Bot intelligence record

Cloudflare CSUP

Review first

Cloudflare CSUP is a diagnostics from Cloudflare used for Cloudflare CSUP is used for Cloudflare CSUP is used by Cloudflare customer support for diagnostic investigations of customer websites; it appears in server logs as `cloudflare-csup`.

Diagnostics Support Diagnostics Documented Confidence: High Verified: Yes robots.txt: Unknown
Operator
Cloudflare
Family
Cloudflare
Source type
Documented
Last checked
2026-06-22

User-Agent Pattern

Cloudflare
cloudflare-csup
Verification note

User-agent strings are identification signals, not proof of identity. Confirm important allow, block, or rate-limit decisions with logs, DNS or IP evidence, request behavior, or operator documentation when available.

Robots.txt Snippet

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User-agent: cloudflare-csup
Disallow: /

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Handling Guidance

Depends

Use this record as bot intelligence, then verify the request source and behavior before allowing, blocking, or rate limiting.

Cloudflare CSUP is used for Cloudflare CSUP is used by Cloudflare customer support for diagnostic investigations of customer websites.

Record Details

Verified fields
Operator
Cloudflare
Family
Cloudflare
Type
Diagnostics
Purpose
Support Diagnostics
Identity type
Documented
Confidence
High
Last verified
2026-06-22
Last checked
2026-06-22
Source type
Documented
Verification
Verify Cloudflare CSUP by matching `cloudflare-csup` to Cloudflare evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
Spoofing risk
Cloudflare CSUP has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.

Notes

  • Cloudflare CSUP is a diagnostics from Cloudflare used for Cloudflare CSUP is used for Cloudflare CSUP is used by Cloudflare customer support for diagnostic investigations of customer websites.
  • Its primary user-agent pattern is cloudflare-csup; related patterns include Cloudflare customer support diagnostics; Cloudflare CSUP.
  • Cloudflare CSUP is verified with High confidence. The identity type is Documented, and the evidence basis is documented crawler-pattern evidence.
  • Cloudflare CSUP does not have confirmed robots.txt behavior in the available public evidence.
  • Cloudflare CSUP should be reviewed against site policy, source evidence, crawl rate, and requested paths before a permanent allow or block rule is created.

Evidence and Source

  • Verify Cloudflare CSUP by matching `cloudflare-csup` to Cloudflare evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
  • Cloudflare CSUP traffic is primarily detected by the `cloudflare-csup` user-agent pattern; related patterns include `Cloudflare customer support diagnostics; Cloudflare CSUP`. Compare source IPs, reverse DNS, request paths, and crawl cadence with Cloudflare infrastructure before trusting the traffic.
  • Cloudflare CSUP is used for Cloudflare CSUP is used by Cloudflare customer support for diagnostic investigations of customer websites.
  • Cloudflare CSUP has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.

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Verified robots.txt: Unknown Block: Depends Signed Agent
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Operator and family: Cloudflare Type: Diagnostics Purpose: Support Diagnostics
Verified robots.txt: Unknown Block: Depends Official Documented
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Verified robots.txt: Unknown Block: Depends Official Documented
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Verified robots.txt: Unknown Block: Depends Official Documented
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