Log file content fields

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Contains log file lines.

source

type: keyword

required: True

The file from which the line was read. This field contains the absolute path to the file. For example: /var/log/system.log.

offset

type: long

required: False

The file offset the reported line starts at.

message

type: text

required: True

The content of the line read from the log file.

stream

type: keyword

required: False

Log stream when reading container logs, can be stdout or stderr

prospector.type

[6.3] Deprecated in 6.3.

required: True

The input type from which the event was generated. This field is set to the value specified for the type option in the input section of the Filebeat config file. (DEPRECATED: see input.type)

input.type

required: True

The input type from which the event was generated. This field is set to the value specified for the type option in the input section of the Filebeat config file.

read_timestamp

In case the ingest pipeline parses the timestamp from the log contents, it stores the original @timestamp (representing the time when the log line was read) in this field.

fileset.module

The Filebeat module that generated this event.

fileset.name

The Filebeat fileset that generated this event.

syslog.facility

type: long

required: False

The facility extracted from the priority.

syslog.priority

type: long

required: False

The priority of the syslog event.

syslog.severity_label

type: keyword

required: False

The human readable severity.

syslog.facility_label

type: keyword

required: False

The human readable facility.

process.program

type: keyword

required: False

The name of the program.

process.pid

type: long

required: False

The pid of the process.

event.severity

type: long

required: False

The severity of the event.

service.name

type: keyword

Service name.

log.level

type: keyword

Logging level.

log.flags

This field contains the flags of the event.

event.created

type: date

event.created contains the date on which the event was created. In case of log events this is when the log line was read by Filebeat. In comparison @timestamp is the processed timestamp from the log line. If both are identical only @timestamp should be used.

event.type

type: keyword

A type given to this kind of event which can be used for grouping.

http.response.status_code

type: long

example: 404

HTTP response status_code.

http.response.elapsed_time

type: long

Elapsed time between request and response in milli seconds.

http.response.content_length

type: long

Content length of the HTTP response body.

http.request.method

type: keyword

Request method.

source_ecs.ip

type: ip

IP address of the source. Can be one or multiple IPv4 or IPv6 addresses.

source_ecs.port

type: long

Port of the source.

geo fields

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Geolocation for source.

source_ecs.geo.continent_name

type: keyword

Name of the continent.

source_ecs.geo.country_iso_code

type: keyword

Country ISO code.

source_ecs.geo.location

type: geo_point

Longitude and latitude.

source_ecs.geo.region_name

type: keyword

Region name.

source_ecs.geo.city_name

type: keyword

City name.

source_ecs.geo.region_iso_code

type: keyword

Region ISO code.

destination.ip

type: ip

IP address of the destination. Can be one or multiple IPv4 or IPv6 addresses.

destination.port

type: long

Port of the destination.

geo fields

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Geolocation for destination.

destination.geo.continent_name

type: keyword

Name of the continent.

destination.geo.country_iso_code

type: keyword

Country ISO code.

destination.geo.location

type: geo_point

Longitude and latitude.

destination.geo.region_name

type: keyword

Region name.

destination.geo.city_name

type: keyword

City name.

destination.geo.region_iso_code

type: keyword

Region ISO code.

user_agent fields

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The user_agent fields normally come from a browser request. They often show up in web service logs coming from the parsed user agent string.

user_agent.original

type: keyword

Unparsed version of the user_agent.

user_agent.device

type: keyword

Name of the physical device.

user_agent.version

type: keyword

Version of the physical device.

user_agent.major

type: long

Major version of the user agent.

user_agent.minor

type: long

Minor version of the user agent.

user_agent.patch

type: keyword

Patch version of the user agent.

user_agent.name

type: keyword

example: Chrome

Name of the user agent.

user_agent.os.name

type: keyword

Name of the operating system.

user_agent.os.full_name

type: keyword

Full name of the operating system (includes version).

user_agent.os.version

type: keyword

Version of the operating system.

user_agent.os.major

type: long

Major version of the operating system.

user_agent.os.minor

type: long

Minor version of the operating system.

url fields

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URL fields provide a complete URL, with scheme, host, and path. The URL object can be reused in other prefixes, such as host.url.* for example. Keep the structure consistent whenever you use URL fields.

url.hostname

type: keyword

Hostname of the request, such as "elastic.co". In some cases a URL may refer to an IP and/or port directly, without a domain name. In this case, the IP address would go to the hostname field.

file fields

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File fields provide details about each file.

file.path

type: keyword

Path to the file.

file.size

type: long

File size in bytes (field is only added when type is file).