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gcloud alpha compute firewall-rules update

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NAME

gcloud alpha compute firewall-rules update - update a firewall rule

SYNOPSIS

gcloud alpha compute firewall-rules update NAME [--allow=[PROTOCOL[:PORT[-PORT]],…]] [--description=DESCRIPTION] [--destination-ranges=[CIDR_RANGE,…]] [--disabled] [--[no-]enable-logging] [--logging-metadata=LOGGING_METADATA] [--priority=PRIORITY] [--rules=[PROTOCOL[:PORT[-PORT]],…]] [--source-ranges=[CIDR_RANGE,…]] [--source-service-accounts=[EMAIL,…]] [--source-tags=[TAG,…]] [--target-service-accounts=[EMAIL,…]] [--target-tags=[TAG,…]] [GCLOUD_WIDE_FLAG …]

DESCRIPTION

(ALPHA) gcloud alpha compute firewall-rules update is used to update firewall rules that allow/deny incoming/outgoing traffic. The firewall rule will only be updated for arguments that are specifically passed. Other attributes will remain unaffected. The action flag (whether to allow or deny matching traffic) cannot be defined when updating a firewall rule; use gcloud compute firewall-rules delete to remove the rule instead.

EXAMPLES

To update the firewall rule RULE to enable logging, run:

gcloud alpha compute firewall-rules update RULE --enable-logging

POSITIONAL ARGUMENTS

NAME

Name of the firewall rule to update.

FLAGS

--allow=[PROTOCOL[:PORT[-PORT]],…]

A list of protocols and ports whose traffic will be allowed.

The protocols allowed over this connection. This can be the (case-sensitive) string values tcp, udp, icmp, esp, ah, sctp, or any IP protocol number. An IP-based protocol must be specified for each rule. The rule applies only to specified protocol.

For port-based protocols - tcp, udp, and sctp - a list of destination ports or port ranges to which the rule applies may optionally be specified. If no port or port range is specified, the rule applies to all destination ports.

The ICMP protocol is supported, but there is no support for configuring ICMP packet filtering by ICMP code.

For example, to create a rule that allows TCP traffic through port 80 and ICMP traffic:

gcloud alpha compute firewall-rules update MY-RULE --allow tcp:80,icmp

To create a rule that allows TCP traffic from port 20000 to 25000:

gcloud alpha compute firewall-rules update MY-RULE --allow tcp:20000-25000

To create a rule that allows all TCP traffic:

gcloud alpha compute firewall-rules update MY-RULE --allow tcp

Setting this will override the current values.

--description=DESCRIPTION

A textual description for the firewall rule. Set to an empty string to clear existing.

--destination-ranges=[CIDR_RANGE,…]

The firewall rule will apply to traffic that has destination IP address in these IP address block list. The IP address blocks must be specified in CIDR format: http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing.

Setting this will override the existing destination ranges for the firewall. The following will clear the existing destination ranges:

gcloud alpha compute firewall-rules update MY-RULE --destination-ranges

--disabled

Disable a firewall rule and stop it from being enforced in the network. If a firewall rule is disabled, the associated network behaves as if the rule did not exist. To enable a disabled rule, use:

gcloud alpha compute firewall-rules update MY-RULE --no-disabled

--[no-]enable-logging

Enable logging for the firewall rule. Logs will be exported to StackDriver. Firewall logging is disabled by default. To enable logging for an existing rule, run:

gcloud alpha compute firewall-rules update MY-RULE --enable-logging

To disable logging on an existing rule, run:

gcloud alpha compute firewall-rules update MY-RULE --no-enable-logging

Use --enable-logging to enable and --no-enable-logging to disable.

--logging-metadata=LOGGING_METADATA

Adds or removes metadata fields to or from the reported firewall logs. Can only be specified if --enable-logging is true. LOGGING_METADATA must be one of: exclude-all, include-all.

--priority=PRIORITY

This is an integer between 0 and 65535, both inclusive. When NOT specified, the value assumed is 1000. Relative priority determines precedence of conflicting rules: lower priority values imply higher precedence. DENY rules take precedence over ALLOW rules having equal priority.

--rules=[PROTOCOL[:PORT[-PORT]],…]

A list of protocols and ports to which the firewall rule will apply.

PROTOCOL is the IP protocol whose traffic will be checked. PROTOCOL can be either the name of a well-known protocol (e.g., tcp or icmp) or the IP protocol number. A list of IP protocols can be found at http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml

A port or port range can be specified after PROTOCOL to which the firewall rule apply on traffic through specific ports. If no port or port range is specified, connections through all ranges are applied. TCP and UDP rules must include a port or port range.

Setting this will override the current values.

--source-ranges=[CIDR_RANGE,…]

A list of IP address blocks that are allowed to make inbound connections that match the firewall rule to the instances on the network. The IP address blocks must be specified in CIDR format: http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing.

If neither --source-ranges nor --source-tags are specified, --source-ranges defaults to 0.0.0.0/0, which means that the rule applies to all incoming IPv4 connections from inside or outside the network. If both --source-ranges and --source-tags are specified, the rule matches if either the range of the source matches --source-ranges or the tag of the source matches --source-tags.

Setting this will override the existing source ranges for the firewall. The following will clear the existing source ranges:

gcloud alpha compute firewall-rules update MY-RULE --source-ranges

--source-service-accounts=[EMAIL,…]

The email of a service account indicating the set of instances on the network which match a traffic source in the firewall rule.

If a source service account is specified then neither source tags nor target tags can also be specified.

Setting this will override the existing source service accounts for the firewall. The following will clear the existing source service accounts:

gcloud alpha compute firewall-rules update MY-RULE --source-service-accounts

--source-tags=[TAG,…]

A list of instance tags indicating the set of instances on the network to which the rule applies if all other fields match. If neither --source-ranges nor --source-tags are specified, --source-ranges defaults to 0.0.0.0/0, which means that the rule applies to all incoming IPv4 connections from inside or outside the network.

If both --source-ranges and --source-tags are specified, an inbound connection is allowed if either the range of the source matches --source-ranges or the tag of the source matches --source-tags.

Tags can be assigned to instances during instance creation.

If source tags are specified then neither a source nor target service account can also be specified.

Setting this will override the existing source tags for the firewall. The following will clear the existing source tags:

gcloud alpha compute firewall-rules update MY-RULE --source-tags

--target-service-accounts=[EMAIL,…]

The email of a service account indicating the set of instances to which firewall rules apply. If both target tags and target service account are omitted, the firewall rule is applied to all instances on the network.

If a target service account is specified then neither source tag nor target tags can also be specified.

Setting this will override the existing target service accounts for the firewall. The following will clear the existing target service accounts:

gcloud alpha compute firewall-rules update MY-RULE --target-service-accounts

--target-tags=[TAG,…]

List of instance tags indicating the set of instances on the network which may accept connections that match the firewall rule. Note that tags can be assigned to instances during instance creation.

If target tags are specified, then neither a source nor target service account can also be specified.

If both target tags and target service account are omitted, all instances on the network can receive connections that match the rule.

Setting this will override the existing target tags for the firewall. The following will clear the existing target tags:

gcloud alpha compute firewall-rules update MY-RULE --target-tags

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 command is currently in alpha and might change without notice. If this command fails with API permission errors despite specifying the correct project, you might be trying to access an API with an invitation-only early access allowlist. These variants are also available:

gcloud compute firewall-rules update

gcloud beta compute firewall-rules update

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-05-07 UTC.

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