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Elastic Docs ›Heartbeat Reference [7.8] ›Exported fields

TLS encryption layer fields

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TLS encryption layer fields

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None

tls

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TLS layer related fields.

tls.certificate_not_valid_before

[7.8.0] Deprecated in 7.8.0.

Deprecated in favor of tls.server.x509.not_before. Earliest time at which the connection’s certificates are valid.

type: date

tls.certificate_not_valid_after

[7.8.0] Deprecated in 7.8.0.

Deprecated in favor of tls.server.x509.not_after. Latest time at which the connection’s certificates are valid.

type: date

rtt

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TLS layer round trip times.

handshake

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Time required to finish TLS handshake based on already available network connection.

tls.rtt.handshake.us

Duration in microseconds

type: long

server

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Detailed x509 certificate metadata

tls.server.x509.alternative_names

List of subject alternative names (SAN). Name types vary by certificate authority and certificate type but commonly contain IP addresses, DNS names (and wildcards), and email addresses.

type: keyword

example: *.elastic.co

tls.server.x509.issuer.common_name

List of common name (CN) of issuing certificate authority.

type: keyword

example: DigiCert SHA2 High Assurance Server CA

tls.server.x509.issuer.common_name.text

type: text

tls.server.x509.issuer.distinguished_name

Distinguished name (DN) of issuing certificate authority.

type: keyword

example: C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert SHA2 High Assurance Server CA

tls.server.x509.not_after

Time at which the certificate is no longer considered valid.

type: date

example: 2020-07-16 03:15:39

tls.server.x509.not_before

Time at which the certificate is first considered valid.

type: date

example: 2019-08-16 01:40:25

tls.server.x509.public_key_algorithm

Algorithm used to generate the public key.

type: keyword

example: RSA

tls.server.x509.public_key_curve

The curve used by the elliptic curve public key algorithm. This is algorithm specific.

type: keyword

example: nistp521

tls.server.x509.public_key_exponent

Exponent used to derive the public key. This is algorithm specific.

type: long

example: 65537

tls.server.x509.public_key_size

The size of the public key space in bits.

type: long

example: 2048

tls.server.x509.serial_number

Unique serial number issued by the certificate authority. For consistency, if this value is alphanumeric, it should be formatted without colons and uppercase characters.

type: keyword

example: 55FBB9C7DEBF09809D12CCAA

tls.server.x509.signature_algorithm

Identifier for certificate signature algorithm. Recommend using names found in Go Lang Crypto library (See https://github.com/golang/go/blob/go1.14/src/crypto/x509/x509.go#L337-L353).

type: keyword

example: SHA256-RSA

tls.server.x509.subject.common_name

List of common names (CN) of subject.

type: keyword

example: r2.shared.global.fastly.net

tls.server.x509.subject.common_name.text

type: text

tls.server.x509.subject.distinguished_name

Distinguished name (DN) of the certificate subject entity.

type: keyword

example: C=US, ST=California, L=San Francisco, O=Fastly, Inc., CN=r2.shared.global.fastly.net

tls.server.x509.version_number

Version of x509 format.

type: keyword

example: 3

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