Update a User Agent Blocking rule

PUT/zones/{zone_id}/firewall/ua_rules/{ua_rule_id}

Updates an existing User Agent Blocking rule.

Security

API Token

The preferred authorization scheme for interacting with the Cloudflare API. Create a token.

Example:Authorization: Bearer Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY

API Email + API Key

The previous authorization scheme for interacting with the Cloudflare API, used in conjunction with a Global API key.

Example:X-Auth-Email: user@example.com

The previous authorization scheme for interacting with the Cloudflare API. When possible, use API tokens instead of Global API keys.

Example:X-Auth-Key: 144c9defac04969c7bfad8efaa8ea194

Accepted Permissions (at least one required)

Firewall Services Write

Path ParametersExpand Collapse

zone_id: string

Defines an identifier.

maxLength32

ua_rule_id: string

The unique identifier of the User Agent Blocking rule.

maxLength32

Body ParametersJSONExpand Collapse

configuration: AccessRuleIPConfiguration { target, value } or IPV6Configuration { target, value } or AccessRuleCIDRConfiguration { target, value } or 2 more

The rule configuration.

One of the following:

AccessRuleIPConfiguration = object { target, value }

target: optional "ip"

The configuration target. You must set the target to ip when specifying an IP address in the rule.

value: optional string

The IP address to match. This address will be compared to the IP address of incoming requests.

IPV6Configuration = object { target, value }

target: optional "ip6"

The configuration target. You must set the target to ip6 when specifying an IPv6 address in the rule.

value: optional string

The IPv6 address to match.

AccessRuleCIDRConfiguration = object { target, value }

target: optional "ip_range"

The configuration target. You must set the target to ip_range when specifying an IP address range in the rule.

value: optional string

The IP address range to match. You can only use prefix lengths /16 and /24 for IPv4 ranges, and prefix lengths /32, /48, and /64 for IPv6 ranges.

ASNConfiguration = object { target, value }

target: optional "asn"

The configuration target. You must set the target to asn when specifying an Autonomous System Number (ASN) in the rule.

value: optional string

The AS number to match.

CountryConfiguration = object { target, value }

target: optional "country"

The configuration target. You must set the target to country when specifying a country code in the rule.

value: optional string

The two-letter ISO-3166-1 alpha-2 code to match. For more information, refer to IP Access rules: Parameters.

mode: "block" or "challenge" or "whitelist" or 2 more

The action to apply to a matched request.

One of the following:

"block"

"challenge"

"whitelist"

"js_challenge"

"managed_challenge"

description: optional string

An informative summary of the rule. This value is sanitized and any tags will be removed.

maxLength1024

paused: optional boolean

When true, indicates that the rule is currently paused.

ReturnsExpand Collapse

errors: array of ResponseInfo { code, message, documentation_url, source }

code: number

minimum1000

message: string

documentation_url: optional string

source: optional object { pointer }

pointer: optional string

messages: array of ResponseInfo { code, message, documentation_url, source }

code: number

minimum1000

message: string

documentation_url: optional string

source: optional object { pointer }

pointer: optional string

result: object { id, configuration, description, 2 more }

id: optional string

The unique identifier of the User Agent Blocking rule.

maxLength32

configuration: optional object { target, value }

The configuration object for the current rule.

target: optional string

The configuration target for this rule. You must set the target to ua for User Agent Blocking rules.

value: optional string

The exact user agent string to match. This value will be compared to the received User-Agent HTTP header value.

description: optional string

An informative summary of the rule.

maxLength1024

mode: optional "block" or "challenge" or "js_challenge" or "managed_challenge"

The action to apply to a matched request.

maxLength12

One of the following:

"block"

"challenge"

"js_challenge"

"managed_challenge"

paused: optional boolean

When true, indicates that the rule is currently paused.

success: true

Defines whether the API call was successful.

Update a User Agent Blocking rule

curl https://api.cloudflare.com/client/v4/zones/$ZONE_ID/firewall/ua_rules/$UA_RULE_ID \
    -X PUT \
    -H 'Content-Type: application/json' \
    -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
    -d '{
          "configuration": {},
          "mode": "challenge",
          "description": "Prevent multiple login failures to mitigate brute force attacks"
        }'

{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "result": {
    "id": "372e67954025e0ba6aaa6d586b9e0b59",
    "configuration": {
      "target": "ua",
      "value": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.1.1 Safari/603.2.4"
    },
    "description": "Prevent access from abusive clients identified by this User Agent to mitigate a DDoS attack",
    "mode": "js_challenge",
    "paused": false
  },
  "success": true
}

Returns Examples

{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "result": {
    "id": "372e67954025e0ba6aaa6d586b9e0b59",
    "configuration": {
      "target": "ua",
      "value": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.1.1 Safari/603.2.4"
    },
    "description": "Prevent access from abusive clients identified by this User Agent to mitigate a DDoS attack",
    "mode": "js_challenge",
    "paused": false
  },
  "success": true
}