Expect-Ct HTTP Header

Expect-Ct

Used by a server to indicate that UAs should evaluate connections to the host emitting the header field for CT compliance.

Accepted Values

Multiple options from the list below are allowed, each seperated by a comma. Some options take a value, and that is preceded with an = after the option.

enforce: Tell client to refuse future connections that violate the CT policy.
max-age=<integer>: The time after receiving this header that the client should use the header value (seconds).
max-age=4
report-uri="<url>": URL to report Expect-CT failures.
report-uri="https://yourwebsite.com/url"

Example

Expect-Ct: enforce, max-age=4, report-uri="https://yourwebsite.com/url"

Parse

Enter a Expect-Ct header below to parse and return details about it.

Reference

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Expect-CT