_WIDE_FLAG ...]

DESCRIPTION
    Updates a firewall rule.

EXAMPLES
    To update an App Engine firewall rule, run:

        $ gcloud app firewall-rules update 1234 \
          --source-range='2001:db8::/32' --action=allow \
          --description='This is an example rule.'

POSITIONAL ARGUMENTS
     PRIORITY
        An integer between 1 and 2^32-1 which indicates the evaluation order of
        rules. Lowest priority rules are evaluated first. The handle default
        may also be used to refer to the final rule at priority 2^32-1 which is
        always present in a set of rules.

FLAGS
     --action=ACTION
        Allow or deny matched traffic. ACTION must be one of: ALLOW, DENY.

     --description=DESCRIPTION
        A text description of the rule.

     --source-range=SOURCE_RANGE
        An IP address or range in CIDR notation or the * wildcard to match all
        traffic.

GCLOUD WIDE FLAGS
    These flags are available to all commands: --access-token-file, --account,
    --billing-project, --configuration, --flags-file, --flatten, --format,
    --help, --impersonate-service-account, --log-http, --project, --quiet,
    --trace-token, --user-output-enabled, --verbosity.

    Run $ gcloud help for details.

NOTES
    This variant is also available:

        $ gcloud beta app firewall-rules update