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Custom certificates — Cipher suites

Before deploying custom certificates to Cloudflare’s global network, Cloudflare automatically groups the certificates into certificate packs.

A certificate pack is a group of certificates that share the same set of hostnames — for example, and * — but use different signature algorithms.

Each pack can include up to three certificates, one from each of the following signature algorithms:

  • SHA-2/RSA
  • SHA-1/RSA