What is an Elastic integration?

This integration is powered by Elastic Agent. Elastic Agent is a single, unified way to add monitoring for logs, metrics, and other types of data to a host. It can also protect hosts from security threats, query data from operating systems, forward data from remote services or hardware, and more. Refer to our documentation for a detailed comparison between Beats and Elastic Agent.

Prefer to use Beats for this use case? See Filebeat modules for logs or Metricbeat modules for metrics.

This integration is used to fetch logs and metrics from AWS Network Firewall—a network protections service for Amazon VPCs.

Use the AWS Network Firewall integration to monitor the traffic entering and passing through your AWS Network Firewall. Then visualize that data in Kibana, create alerts to notify you if something goes wrong, and reference logs and metrics when troubleshooting an issue.

For example, you could use this integration to view and track when firewall rules are triggered, the top firewall source and destination countries, and the total number of events by firewall.

Data streams

The AWS Network Firewall integration collects two types of data: logs and metrics.

Logs help you keep a record of events happening in AWS Network Firewall. Logs collected by the AWS Network Firewall integration include the observer name, source and destination IP, port, country, event type, and more. See more details in the Logs reference.

Metrics give you insight into the state of Network Firewall. Metrics collected by the AWS Network Firewall integration include the number of packets received, passed, and blocked by the AWS Network Firewall, and more. See more details in the Metrics reference.

Requirements

You need Elasticsearch for storing and searching your data and Kibana for visualizing and managing it. You can use our hosted Elasticsearch Service on Elastic Cloud, which is recommended, or self-manage the Elastic Stack on your own hardware.

Before using any AWS integration you will need:

  • AWS Credentials to connect with your AWS account.
  • AWS Permissions to make sure the user you're using to connect has permission to share the relevant data.

For more details about these requirements, see the AWS integration documentation.

Setup

Use this integration if you only need to collect data from the AWS Network Firewall service.

If you want to collect data from two or more AWS services, consider using the AWS integration. When you configure the AWS integration, you can collect data from as many AWS services as you'd like.

For step-by-step instructions on how to set up an integration, see the Getting started guide.

Logs reference

The firewall_logs dataset collects AWS Network Firewall logs. Users can use these logs to monitor network activity.

An example event for firewall looks as following:

{
    "destination": {
        "geo": {
            "continent_name": "North America",
            "region_iso_code": "US-ID",
            "city_name": "Salmon",
            "country_iso_code": "US",
            "country_name": "United States",
            "region_name": "Idaho",
            "location": {
                "lon": -113.8784,
                "lat": 45.1571
            }
        },
        "as": {
            "number": 209,
            "organization": {
                "name": "CenturyLink Communications, LLC"
            }
        },
        "address": "216.160.83.57",
        "port": 80,
        "ip": "216.160.83.57",
        "domain": "216.160.83.57"
    },
    "rule": {
        "name": "Deny all",
        "id": "1024"
    },
    "source": {
        "geo": {
            "continent_name": "Europe",
            "region_iso_code": "GB-OXF",
            "city_name": "Abingdon",
            "country_iso_code": "GB",
            "country_name": "United Kingdom",
            "region_name": "Oxfordshire",
            "location": {
                "lon": -1.3614,
                "lat": 51.7095
            }
        },
        "as": {
            "number": 20712,
            "organization": {
                "name": "Andrews \u0026 Arnold Ltd"
            }
        },
        "address": "81.2.69.143",
        "port": 51254,
        "ip": "81.2.69.143"
    },
    "message": "",
    "url": {
        "path": "/",
        "original": "/"
    },
    "tags": [
        "preserve_original_event",
        "forwarded",
        "aws-firewall-logs"
    ],
    "network": {
        "protocol": "http",
        "community_id": "1:+Arv0tAf8Q00mJ6C2ho2P6pp0Io=",
        "transport": "tcp",
        "type": "ipv4"
    },
    "cloud": {
        "availability_zone": "us-east-2a",
        "provider": "aws",
        "region": "us-east-2"
    },
    "observer": {
        "name": "AWSNetworkFirewall",
        "product": "Network Firewall",
        "type": "firewall",
        "vendor": "AWS"
    },
    "@timestamp": "2021-11-18T17:27:38.039Z",
    "ecs": {
        "version": "8.0.0"
    },
    "related": {
        "ip": [
            "81.2.69.143",
            "216.160.83.57"
        ]
    },
    "data_stream": {
        "namespace": "default",
        "type": "logs",
        "dataset": "aws.firewall_logs"
    },
    "http": {
        "request": {
            "method": "GET"
        },
        "version": "1.1"
    },
    "event": {
        "severity": 3,
        "ingested": "2021-11-18T17:14:15.243250800Z",
        "original": "{\"firewall_name\":\"AWSNetworkFirewall\",\"availability_zone\":\"us-east-2a\",\"event_timestamp\":\"1636381332\",\"event\":{\"timestamp\":\"2021-11-08T14:22:12.637611+0000\",\"flow_id\":706471429191862,\"event_type\":\"alert\",\"src_ip\":\"81.2.69.143\",\"src_port\":51254,\"dest_ip\":\"216.160.83.57\",\"dest_port\":80,\"proto\":\"TCP\",\"alert\":{\"action\":\"blocked\",\"signature_id\":1000003,\"rev\":1,\"signature\":\"Deny all other TCP traffic\",\"category\":\"\",\"severity\":3},\"http\":{\"hostname\":\"216.160.83.57\",\"url\":\"/\",\"http_user_agent\":\"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36\",\"http_method\":\"GET\",\"protocol\":\"HTTP/1.1\",\"length\":0},\"app_proto\":\"http\"}}",
        "category": [
            "network"
        ],
        "type": [
            "connection",
            "denied"
        ],
        "kind": "alert"
    },
    "aws": {
        "firewall": {
            "flow": {
                "id": "706471429191862"
            }
        }
    },
    "user_agent": {
        "name": "Chrome",
        "original": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36",
        "os": {
            "name": "Mac OS X",
            "version": "10.15.7",
            "full": "Mac OS X 10.15.7"
        },
        "device": {
            "name": "Mac"
        },
        "version": "95.0.4638.69"
    }
}

Exported fields

FieldDescriptionType
@timestamp
Event timestamp.
date
aws.firewall.flow.age
The age of the flow in seconds.
long
aws.firewall.flow.bytes
The number of bytes transferred in this flow.
long
aws.firewall.flow.end
The date/time when this flow ended.
date
aws.firewall.flow.id
The ID of the flow.
keyword
aws.firewall.flow.max_ttl
The maximum TTL for the flow.
short
aws.firewall.flow.min_ttl
The minimum TTL for the flow.
short
aws.firewall.flow.pkts
The number of packets sent in this flow.
long
aws.firewall.flow.start
The date/time when this flow started.
date
aws.firewall.tcp_flags
The bitmask value for the following TCP flags: 2=SYN,18=SYN-ACK,1=FIN,4=RST
keyword
aws.firewall.tcp_flags_array
List of TCP flags: 'fin, syn, rst, psh, ack, urg'
keyword
cloud.account.id
The cloud account or organization id used to identify different entities in a multi-tenant environment. Examples: AWS account id, Google Cloud ORG Id, or other unique identifier.
keyword
cloud.availability_zone
Availability zone in which this host, resource, or service is located.
keyword
cloud.image.id
Image ID for the cloud instance.
keyword
cloud.instance.id
Instance ID of the host machine.
keyword
cloud.instance.name
Instance name of the host machine.
keyword
cloud.machine.type
Machine type of the host machine.
keyword
cloud.project.id
The cloud project identifier. Examples: Google Cloud Project id, Azure Project id.
keyword
cloud.provider
Name of the cloud provider. Example values are aws, azure, gcp, or digitalocean.
keyword
cloud.region
Region in which this host, resource, or service is located.
keyword
container.id
Unique container id.
keyword
container.image.name
Name of the image the container was built on.
keyword
container.labels
Image labels.
object
container.name
Container name.
keyword
data_stream.dataset
Data stream dataset.
constant_keyword
data_stream.namespace
Data stream namespace.
constant_keyword
data_stream.type
Data stream type.
constant_keyword
destination.address
Some event destination addresses are defined ambiguously. The event will sometimes list an IP, a domain or a unix socket. You should always store the raw address in the .address field. Then it should be duplicated to .ip or .domain, depending on which one it is.
keyword
destination.as.number
Unique number allocated to the autonomous system. The autonomous system number (ASN) uniquely identifies each network on the Internet.
long
destination.as.organization.name
Organization name.
keyword
destination.as.organization.name.text
Multi-field of destination.as.organization.name.
match_only_text
destination.bytes
Bytes sent from the destination to the source.
long
destination.domain
The domain name of the destination system. This value may be a host name, a fully qualified domain name, or another host naming format. The value may derive from the original event or be added from enrichment.
keyword
destination.geo.city_name
City name.
keyword
destination.geo.continent_name
Name of the continent.
keyword
destination.geo.country_iso_code
Country ISO code.
keyword
destination.geo.country_name
Country name.
keyword
destination.geo.location
Longitude and latitude.
geo_point
destination.geo.name
User-defined description of a location, at the level of granularity they care about. Could be the name of their data centers, the floor number, if this describes a local physical entity, city names. Not typically used in automated geolocation.
keyword
destination.geo.region_iso_code
Region ISO code.
keyword
destination.geo.region_name
Region name.
keyword
destination.ip
IP address of the destination (IPv4 or IPv6).
ip
destination.port
Port of the destination.
long
ecs.version
ECS version this event conforms to. ecs.version is a required field and must exist in all events. When querying across multiple indices -- which may conform to slightly different ECS versions -- this field lets integrations adjust to the schema version of the events.
keyword
error.message
Error message.
match_only_text
event.action
The action captured by the event. This describes the information in the event. It is more specific than event.category. Examples are group-add, process-started, file-created. The value is normally defined by the implementer.
keyword
event.category
This is one of four ECS Categorization Fields, and indicates the second level in the ECS category hierarchy. event.category represents the "big buckets" of ECS categories. For example, filtering on event.category:process yields all events relating to process activity. This field is closely related to event.type, which is used as a subcategory. This field is an array. This will allow proper categorization of some events that fall in multiple categories.
keyword
event.created
event.created contains the date/time when the event was first read by an agent, or by your pipeline. This field is distinct from @timestamp in that @timestamp typically contain the time extracted from the original event. In most situations, these two timestamps will be slightly different. The difference can be used to calculate the delay between your source generating an event, and the time when your agent first processed it. This can be used to monitor your agent's or pipeline's ability to keep up with your event source. In case the two timestamps are identical, @timestamp should be used.
date
event.dataset
Event dataset
constant_keyword
event.ingested
Timestamp when an event arrived in the central data store. This is different from @timestamp, which is when the event originally occurred. It's also different from event.created, which is meant to capture the first time an agent saw the event. In normal conditions, assuming no tampering, the timestamps should chronologically look like this: @timestamp < event.created < event.ingested.
date
event.kind
This is one of four ECS Categorization Fields, and indicates the highest level in the ECS category hierarchy. event.kind gives high-level information about what type of information the event contains, without being specific to the contents of the event. For example, values of this field distinguish alert events from metric events. The value of this field can be used to inform how these kinds of events should be handled. They may warrant different retention, different access control, it may also help understand whether the data coming in at a regular interval or not.
keyword
event.module
Event module
constant_keyword
event.original
Raw text message of entire event. Used to demonstrate log integrity or where the full log message (before splitting it up in multiple parts) may be required, e.g. for reindex. This field is not indexed and doc_values are disabled. It cannot be searched, but it can be retrieved from _source. If users wish to override this and index this field, please see Field data types in the Elasticsearch Reference.
keyword
event.provider
Source of the event. Event transports such as Syslog or the Windows Event Log typically mention the source of an event. It can be the name of the software that generated the event (e.g. Sysmon, httpd), or of a subsystem of the operating system (kernel, Microsoft-Windows-Security-Auditing).
keyword
event.type
This is one of four ECS Categorization Fields, and indicates the third level in the ECS category hierarchy. event.type represents a categorization "sub-bucket" that, when used along with the event.category field values, enables filtering events down to a level appropriate for single visualization. This field is an array. This will allow proper categorization of some events that fall in multiple event types.
keyword
group.id
Unique identifier for the group on the system/platform.
keyword
group.name
Name of the group.
keyword
host.architecture
Operating system architecture.
keyword
host.containerized
If the host is a container.
boolean
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.
keyword
host.hostname
Hostname of the host. It normally contains what the hostname command returns on the host machine.
keyword
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.
keyword
host.ip
Host ip addresses.
ip
host.mac
Host MAC addresses. The notation format from RFC 7042 is suggested: Each octet (that is, 8-bit byte) is represented by two [uppercase] hexadecimal digits giving the value of the octet as an unsigned integer. Successive octets are separated by a hyphen.
keyword
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.
keyword
host.os.build
OS build information.
keyword
host.os.codename
OS codename, if any.
keyword
host.os.family
OS family (such as redhat, debian, freebsd, windows).
keyword
host.os.kernel
Operating system kernel version as a raw string.
keyword
host.os.name
Operating system name, without the version.
keyword
host.os.name.text
Multi-field of host.os.name.
match_only_text
host.os.platform
Operating system platform (such centos, ubuntu, windows).
keyword
host.os.version
Operating system version as a raw string.
keyword
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.
keyword
http.request.method
HTTP request method. The value should retain its casing from the original event. For example, GET, get, and GeT are all considered valid values for this field.
keyword
http.version
HTTP version.
keyword
message
For log events the message field contains the log message, optimized for viewing in a log viewer. For structured logs without an original message field, other fields can be concatenated to form a human-readable summary of the event. If multiple messages exist, they can be combined into one message.
match_only_text
network.community_id
A hash of source and destination IPs and ports, as well as the protocol used in a communication. This is a tool-agnostic standard to identify flows. Learn more at https://github.com/corelight/community-id-spec.
keyword
network.protocol
In the OSI Model this would be the Application Layer protocol. For example, http, dns, or ssh. The field value must be normalized to lowercase for querying.
keyword
network.transport
Same as network.iana_number, but instead using the Keyword name of the transport layer (udp, tcp, ipv6-icmp, etc.) The field value must be normalized to lowercase for querying.
keyword
network.type
In the OSI Model this would be the Network Layer. ipv4, ipv6, ipsec, pim, etc The field value must be normalized to lowercase for querying.
keyword
observer.name
Custom name of the observer. This is a name that can be given to an observer. This can be helpful for example if multiple firewalls of the same model are used in an organization. If no custom name is needed, the field can be left empty.
keyword
observer.product
The product name of the observer.
keyword
observer.type
The type of the observer the data is coming from. There is no predefined list of observer types. Some examples are forwarder, firewall, ids, ips, proxy, poller, sensor, APM server.
keyword
observer.vendor
Vendor name of the observer.
keyword
related.hosts
All hostnames or other host identifiers seen on your event. Example identifiers include FQDNs, domain names, workstation names, or aliases.
keyword
related.ip
All of the IPs seen on your event.
ip
rule.category
A categorization value keyword used by the entity using the rule for detection of this event.
keyword
rule.id
A rule ID that is unique within the scope of an agent, observer, or other entity using the rule for detection of this event.
keyword
rule.name
The name of the rule or signature generating the event.
keyword
source.address
Some event source addresses are defined ambiguously. The event will sometimes list an IP, a domain or a unix socket. You should always store the raw address in the .address field. Then it should be duplicated to .ip or .domain, depending on which one it is.
keyword
source.as.number
Unique number allocated to the autonomous system. The autonomous system number (ASN) uniquely identifies each network on the Internet.
long
source.as.organization.name
Organization name.
keyword
source.as.organization.name.text
Multi-field of source.as.organization.name.
match_only_text
source.geo.city_name
City name.
keyword
source.geo.continent_name
Name of the continent.
keyword
source.geo.country_iso_code
Country ISO code.
keyword
source.geo.country_name
Country name.
keyword
source.geo.location
Longitude and latitude.
geo_point
source.geo.region_iso_code
Region ISO code.
keyword
source.geo.region_name
Region name.
keyword
source.ip
IP address of the source (IPv4 or IPv6).
ip
source.port
Port of the source.
long
tags
List of keywords used to tag each event.
keyword
url.domain
Domain of the url, such as "www.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 domain field. If the URL contains a literal IPv6 address enclosed by [ and ] (IETF RFC 2732), the [ and ] characters should also be captured in the domain field.
keyword
url.original
Unmodified original url as seen in the event source. Note that in network monitoring, the observed URL may be a full URL, whereas in access logs, the URL is often just represented as a path. This field is meant to represent the URL as it was observed, complete or not.
wildcard
url.original.text
Multi-field of url.original.
match_only_text
url.path
Path of the request, such as "/search".
wildcard
url.scheme
Scheme of the request, such as "https". Note: The : is not part of the scheme.
keyword
user.changes.name
Short name or login of the user.
keyword
user.changes.name.text
Multi-field of user.changes.name.
match_only_text
user.id
Unique identifier of the user.
keyword
user.name
Short name or login of the user.
keyword
user.name.text
Multi-field of user.name.
match_only_text
user.target.id
Unique identifier of the user.
keyword
user.target.name
Short name or login of the user.
keyword
user.target.name.text
Multi-field of user.target.name.
match_only_text
user_agent.device.name
Name of the device.
keyword
user_agent.name
Name of the user agent.
keyword
user_agent.original
Unparsed user_agent string.
keyword
user_agent.original.text
Multi-field of user_agent.original.
match_only_text
user_agent.os.full
Operating system name, including the version or code name.
keyword
user_agent.os.full.text
Multi-field of user_agent.os.full.
match_only_text
user_agent.os.name
Operating system name, without the version.
keyword
user_agent.os.name.text
Multi-field of user_agent.os.name.
match_only_text
user_agent.os.version
Operating system version as a raw string.
keyword
user_agent.version
Version of the user agent.
keyword

Metrics reference

The firewall_metrics dataset collects AWS Network Firewall metrics.

An example event for firewall looks as following:

{
    "@timestamp": "2020-05-28T17:58:27.154Z",
    "service": {
        "type": "aws"
    },
    "ecs": {
        "version": "8.0.0"
    },
    "aws": {
        "networkfirewall": {
            "metrics": {
                "PassedPackets": {
                    "sum": 0
                },
                "DroppedPackets": {
                    "sum": 4
                },
                "ReceivedPackets": {
                    "sum": 4
                }
            }
        },
        "cloudwatch": {
            "namespace": "AWS/NetworkFirewall"
        },
        "dimensions": {
            "FirewallName": "AWSNetworkFirewall",
            "AvailabilityZone": "us-east-2a",
            "Engine": "Stateful"
        }
    },
    "event": {
        "duration": 8925713800,
        "agent_id_status": "verified",
        "ingested": "2021-11-18T17:18:46Z",
        "module": "aws",
        "dataset": "aws.firewall_metrics"
    },
    "metricset": {
        "period": 60000,
        "name": "cloudwatch"
    },
    "cloud": {
        "provider": "aws",
        "region": "us-east-2",
        "account": {
            "name": "elastic-beats",
            "id": "428152502467"
        }
    },
    "data_stream": {
        "namespace": "default",
        "type": "metrics",
        "dataset": "aws.firewall_metrics"
    },
    "agent": {
        "hostname": "docker-fleet-agent",
        "name": "docker-fleet-agent",
        "id": "88c94c53-cbfe-4657-9a08-527b09d94cee",
        "type": "metricbeat",
        "ephemeral_id": "d3f31d10-7f16-4834-ae22-0df946c61f92",
        "version": "7.15.0"
    }
}

Exported fields

FieldDescriptionType
@timestamp
Event timestamp.
date
aws.*.metrics.*.*
Metrics that returned from Cloudwatch API query.
object
aws.cloudwatch.namespace
The namespace specified when query cloudwatch api.
keyword
aws.dimensions.*
Metric dimensions.
object
aws.dimensions.AvailabilityZone
Availability Zone in the Region where the Network Firewall firewall is active.
keyword
aws.dimensions.CustomAction
Dimension for a publish metrics custom action that you defined. You can define this for a rule action in a stateless rule group or for a stateless default action in a firewall policy.
keyword
aws.dimensions.Engine
Rules engine that processed the packet. The value for this is either Stateful or Stateless.
keyword
aws.dimensions.FirewallName
Name that you specified for the Network Firewall firewall.
keyword
aws.networkfirewall.metrics.DroppedPackets.sum
The number of packets dropped by the Network Firewall.
long
aws.networkfirewall.metrics.Packets.sum
Number of packets inspected for a firewall policy or stateless rulegroup for which a custom action is defined. This metric is only used for the dimension CustomAction.
long
aws.networkfirewall.metrics.PassedPackets.sum
The number of packets passed by the Network Firewall.
long
aws.networkfirewall.metrics.ReceivedPackets.sum
The number of packets received by the Network Firewall.
long
aws.s3.bucket.name
Name of a S3 bucket.
keyword
aws.tags.*
Tag key value pairs from aws resources.
object
cloud
Fields related to the cloud or infrastructure the events are coming from.
group
cloud.account.id
The cloud account or organization id used to identify different entities in a multi-tenant environment. Examples: AWS account id, Google Cloud ORG Id, or other unique identifier.
keyword
cloud.account.name
The cloud account name or alias used to identify different entities in a multi-tenant environment. Examples: AWS account name, Google Cloud ORG display name.
keyword
cloud.availability_zone
Availability zone in which this host, resource, or service is located.
keyword
cloud.image.id
Image ID for the cloud instance.
keyword
cloud.instance.id
Instance ID of the host machine.
keyword
cloud.instance.name
Instance name of the host machine.
keyword
cloud.machine.type
Machine type of the host machine.
keyword
cloud.project.id
The cloud project identifier. Examples: Google Cloud Project id, Azure Project id.
keyword
cloud.provider
Name of the cloud provider. Example values are aws, azure, gcp, or digitalocean.
keyword
cloud.region
Region in which this host, resource, or service is located.
keyword
container.id
Unique container id.
keyword
container.image.name
Name of the image the container was built on.
keyword
container.labels
Image labels.
object
container.name
Container name.
keyword
data_stream.dataset
Data stream dataset.
constant_keyword
data_stream.namespace
Data stream namespace.
constant_keyword
data_stream.type
Data stream type.
constant_keyword
ecs.version
ECS version this event conforms to. ecs.version is a required field and must exist in all events. When querying across multiple indices -- which may conform to slightly different ECS versions -- this field lets integrations adjust to the schema version of the events.
keyword
error
These fields can represent errors of any kind. Use them for errors that happen while fetching events or in cases where the event itself contains an error.
group
error.message
Error message.
match_only_text
event.dataset
Event dataset
constant_keyword
event.module
Event module
constant_keyword
host.architecture
Operating system architecture.
keyword
host.containerized
If the host is a container.
boolean
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.
keyword
host.hostname
Hostname of the host. It normally contains what the hostname command returns on the host machine.
keyword
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.
keyword
host.ip
Host ip addresses.
ip
host.mac
Host MAC addresses. The notation format from RFC 7042 is suggested: Each octet (that is, 8-bit byte) is represented by two [uppercase] hexadecimal digits giving the value of the octet as an unsigned integer. Successive octets are separated by a hyphen.
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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.
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host.os.build
OS build information.
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host.os.codename
OS codename, if any.
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host.os.family
OS family (such as redhat, debian, freebsd, windows).
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host.os.kernel
Operating system kernel version as a raw string.
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host.os.name
Operating system name, without the version.
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host.os.name.text
Multi-field of host.os.name.
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host.os.platform
Operating system platform (such centos, ubuntu, windows).
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host.os.version
Operating system version as a raw string.
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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.
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service.type
The type of the service data is collected from. The type can be used to group and correlate logs and metrics from one service type. Example: If logs or metrics are collected from Elasticsearch, service.type would be elasticsearch.
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