ECS Field Reference
Source
ECS Version:

Source

Fields about the source side of a network connection, used with destination.

Fields

Field Summary

FieldTypeLevelDescription
source.addresskeywordExtendedSource network address.
source.as.numberlongExtendedUnique number allocated to the autonomous system.
source.as.organization.namekeywordExtendedOrganization name.
source.as.organization.name.textmatch_only_textExtendedOrganization name.
source.byteslongCoreBytes sent from the source to the destination.
source.domainkeywordCoreThe domain name of the source.
source.geo.city_namekeywordCoreCity name.
source.geo.continent_codekeywordCoreContinent code.
source.geo.continent_namekeywordCoreName of the continent.
source.geo.country_iso_codekeywordCoreCountry ISO code.
source.geo.country_namekeywordCoreCountry name.
source.geo.locationgeo_pointCoreLongitude and latitude.
source.geo.namekeywordExtendedUser-defined description of a location.
source.geo.postal_codekeywordCorePostal code.
source.geo.region_iso_codekeywordCoreRegion ISO code.
source.geo.region_namekeywordCoreRegion name.
source.geo.timezonekeywordCoreTime zone.
source.ipipCoreIP address of the source.
source.mackeywordCoreMAC address of the source.
source.nat.ipipExtendedSource NAT ip
source.nat.portlongExtendedSource NAT port
source.packetslongCorePackets sent from the source to the destination.
source.portlongCorePort of the source.
source.registered_domainkeywordExtendedThe highest registered source domain, stripped of the subdomain.
source.subdomainkeywordExtendedThe subdomain of the domain.
source.top_level_domainkeywordExtendedThe effective top level domain (com, org, net, co.uk).
source.user.domainkeywordExtendedName of the directory the user is a member of.
source.user.emailkeywordExtendedUser email address.
source.user.full_namekeywordExtendedUser's full name, if available.
source.user.full_name.textmatch_only_textExtendedUser's full name, if available.
source.user.group.domainkeywordExtendedName of the directory the group is a member of.
source.user.group.idkeywordExtendedUnique identifier for the group on the system/platform.
source.user.group.namekeywordExtendedName of the group.
source.user.hashkeywordExtendedUnique user hash to correlate information for a user in anonymized form.
source.user.idkeywordCoreUnique identifier of the user.
source.user.namekeywordCoreShort name or login of the user.
source.user.name.textmatch_only_textCoreShort name or login of the user.
source.user.roleskeywordExtendedArray of user roles at the time of the event.

Field Details

source.address

Type: keyword

Level: Extended

Description: Source network address.

Indexed: true

source.as.number

Type: long

Level: Extended

Description: Unique number allocated to the autonomous system.

Example: 15169

Indexed: true

source.as.organization.name

Type: keyword

Level: Extended

Description: Organization name.

Example: Google LLC

Indexed: true

source.as.organization.name.text

Type: match_only_text

Level: Extended

Description: Organization name.

Example: Google LLC

Indexed: true

source.bytes

Type: long

Level: Core

Description: Bytes sent from the source to the destination.

Example: 184

Indexed: true

source.domain

Type: keyword

Level: Core

Description: The domain name of the source.

Example: foo.example.com

Indexed: true

source.geo.city_name

Type: keyword

Level: Core

Description: City name.

Example: Montreal

Indexed: true

source.geo.continent_code

Type: keyword

Level: Core

Description: Continent code.

Example: NA

Indexed: true

source.geo.continent_name

Type: keyword

Level: Core

Description: Name of the continent.

Example: North America

Indexed: true

source.geo.country_iso_code

Type: keyword

Level: Core

Description: Country ISO code.

Example: CA

Indexed: true

source.geo.country_name

Type: keyword

Level: Core

Description: Country name.

Example: Canada

Indexed: true

source.geo.location

Type: geo_point

Level: Core

Description: Longitude and latitude.

Example: { "lon": -73.614830, "lat": 45.505918 }

Indexed: true

source.geo.name

Type: keyword

Level: Extended

Description: User-defined description of a location.

Example: boston-dc

Indexed: true

source.geo.postal_code

Type: keyword

Level: Core

Description: Postal code.

Example: 94040

Indexed: true

source.geo.region_iso_code

Type: keyword

Level: Core

Description: Region ISO code.

Example: CA-QC

Indexed: true

source.geo.region_name

Type: keyword

Level: Core

Description: Region name.

Example: Quebec

Indexed: true

source.geo.timezone

Type: keyword

Level: Core

Description: Time zone.

Example: America/Argentina/Buenos_Aires

Indexed: true

source.ip

Type: ip

Level: Core

Description: IP address of the source.

Indexed: true

source.mac

Type: keyword

Level: Core

Description: MAC address of the source.

Example: 00-00-5E-00-53-23

Indexed: true

source.nat.ip

Type: ip

Level: Extended

Description: Source NAT ip

Indexed: true

source.nat.port

Type: long

Level: Extended

Description: Source NAT port

Indexed: true

source.packets

Type: long

Level: Core

Description: Packets sent from the source to the destination.

Example: 12

Indexed: true

source.port

Type: long

Level: Core

Description: Port of the source.

Indexed: true

source.registered_domain

Type: keyword

Level: Extended

Description: The highest registered source domain, stripped of the subdomain.

Example: example.com

Indexed: true

source.subdomain

Type: keyword

Level: Extended

Description: The subdomain of the domain.

Example: east

Indexed: true

source.top_level_domain

Type: keyword

Level: Extended

Description: The effective top level domain (com, org, net, co.uk).

Example: co.uk

Indexed: true

source.user.domain

Type: keyword

Level: Extended

Description: Name of the directory the user is a member of.

Indexed: true

source.user.email

Type: keyword

Level: Extended

Description: User email address.

Indexed: true

source.user.full_name

Type: keyword

Level: Extended

Description: User's full name, if available.

Example: Albert Einstein

Indexed: true

source.user.full_name.text

Type: match_only_text

Level: Extended

Description: User's full name, if available.

Example: Albert Einstein

Indexed: true

source.user.group.domain

Type: keyword

Level: Extended

Description: Name of the directory the group is a member of.

Indexed: true

source.user.group.id

Type: keyword

Level: Extended

Description: Unique identifier for the group on the system/platform.

Indexed: true

source.user.group.name

Type: keyword

Level: Extended

Description: Name of the group.

Indexed: true

source.user.hash

Type: keyword

Level: Extended

Description: Unique user hash to correlate information for a user in anonymized form.

Indexed: true

source.user.id

Type: keyword

Level: Core

Description: Unique identifier of the user.

Example: S-1-5-21-202424912787-2692429404-2351956786-1000

Indexed: true

source.user.name

Type: keyword

Level: Core

Description: Short name or login of the user.

Example: a.einstein

Indexed: true

source.user.name.text

Type: match_only_text

Level: Core

Description: Short name or login of the user.

Example: a.einstein

Indexed: true

source.user.roles

Type: keyword

Level: Extended

Description: Array of user roles at the time of the event.

Example: ["kibana_admin", "reporting_user"]

Normalization: array

Indexed: true