Host Fieldsedit

A host is defined as a general computing instance.

ECS host.* fields should be populated with details about the host on which the event happened, or from which the measurement was taken. Host types include hardware, virtual machines, Docker containers, and Kubernetes nodes.

Host Field Detailsedit

Field Description Level

host.architecture

Operating system architecture.

type: keyword

example: x86_64

core

host.domain

Name of the domain of which the host is a member.

For example, on Windows this could be the host’s Active Directory domain or NetBIOS domain name. For Linux this could be the domain of the host’s LDAP provider.

type: keyword

example: CONTOSO

extended

host.hostname

Hostname of the host.

It normally contains what the hostname command returns on the host machine.

type: keyword

core

host.id

Unique host id.

As hostname is not always unique, use values that are meaningful in your environment.

Example: The current usage of beat.name.

type: keyword

core

host.ip

Host ip addresses.

type: ip

Note: this field should contain an array of values.

core

host.mac

Host mac addresses.

type: keyword

Note: this field should contain an array of values.

core

host.name

Name of the host.

It can contain what hostname returns on Unix systems, the fully qualified domain name, or a name specified by the user. The sender decides which value to use.

type: keyword

core

host.type

Type of host.

For Cloud providers this can be the machine type like t2.medium. If vm, this could be the container, for example, or other information meaningful in your environment.

type: keyword

core

host.uptime

Seconds the host has been up.

type: long

example: 1325

extended

Field Reuseedit

Field sets that can be nested under Hostedit

Nested fields Description

host.geo.*

Fields describing a location.

host.os.*

OS fields contain information about the operating system.

host.user.*

Fields to describe the user relevant to the event.