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Showing content from http://cloud.google.com/compute/docs/reference/rest/v1/forwardingRules/list below:

Method: forwardingRules.list | Compute Engine Documentation

Method: forwardingRules.list

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Retrieves a list of ForwardingRule resources available to the specified project and region.

HTTP request

GET https://compute.googleapis.com/compute/v1/projects/{project}/regions/{region}/forwardingRules

The URL uses gRPC Transcoding syntax.

Path parameters Parameters project

string

Project ID for this request.

region

string

Name of the region scoping this request.

Query parameters Parameters maxResults

integer (uint32 format)

The maximum number of results per page that should be returned. If the number of available results is larger than maxResults, Compute Engine returns a nextPageToken that can be used to get the next page of results in subsequent list requests. Acceptable values are 0 to 500, inclusive. (Default: 500)

pageToken

string

Specifies a page token to use. Set pageToken to the nextPageToken returned by a previous list request to get the next page of results.

filter

string

A filter expression that filters resources listed in the response. Most Compute resources support two types of filter expressions: expressions that support regular expressions and expressions that follow API improvement proposal AIP-160. These two types of filter expressions cannot be mixed in one request.

If you want to use AIP-160, your expression must specify the field name, an operator, and the value that you want to use for filtering. The value must be a string, a number, or a boolean. The operator must be either =, !=, >, <, <=, >= or :.

For example, if you are filtering Compute Engine instances, you can exclude instances named example-instance by specifying name != example-instance.

The :* comparison can be used to test whether a key has been defined. For example, to find all objects with owner label use:

labels.owner:*

You can also filter nested fields. For example, you could specify scheduling.automaticRestart = false to include instances only if they are not scheduled for automatic restarts. You can use filtering on nested fields to filter based on resource labels.

To filter on multiple expressions, provide each separate expression within parentheses. For example:

(scheduling.automaticRestart = true)
(cpuPlatform = "Intel Skylake")

By default, each expression is an AND expression. However, you can include AND and OR expressions explicitly. For example:

(cpuPlatform = "Intel Skylake") OR
(cpuPlatform = "Intel Broadwell") AND
(scheduling.automaticRestart = true)

If you want to use a regular expression, use the eq (equal) or ne (not equal) operator against a single un-parenthesized expression with or without quotes or against multiple parenthesized expressions. Examples:

fieldname eq unquoted literal fieldname eq 'single quoted literal' fieldname eq "double quoted literal" (fieldname1 eq literal) (fieldname2 ne "literal")

The literal value is interpreted as a regular expression using Google RE2 library syntax. The literal value must match the entire field.

For example, to filter for instances that do not end with name "instance", you would use name ne .*instance.

You cannot combine constraints on multiple fields using regular expressions.

orderBy

string

Sorts list results by a certain order. By default, results are returned in alphanumerical order based on the resource name.

You can also sort results in descending order based on the creation timestamp using orderBy="creationTimestamp desc". This sorts results based on the creationTimestamp field in reverse chronological order (newest result first). Use this to sort resources like operations so that the newest operation is returned first.

Currently, only sorting by name or creationTimestamp desc is supported.

returnPartialSuccess

boolean

Opt-in for partial success behavior which provides partial results in case of failure. The default value is false.

For example, when partial success behavior is enabled, aggregatedList for a single zone scope either returns all resources in the zone or no resources, with an error code.

Request body

The request body must be empty.

Response body

Contains a list of ForwardingRule resources.

If successful, the response body contains data with the following structure:

JSON representation 
{
  "kind": string,
  "id": string,
  "items": [
    {
      "kind": string,
      "id": string,
      "creationTimestamp": string,
      "name": string,
      "description": string,
      "region": string,
      "IPAddress": string,
      "IPProtocol": enum,
      "portRange": string,
      "ports": [
        string
      ],
      "target": string,
      "selfLink": string,
      "selfLinkWithId": string,
      "loadBalancingScheme": enum,
      "subnetwork": string,
      "network": string,
      "backendService": string,
      "serviceDirectoryRegistrations": [
        {
          "namespace": string,
          "service": string,
          "serviceDirectoryRegion": string
        }
      ],
      "serviceLabel": string,
      "serviceName": string,
      "networkTier": enum,
      "labels": {
        string: string,
        ...
      },
      "labelFingerprint": string,
      "ipVersion": enum,
      "fingerprint": string,
      "allPorts": boolean,
      "allowGlobalAccess": boolean,
      "metadataFilters": [
        {
          "filterMatchCriteria": enum,
          "filterLabels": [
            {
              "name": string,
              "value": string
            }
          ]
        }
      ],
      "isMirroringCollector": boolean,
      "sourceIpRanges": [
        string
      ],
      "pscConnectionId": string,
      "pscConnectionStatus": enum,
      "baseForwardingRule": string,
      "allowPscGlobalAccess": boolean,
      "noAutomateDnsZone": boolean,
      "ipCollection": string,
      "externalManagedBackendBucketMigrationState": enum,
      "externalManagedBackendBucketMigrationTestingPercentage": number
    }
  ],
  "nextPageToken": string,
  "selfLink": string,
  "warning": {
    "code": enum,
    "message": string,
    "data": [
      {
        "key": string,
        "value": string
      }
    ]
  }
}
Fields kind

string

Type of resource.

id

string

[Output Only] Unique identifier for the resource; defined by the server.

items[]

object

A list of ForwardingRule resources.

items[].kind

string

[Output Only] Type of the resource. Always compute#forwardingRule for forwarding rule resources.

items[].id

string (uint64 format)

[Output Only] The unique identifier for the resource. This identifier is defined by the server.

items[].creationTimestamp

string

[Output Only] Creation timestamp in RFC3339 text format.

items[].name

string

Name of the resource; provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression [a-z]([-a-z0-9]*[a-z0-9])? which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.

For Private Service Connect forwarding rules that forward traffic to Google APIs, the forwarding rule name must be a 1-20 characters string with lowercase letters and numbers and must start with a letter.

items[].description

string

An optional description of this resource. Provide this property when you create the resource.

items[].region

string

[Output Only] URL of the region where the regional forwarding rule resides. This field is not applicable to global forwarding rules. You must specify this field as part of the HTTP request URL. It is not settable as a field in the request body.

items[].IPAddress

string

IP address for which this forwarding rule accepts traffic. When a client sends traffic to this IP address, the forwarding rule directs the traffic to the referenced target or backendService. While creating a forwarding rule, specifying an IPAddress is required under the following circumstances:

Otherwise, you can optionally specify an IP address that references an existing static (reserved) IP address resource. When omitted, Google Cloud assigns an ephemeral IP address.

Use one of the following formats to specify an IP address while creating a forwarding rule:

The forwarding rule's target or backendService, and in most cases, also the loadBalancingScheme, determine the type of IP address that you can use. For detailed information, see IP address specifications.

When reading an IPAddress, the API always returns the IP address number.

items[].IPProtocol

enum

The IP protocol to which this rule applies.

For protocol forwarding, valid options are TCP, UDP, ESP, AH, SCTP, ICMP and L3_DEFAULT.

The valid IP protocols are different for different load balancing products as described in Load balancing features.

items[].portRange

string

The ports, portRange, and allPorts fields are mutually exclusive. Only packets addressed to ports in the specified range will be forwarded to the backends configured with this forwarding rule.

The portRange field has the following limitations:

For external forwarding rules, two or more forwarding rules cannot use the same [IPAddress, IPProtocol] pair, and cannot have overlapping portRanges.

For internal forwarding rules within the same VPC network, two or more forwarding rules cannot use the same [IPAddress, IPProtocol] pair, and cannot have overlapping portRanges.

@pattern: \d+(?:-\d+)?

items[].ports[]

string

The ports, portRange, and allPorts fields are mutually exclusive. Only packets addressed to ports in the specified range will be forwarded to the backends configured with this forwarding rule.

The ports field has the following limitations:

For external forwarding rules, two or more forwarding rules cannot use the same [IPAddress, IPProtocol] pair if they share at least one port number.

For internal forwarding rules within the same VPC network, two or more forwarding rules cannot use the same [IPAddress, IPProtocol] pair if they share at least one port number.

@pattern: \d+(?:-\d+)?

items[].target

string

The URL of the target resource to receive the matched traffic. For regional forwarding rules, this target must be in the same region as the forwarding rule. For global forwarding rules, this target must be a global load balancing resource.

The forwarded traffic must be of a type appropriate to the target object.

items[].selfLink

string

[Output Only] Server-defined URL for the resource.

items[].selfLinkWithId

string

[Output Only] Server-defined URL for this resource with the resource id.

items[].loadBalancingScheme

enum

Specifies the forwarding rule type.

For more information about forwarding rules, refer to Forwarding rule concepts.

items[].subnetwork

string

This field identifies the subnetwork that the load balanced IP should belong to for this forwarding rule, used with internal load balancers and external passthrough Network Load Balancers with IPv6.

If the network specified is in auto subnet mode, this field is optional. However, a subnetwork must be specified if the network is in custom subnet mode or when creating external forwarding rule with IPv6.

items[].network

string

This field is not used for global external load balancing.

For internal passthrough Network Load Balancers, this field identifies the network that the load balanced IP should belong to for this forwarding rule. If the subnetwork is specified, the network of the subnetwork will be used. If neither subnetwork nor this field is specified, the default network will be used.

For Private Service Connect forwarding rules that forward traffic to Google APIs, a network must be provided.

items[].backendService

string

Identifies the backend service to which the forwarding rule sends traffic. Required for internal and external passthrough Network Load Balancers; must be omitted for all other load balancer types.

items[].serviceDirectoryRegistrations[]

object

Service Directory resources to register this forwarding rule with. Currently, only supports a single Service Directory resource.

items[].serviceDirectoryRegistrations[].namespace

string

Service Directory namespace to register the forwarding rule under.

items[].serviceDirectoryRegistrations[].service

string

Service Directory service to register the forwarding rule under.

items[].serviceDirectoryRegistrations[].serviceDirectoryRegion

string

[Optional] Service Directory region to register this global forwarding rule under. Default to "us-central1". Only used for PSC for Google APIs. All PSC for Google APIs forwarding rules on the same network should use the same Service Directory region.

items[].serviceLabel

string

An optional prefix to the service name for this forwarding rule. If specified, the prefix is the first label of the fully qualified service name.

The label must be 1-63 characters long, and comply with RFC1035. Specifically, the label must be 1-63 characters long and match the regular expression [a-z]([-a-z0-9]*[a-z0-9])? which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.

This field is only used for internal load balancing.

items[].serviceName

string

[Output Only] The internal fully qualified service name for this forwarding rule.

This field is only used for internal load balancing.

items[].networkTier

enum

This signifies the networking tier used for configuring this load balancer and can only take the following values: PREMIUM, STANDARD.

For regional ForwardingRule, the valid values are PREMIUM and STANDARD. For GlobalForwardingRule, the valid value is PREMIUM.

If this field is not specified, it is assumed to be PREMIUM. If IPAddress is specified, this value must be equal to the networkTier of the Address.

items[].labels

map (key: string, value: string)

Labels for this resource. These can only be added or modified by the setLabels method. Each label key/value pair must comply with RFC1035. Label values may be empty.

items[].labelFingerprint

string (bytes format)

A fingerprint for the labels being applied to this resource, which is essentially a hash of the labels set used for optimistic locking. The fingerprint is initially generated by Compute Engine and changes after every request to modify or update labels. You must always provide an up-to-date fingerprint hash in order to update or change labels, otherwise the request will fail with error 412 conditionNotMet.

To see the latest fingerprint, make a get() request to retrieve a ForwardingRule.

A base64-encoded string.

items[].ipVersion

enum

The IP Version that will be used by this forwarding rule. Valid options are IPV4 or IPV6.

items[].fingerprint

string (bytes format)

Fingerprint of this resource. A hash of the contents stored in this object. This field is used in optimistic locking. This field will be ignored when inserting a ForwardingRule. Include the fingerprint in patch request to ensure that you do not overwrite changes that were applied from another concurrent request.

To see the latest fingerprint, make a get() request to retrieve a ForwardingRule.

A base64-encoded string.

items[].allPorts

boolean

The ports, portRange, and allPorts fields are mutually exclusive. Only packets addressed to ports in the specified range will be forwarded to the backends configured with this forwarding rule.

The allPorts field has the following limitations:

items[].allowGlobalAccess

boolean

If set to true, clients can access the internal passthrough Network Load Balancers, the regional internal Application Load Balancer, and the regional internal proxy Network Load Balancer from all regions. If false, only allows access from the local region the load balancer is located at. Note that for INTERNAL_MANAGED forwarding rules, this field cannot be changed after the forwarding rule is created.

items[].metadataFilters[]

object

Opaque filter criteria used by load balancer to restrict routing configuration to a limited set of xDS compliant clients. In their xDS requests to load balancer, xDS clients present node metadata. When there is a match, the relevant configuration is made available to those proxies. Otherwise, all the resources (e.g. TargetHttpProxy, UrlMap) referenced by the ForwardingRule are not visible to those proxies.

For each metadataFilter in this list, if its filterMatchCriteria is set to MATCH_ANY, at least one of the filterLabels must match the corresponding label provided in the metadata. If its filterMatchCriteria is set to MATCH_ALL, then all of its filterLabels must match with corresponding labels provided in the metadata. If multiple metadataFilters are specified, all of them need to be satisfied in order to be considered a match.

metadataFilters specified here will be applifed before those specified in the UrlMap that this ForwardingRule references.

metadataFilters only applies to Loadbalancers that have their loadBalancingScheme set to INTERNAL_SELF_MANAGED.

items[].metadataFilters[].filterMatchCriteria

enum

Specifies how individual filter label matches within the list of filterLabels and contributes toward the overall metadataFilter match.

Supported values are:

items[].metadataFilters[].filterLabels[]

object

The list of label value pairs that must match labels in the provided metadata based on filterMatchCriteria

This list must not be empty and can have at the most 64 entries.

items[].metadataFilters[].filterLabels[].name

string

Name of metadata label.

The name can have a maximum length of 1024 characters and must be at least 1 character long.

items[].metadataFilters[].filterLabels[].value

string

The value of the label must match the specified value.

value can have a maximum length of 1024 characters.

items[].isMirroringCollector

boolean

Indicates whether or not this load balancer can be used as a collector for packet mirroring. To prevent mirroring loops, instances behind this load balancer will not have their traffic mirrored even if a PacketMirroring rule applies to them. This can only be set to true for load balancers that have their loadBalancingScheme set to INTERNAL.

items[].sourceIpRanges[]

string

If not empty, this forwarding rule will only forward the traffic when the source IP address matches one of the IP addresses or CIDR ranges set here. Note that a forwarding rule can only have up to 64 source IP ranges, and this field can only be used with a regional forwarding rule whose scheme is EXTERNAL. Each sourceIpRange entry should be either an IP address (for example, 1.2.3.4) or a CIDR range (for example, 1.2.3.0/24).

items[].pscConnectionId

string (uint64 format)

[Output Only] The PSC connection id of the PSC forwarding rule.

items[].pscConnectionStatus

enum

items[].baseForwardingRule

string

[Output Only] The URL for the corresponding base forwarding rule. By base forwarding rule, we mean the forwarding rule that has the same IP address, protocol, and port settings with the current forwarding rule, but without sourceIPRanges specified. Always empty if the current forwarding rule does not have sourceIPRanges specified.

items[].allowPscGlobalAccess

boolean

This is used in PSC consumer ForwardingRule to control whether the PSC endpoint can be accessed from another region.

items[].noAutomateDnsZone

boolean

This is used in PSC consumer ForwardingRule to control whether it should try to auto-generate a DNS zone or not. Non-PSC forwarding rules do not use this field. Once set, this field is not mutable.

items[].ipCollection

string

Resource reference of a PublicDelegatedPrefix. The PDP must be a sub-PDP in EXTERNAL_IPV6_FORWARDING_RULE_CREATION mode.

Use one of the following formats to specify a sub-PDP when creating an IPv6 NetLB forwarding rule using BYOIP: Full resource URL, as in https://www.googleapis.com/compute/v1/projects/projectId/regions/region/publicDelegatedPrefixes/sub-pdp-name Partial URL, as in:

items[].externalManagedBackendBucketMigrationState

enum

Specifies the canary migration state for the backend buckets attached to this forwarding rule. Possible values are PREPARE, TEST_BY_PERCENTAGE, and TEST_ALL_TRAFFIC.

To begin the migration from EXTERNAL to EXTERNAL_MANAGED, the state must be changed to PREPARE. The state must be changed to TEST_ALL_TRAFFIC before the loadBalancingScheme can be changed to EXTERNAL_MANAGED. Optionally, the TEST_BY_PERCENTAGE state can be used to migrate traffic to backend buckets attached to this forwarding rule by percentage using externalManagedBackendBucketMigrationTestingPercentage.

Rolling back a migration requires the states to be set in reverse order. So changing the scheme from EXTERNAL_MANAGED to EXTERNAL requires the state to be set to TEST_ALL_TRAFFIC at the same time. Optionally, the TEST_BY_PERCENTAGE state can be used to migrate some traffic back to EXTERNAL or PREPARE can be used to migrate all traffic back to EXTERNAL.

items[].externalManagedBackendBucketMigrationTestingPercentage

number

Determines the fraction of requests to backend buckets that should be processed by the global external Application Load Balancer.

The value of this field must be in the range [0, 100].

This value can only be set if the loadBalancingScheme in the BackendService is set to EXTERNAL (when using the classic Application Load Balancer) and the migration state is TEST_BY_PERCENTAGE.

nextPageToken

string

[Output Only] This token allows you to get the next page of results for list requests. If the number of results is larger than maxResults, use the nextPageToken as a value for the query parameter pageToken in the next list request. Subsequent list requests will have their own nextPageToken to continue paging through the results.

selfLink

string

[Output Only] Server-defined URL for this resource.

warning

object

[Output Only] Informational warning message.

warning.code

enum

[Output Only] A warning code, if applicable. For example, Compute Engine returns NO_RESULTS_ON_PAGE if there are no results in the response.

warning.message

string

[Output Only] A human-readable description of the warning code.

warning.data[]

object

[Output Only] Metadata about this warning in key: value format. For example:

"data": [  {  "key": "scope",  "value": "zones/us-east1-d"  }
warning.data[].key

string

[Output Only] A key that provides more detail on the warning being returned. For example, for warnings where there are no results in a list request for a particular zone, this key might be scope and the key value might be the zone name. Other examples might be a key indicating a deprecated resource and a suggested replacement, or a warning about invalid network settings (for example, if an instance attempts to perform IP forwarding but is not enabled for IP forwarding).

warning.data[].value

string

[Output Only] A warning data value corresponding to the key.

Requires one of the following OAuth scopes:

For more information, see the Authentication Overview.

IAM Permissions

In addition to any permissions specified on the fields above, authorization requires one or more of the following IAM permissions:

To find predefined roles that contain those permissions, see Compute Engine IAM Roles.

[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-28 UTC."],[[["This page details how to retrieve a list of ForwardingRule resources using a `GET` request to the specified endpoint: `https://compute.googleapis.com/compute/v1/projects/{project}/regions/{region}/forwardingRules`."],["The request requires two path parameters: `project` (the project ID) and `region` (the region name) to scope the forwarding rules list."],["Several query parameters, including `maxResults`, `pageToken`, `filter`, `orderBy`, and `returnPartialSuccess`, can be used to customize the results."],["The request body is empty, while the response body contains a list of ForwardingRule resources, each described by a detailed JSON schema."],["Access to this list requires specific authorization scopes (`compute.readonly`, `compute`, `cloud-platform`) and the `compute.forwardingRules.list` IAM permission."]]],[]]

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