PATCH /zones/{zone_id}/settings/auto_origin_tls_kex

Enable or disable Auto-Origin TLS KEX selection for the zone by sending {"enabled": true} or {"enabled": false}. When enabled, Cloudflare runs a periodic scan of the zone's origins to determine the preferred key-exchange algorithm and writes that preference to the edge so it is sent first in the TLS ClientHello to the origin.

Servers

Path parameters

Name Type Required Description
zone_id String Yes

Request headers

Name Type Required Description
Content-Type String Yes The media type of the request body.

Default value: "application/json"

Request body fields

Name Type Required Description
enabled Boolean Yes

Controls enablement of Auto-Origin TLS KEX selection for the zone.

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