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HTTP requests

The descriptions below detail the fields available for http_requests.

Type: object

Customer-defined AI Security topic labels and their relevance scores. A score of 1 indicates the highest relevance, and 99 indicates the lowest relevance.

Type: int

The score indicating the likelihood of a prompt injection attack in the request, as determined by AI Security.

Type: array[string]

List of PII categories detected in the request by AI Security.

Type: int

The number of tokens in the request, as counted by AI Security.

Type: array[string]

List of unsafe topic categories detected in the request by AI Security.

Type: array[int]

List of IDs that correlate to the Bot Management Heuristic detections made on a request. Available only for Bot Management customers. To enable this feature, contact your account team.

Type: array[string]

List of tags that correlate to the Bot Management Heuristic detections made on a request. Available only for Bot Management customers. To enable this feature, contact your account team.

Type: int

Cloudflare Bot Score. Scores below 30 are commonly associated with automated traffic. Available only for Bot Management customers. To enable this feature, contact your account team.

Type: string

Detection engine responsible for generating the Bot Score.
Possible values are Not Computed | Heuristics | Machine Learning | Behavioral Analysis | Verified Bot | JS Fingerprinting | Cloudflare Service. Available only for Bot Management customers. To enable this feature, contact your account team.

Type: array[string]

Type of bot traffic (if available). Refer to Bot Tags for the list of potential values. Available only for Bot Management customers. To enable this feature, contact your account team.

Type: string

Cache status.
Possible values are unknown | miss | expired | updating | stale | hit | ignored | bypass | revalidated | dynamic | stream_hit | deferred
"dynamic" means that a request is not eligible for cache. This can mean, for example that it was blocked by the firewall. Refer to Cloudflare cache responses for more details.

Type: int

Maximum time spent waiting on a cache lock across all cache tiers, in milliseconds.

Type: bool

Cache Reserve was used to serve this request.

Type: int

Number of bytes returned by the cache.

Type: int

HTTP status code returned by the cache to the edge. All requests (including non-cacheable ones) go through the cache. Refer also to CacheCacheStatus field.

Type: bool

Tiered Cache was used to serve this request.

Type: int

Client AS number.

Type: string

Approximate city of the client.

Type: string

2-letter ISO-3166 country code of the client IP address.

Type: string

Client device type.

Type: string

IP address of the client.

Type: string

Client IP class.
Possible values are unknown | badHost | searchEngine | allowlist | monitoringService | noRecord | scan | tor.

Type: string

Approximate latitude of the client.

Type: string

Approximate longitude of the client.

Type: string

The SHA256 fingerprint of the certificate presented by the client during mTLS authentication. Only populated on the first request on an mTLS connection.

Type: string

The status of mTLS authentication. Only populated on the first request on an mTLS connection.
Possible values are unknown | ok | absent | untrusted | notyetvalid | expired.

Type: string

The ISO-3166-2 region code of the client IP address.

Type: int

Number of bytes in the client request.

Type: string

Host requested by the client.

Type: string

HTTP method of client request.

Type: string

URI path requested by the client, which includes only the path portion of the requested URL, without the query string.

Type: string

HTTP protocol of client request.

Type: string

HTTP request referrer.

Type: string

The URL scheme requested by the visitor.

Type: string

Identifies requests as coming from an external source or another service within Cloudflare. Refer to ClientRequestSource field for the list of potential values.

Type: string

URI requested by the client, which includes the full path and query string of the requested URL.

Type: string

User agent reported by the client.

Type: string

Client SSL cipher.

Type: string

Client SSL (TLS) protocol. The value "none" means that SSL was not used.

Type: int

Client source port.

Type: int

The smoothed average of TCP round-trip time (SRTT). For the initial request on a connection, this is measured only during connection setup. For a subsequent request on the same connection, it is measured over the entire connection lifetime up until the time that request is received.

Type: string

TLS key exchange group between the client and Cloudflare (for example, 'X25519MLKEM768'). 'UNK' means it could not be determined. 'NONE' means TLS was not used.

Type: string

X-Requested-With HTTP header.

Type: array[string]

List of content scan results.

Type: array[int]

List of content object sizes.

Type: array[string]

List of content types.

Type: object

String key-value pairs for cookies. This field is populated based on Logpush Custom fields, which need to be configured.

Type: bool

True if the request looped through multiple zones on the Cloudflare edge. This is considered an O2O request.

Type: string

IATA airport code of the data center that received the request.

Type: int

Cloudflare edge data center ID.

Type: int or string

Timestamp at which the edge finished sending response to the client.

Type: string

Indicates what type of response was issued for this request (unknown = no specific action).

Type: string

Details how the request was classified based on security checks (unknown = no specific classification).

Type: string

Indicates what data was used to determine the handling of this request (unknown = no data).

Type: string

Host header on the request from the edge to the origin.

Type: int

Size of the HTTP response body returned to clients.

Type: int

Number of bytes returned by the edge to the client.

Type: float

The edge response compression ratio is calculated as the ratio between the sizes of the original and compressed responses.

Type: string

Edge response Content-Type header value.

Type: int

HTTP status code returned by Cloudflare to the client.

Type: string

IP of the edge server making a request to the origin. Possible responses are string in IPv4 or IPv6 format, or empty string. Empty string means that there was no request made to the origin server.

Type: int or string

Timestamp at which the edge received request from the client.

Type: int

Total view of Time To First Byte as measured at Cloudflare's edge. Starts after a TCP connection is established and ends when Cloudflare begins returning the first byte of a response to eyeballs. Includes TLS handshake time (for new connections) and origin response time.

Type: int

The score indicating the likelihood of a prompt injection attack in the request, as determined by Firewall for AI. Deprecated: Use AISecurityInjectionScore instead.

Type: array[string]

List of PII categories detected in the request by Firewall for AI. Deprecated: Use AISecurityPIICategories instead.

Type: int

The number of tokens in the request, as counted by Firewall for AI. Deprecated: Use AISecurityTokenCount instead.

Type: array[string]

List of unsafe topic categories detected in the request by Firewall for AI. Deprecated: Use AISecurityUnsafeTopicCategories instead.

Type: string

The primary attack or use case detected in the request by Fraud detections.

Type: array[int]

List of IDs that correlate to the Fraud detections made on a request.

Type: array[string]

List of tags that correlate to the Fraud detections made on a request.

Type: string

Risk of a specific email address.
Possible values are low | medium | high.

Type: string

A unique identifier generated by the Fraud Detection system for each user, generated during any action determined by the fraud event type.

Type: string

The MD5 hash of the JA3 fingerprint used to profile SSL/TLS clients. Available only for Bot Management customers. To enable this feature, contact your account team.

Type: string

The JA4 fingerprint used to profile SSL/TLS clients. Available only for Bot Management customers. To enable this feature, contact your account team.

Type: object

Inter-request statistics computed for this JA4 fingerprint. JA4Signals field is organized in key:value pairs, where values are numbers. Available only for Bot Management customers. To enable this feature, contact your account team.

Type: string

Whether the request passed background JavaScript Detection.
Possible values are passed | failed | missing. Available only for Bot Management customers. To enable this feature, contact your account team.

Type: string

Result of the check for leaked credentials.
Possible results are: password_leaked | username_and_password_leaked | username_password_similar | username_leaked | clean.

Type: array[object]

Array of matched Cloudflare Rules product rules grouped by product. Each object contains: product (string, for example snippets, transform, redirects), rulesetId (string), rulesetVersion (int), and rules (array of objects, each with id (string) and optional metadata (object with string key-value pairs)).

Type: int

Time taken to receive a DNS response for an origin name. Usually takes a few milliseconds, but may be longer if a CNAME record is used.

Type: string

IP of the origin server.

Type: int

Time taken to send request headers to origin after establishing a connection. Note that this value is usually 0.

Type: int

Number of bytes returned by the origin server. Consider using CacheResponseBytes and filtering out OriginResponseStatus with values 0 and 304, which indicate a revalidated response. Refer to Calculating origin-served bytes.

Type: int

Upstream response time, measured from the first datacenter that receives a request. Includes time taken by Argo Smart Routing and Tiered Cache, plus time to connect and receive a response from origin servers. This field replaces OriginResponseTime.

Type: string

Value of the origin 'expires' header in RFC1123 format.

Type: string

Value of the origin 'last-modified' header in RFC1123 format.

Type: int

Time taken for origin to return response headers after Cloudflare finishes sending request headers.

Type: int

Status returned by the upstream server. The value 0 means that there was no response received from the origin server and the response was served by Cloudflare's Edge. However, if the zone has a Worker running on it, the value 0 could be the result of a Workers subrequest made to the origin.

Type: int

Number of nanoseconds it took the origin to return the response to edge.

Type: string

SSL (TLS) protocol used to connect to the origin.

Type: int

Time taken to complete TCP handshake with origin. This will be 0 if an origin connection is reused.

Type: int

Time taken to complete TLS handshake with origin. This will be 0 if an origin connection is reused.

Type: string

Ray ID of the parent request if this request was made using a Worker script.

Type: string

Pay Per Crawl outcome, when applicable (for example, request enabled for charging and not blocked by a WAF rule).

Type: string

ID of the request.

Type: object

String key-value pairs for request headers. This field is populated based on Logpush Custom fields, which need to be configured.

Type: object

String key-value pairs for response headers. This field is populated based on Logpush Custom fields, which need to be configured.

Type: string

Action of the security rule that triggered a terminating action, if any.

Type: array[string]

Array of actions the Cloudflare security products performed on this request. The individual security products associated with this action can be found in SecuritySources and their respective rule IDs can be found in SecurityRuleIDs. The length of the array is the same as SecurityRuleIDs and SecuritySources.
Possible actions are unknown | allow | block | challenge | jschallenge | log | connectionClose | challengeSolved | challengeBypassed | jschallengeSolved | jschallengeBypassed | bypass | managedChallenge | managedChallengeNonInteractiveSolved | managedChallengeInteractiveSolved | managedChallengeBypassed | rewrite | forceConnectionClose | skip | precursorInterstitialPageIssued | precursorInterstitialPageBypassed | precursorInterstitialPageSolved.

Type: string

Description of the security rule that triggered a terminating action, if any.

Type: string

Rule ID of the security rule that triggered a terminating action, if any.

Type: array[string]

Array of rule IDs of the security product that matched the request. The security product associated with the rule ID can be found in SecuritySources. The length of the array is the same as SecurityActions and SecuritySources.

Type: array[string]

Array of security products that matched the request. The same product can appear multiple times, which indicates different rules or actions that were activated. The rule IDs can be found in SecurityRuleIDs, and the actions can be found in SecurityActions. The length of the array is the same as SecurityRuleIDs and SecurityActions.
Possible sources are unknown | asn | country | ip | ipRange | securityLevel | zoneLockdown | waf | firewallRules | uaBlock | rateLimit | bic | hot | l7ddos | validation | botFight | apiShield | botManagement | dlp | firewallManaged | firewallCustom | apiShieldSchemaValidation | apiShieldTokenValidation | apiShieldSequenceMitigation | precursor.

Type: int

The Cloudflare data center used to connect to the origin server if Argo Smart Routing is used.

Type: array[object]

Flattened list of subrequests associated with this request. Each subrequest contains the same fields as the parent request (excluding Subrequests itself).

Type: int

The "upper tier" data center that was checked for a cached copy if Tiered Cache is used.

Type: string

The category of verified bot.

Type: int

Overall request score generated by the WAF detection module.

Type: string

Additional configuration flags: simulate (0x1) | null.

Type: string

The full name of the most-recently matched variable.

Type: int

WAF score for an RCE attack.

Type: array[string]

List of attack signature categories matched for the request.

Type: array[string]

List of attack signature rule references (refs) matched for the request.

Type: int

WAF score for an SQLi attack.

Type: int

WAF score for an XSS attack.

Type: array[string]

Cloudflare-defined labels matched for the request.

Type: string

UUID of the matched web asset operation.

Type: int

Amount of time in microseconds spent executing a Worker, if any.

Type: string

The Worker script name that made the request.

Type: string

Status returned from Worker daemon.

Type: bool

Whether or not this request was a Worker subrequest.

Type: int

Number of subrequests issued by a Worker when handling this request.

Type: int

The elapsed time in microseconds between the start of a Worker invocation, and when the Workers Runtime determines that no more JavaScript needs to run. Specifically, this measures the wall-clock time that the JavaScript context remained open. For example, when returning a response with a large body, the Workers runtime can, in some cases, determine that no more JavaScript needs to run, and closes the JS context before all the bytes have passed through and been sent. Alternatively, if you use the waitUntil() API to perform work without blocking the return of a response, this work may continue executing after the response has been returned, and will be included in WorkerWallTimeUs.

Type: string

The human-readable name of the zone (for example, 'cloudflare.com').