VENDOR APPEAL GUIDE

Abuse.ch SSLBL false positive?
Here’s where to start.

abuse.ch provides a contact form with a false-positive reporting category for its threat-data projects.

Vendor guidance checkedSources reviewed: 2026-10-14Detection rules

Appeal contacts

Choose a channel for the type of detection you want reviewed. Contact availability and acceptance are controlled by the vendor.

How to request a review

Detection rules review

abuse.ch provides a contact form with a false-positive reporting category for its threat-data projects.

  1. Open the abuse.ch contact form and choose Report a false positive.
  2. Identify SSLBL and include the exact listed certificate fingerprint, JA3 fingerprint or IP address, the rule ID if applicable, and the VirusTotal report link.
  3. Explain the legitimate use and why the match is incorrect, enter your contact details, and complete the CAPTCHA.
  • Identify the affected abuse.ch project so the report can be routed correctly.

Names you may see in a report

Abuse.ch SSLBLAbuse.ch Blocklists: C2, JA3, SSLAbuse.ch

Aliases help locate the responsible vendor. Related products can use different submission channels; check the scope shown above.

Sources for this entry

“Guidance checked” means a public vendor source supports the route or instructions. We have not sent a test appeal or verified mailbox delivery. Read our methodology.

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