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CHANGELOG

All notable changes to this project will be documented in this file based on the Keep a Changelog Standard. This project adheres to Semantic Versioning.

8.11.0

Schema Changes

Bugfixes

  • Remove expected_values from threat.*.indicator.name fields. #2281

Tooling and Artifact Changes

Bugfixes

  • Respect reusable.top_level in Beats generator #2278

8.10.0

Schema Changes

Added

  • Added container.security_context.privileged to indicated whether a container was started in privileged mode. #2219, #2225, #2246
  • Added process.thread.capabilities.permitted to contain the current thread's possible capabilities. #2245
  • Added process.thread.capabilities.effective to contain the current thread's effective capabilities. #2245

Improvements

  • Permit ignore_above if explicitly set on a flattened field. #2248

Tooling and Artifact Changes

Improvements

  • Improved documentation formatting to better follow the contributing guide. #2226
  • Bump gitpython dependency from 3.1.30 to 3.1.35 for security fixes. #2251, #2264, #2265

8.9.0

Schema Changes

Bugfixes

Added

  • Added process.vpid for namespaced process ids. #2211

Improvements

Deprecated

  • Removed faas.trigger: nested since we only have one trigger. #2194

8.8.0

Schema Changes

Added

  • Add event.type: access as an allowed value for event.category: file. #2174
  • Add orchestrator.resource.annotation and orchestrator.resource.label. #2181
  • Add event.kind: asset as a beta category. #2191

Tooling and Artifact Changes

Added

  • Add parameters property for field definitions, to provide any mapping parameter. #2084

8.7.0

Schema Changes

Bugfixes

  • remove duplicated client.domain definition #2120

Added

  • adding name field to threat.indicator #2121
  • adding api option to event.category #2147
  • adding library option to event.category #2154

Improvements

  • description for host.name definition updated to encourage use of FDQN #2122

Tooling and Artifact Changes

Improvements

  • Updated usage docs to include threat.indicator.url.domain and changed indicator.marking.tlp and indicator.enrichments.marking.tlp from "WHITE" to "CLEAR" to align with TLP 2.0. #2124
  • Bump gitpython from 3.1.27 to 3.1.30 in /scripts. #2139

8.6.1

Schema Changes

Bugfixes

  • Fixing tlp_version and tlp field for threat. #2156

8.6.0

Schema Changes

Added

  • Adding vulnerability option for event.category. #2029
  • Added device.* field set as beta. #2030
  • Added tlp.version to threat #2074
  • Added fields for executable object format metadata for ELF, Mach-O and PE #2083

Improvements

  • Added CLEAR and AMBER+STRICT as valid values for threat.indicator.marking.tlp and enrichments.indicator.marking.tlp to accept new TLP 2.0 markings #2022, #2074

8.5.2

Schema Changes

Bugfixes

  • Fixes invalid number type on 4 process.io subfields. #2105

8.5.1

Tooling and Artifact Changes

Bugfixes

  • Fix type of normalize in process.io.bytes_skipped. #2094

8.5.0

Schema Changes

Added

  • Adding risk.* fields as experimental. #1994, #2010
  • Adding process.io.* as beta fields. #1956, #2031
  • Adding process.tty.rows and process.tty.columns as beta fields. #2031
  • Changed process.env_vars field type to be an array of keywords. #2038
  • process.attested_user and process.attested_groups as beta fields. #2050
  • Added risk.* fieldset to beta. #2051, #2058
  • Moved Linux event model fields to GA. #2082

Improvements

  • Advances threat.enrichments.indicator to GA. #1928
  • Added ios and android as valid values for os.type #1999

Tooling and Artifact Changes

Bugfixes

  • Added Deprecation Warning for misspell task #1993
  • Fix typo in client schema #2014

8.4.0

Schema Changes

Added

  • Initial set of expected_values. #1962
  • Adding service.node.roles. #1981

Tooling and Artifact Changes

Added

  • Introduce expected_values attribute. #1952

Improvements

  • Additional type annotations. #1950

8.3.1

Schema Changes

Deprecated

  • Deprecate service.node.role in favor of upcoming service.node.roles. #1976

8.3.0

Schema Changes

Added

  • Added pattern attribute to .mac fields. #1871
  • Add orchestrator.cluster.id #1875
  • Add orchestrator.resource.id #1878
  • Add orchestrator.resource.parent.type #1889
  • Add orchestrator.resource.ip #1889
  • Add container.image.hash.all #1889
  • Add service.node.role #1916
  • Advanced container.* metric fields to GA. #1927

8.2.1

Schema Changes

Bugfixes

  • Adding missing process fields for documentation. #1906

Tooling and Artifact Changes

Improvements

  • Add type hints to schema modules. #1771
  • Support docs_only param to subset defs. #1909

8.2.0

Schema Changes

Added

  • Add beta container.* metric fields. #1789
  • Add six new syslog fields to log.syslog.*. #1793
  • Added faas.id, faas.name and faas.version fields as beta. #1796
  • Added linux event model beta fields and reuses to support RFC 0030. #1842, #1847, #1884
  • Added threat.feed.dashboard_id, threat.feed.description, threat.feed.name, threat.feed.reference fields. #1844

Improvements

  • email.* field set now GA. #1794, #1841

Tooling and Artifact Changes

Added

  • Adding optional field attribute, pattern. #1834
  • Added support for re-using a fieldset as an array. #1838
  • Added --force-docs option to generator. #1879

Improvements

  • Update refs from master to main in USAGE.md etc #1658
  • Clean up trailing spaces and additional newlines in schemas #1667
  • Use higher compression as default in composable index template settings. #1712

8.1.0

Schema Changes

Added

  • Added two new fields (sha384,tlsh) to hash schema and one field to pe schema (pehash). #1678
  • Added email.* beta field set. ##1688, #1705

Removed

  • Removing process.target.* reuses from experimental schema. #1666
  • Removing RFC 0014 pe.* fields from experimental schema. #1670

Tooling and Artifact Changes

Bugfixes

  • Fix invalid documentation link generation in component templates _meta. #1728

Improvements

  • Update refs from master to main in USAGE.md etc #1658
  • Clean up trailing spaces and additional newlines in schemas #1667
  • Use higher compression as default in composable index template settings. #1712
  • Bump dependencies. #1782

8.0.1

Tooling and Artifact Changes

Bugfixes

  • Pin markupsafe==2.0.1 to resolve ImportError exception. #1804

8.0.0

Schema Changes

Breaking changes

  • Remove host.user.* field reuse. #1439
  • Remove deprecation notice on http.request.method. #1443
  • Migrate log.origin.file.line from integer to long. #1533
  • Remove log.original field. #1580
  • Remove process.ppid field. #1596

Added

  • Added faas.* field set as beta. #1628, #1755

Improvements

  • Wildcard type field migration GA. #1582
  • match_only_text type field migration GA. #1584
  • Threat indicator fields GA from RFC 0008. #1586

Tooling and Artifact Changes

Breaking Changes

  • Removing deprecated --oss from generator #1404
  • Removing use-cases directory #1405
  • Remove Go code generator. #1567
  • Remove template generation for ES6. #1680
  • Update folder structure for generated ES artifacts. #1700, #1762
  • Updated support for overridable composable settings template. #1737

Improvements

  • Align input options for --include and --subset arguments #1519
  • Remove remaining Go deps after removing Go code generator. #1585
  • Add explicit default_field: true for Beats artifacts. #1633
  • Reorganize docs directory structure. #1679
  • Added support for analyzer definitions for text fields. #1737
  • Adding release notes section into ECS docs. #1800

Bugfixes

  • Fixed the default_field flag for root fields in Beats generator. #1711

1.12.2

Tooling and Artifact Changes

Bugfixes

  • Add object as fallback for flattened type. #1653

1.12.1

Schema Changes

Bugfixes

  • Updating x509 order to correct nesting. ##1621

1.12.0

Schema Changes

Bugfixes

  • Updating hash order to correct nesting. #1603
  • Removing incorrect hash reuses. #1604
  • Updating pe order to correct nesting. #1605
  • Removing incorrect pe reuses. #1606
  • Correcting enrichments to an array type. #1608

Added

  • Added file.fork_name field. #1288
  • Added service.address field. #1537
  • Added service.environment as a beta field. #1541
  • Added process.end field. #1544
  • Added container metric fields into experimental schema. #1546
  • Add code_signature.digest_algorithm and code_signature.timestamp fields. #1557
  • Add email.* field set in the experimental fields. #1569

Improvements

  • Beta migration on some keyword fields to wildcard. #1517
  • Promote threat.software.* and threat.group.* fields to GA. #1540
  • Update user.name and user.id examples for clarity. #1566
  • Beta migration of text and .text multi-fields to match_only_text. #1532, #1571

Tooling and Artifact Changes

Added

  • Support ES 6.x type fallback for match_only_text field types. #1528

Bugfixes

  • Prevent failure if no files need to be deleted find | xargs rm. #1588

Improvements

  • Document field type family interoperability in FAQ. #1591

1.11.0

Schema Changes

Added

  • elf.* field set added as beta. #1410
  • Remove beta from orchestrator field set. #1417
  • Extend threat.* field set beta. #1438
  • Added event.agent_id_status field. #1454
  • process.target and process.target.parent added to experimental schema. #1467
  • Threat indicator fields progress to beta stage. #1471, #1504
  • threat.enrichments beta fields. #1478, #1504

Improvements

  • Fix ecs GitHub repo link source branch #1393
  • Add --exclude flag to Generator to support field removal testing #1411
  • Explicitly include user identifiers in relater.user description. #1420
  • Improve descriptions for cloud.region and cloud.availability fields. #1452
  • Clarify event.kind descriptions for alert and signal. #1548

Deprecated

  • Note deprecation of the host.user.* field reuse. #1422
  • Note deprecation of log.original superseded by event.original #1469

Tooling and Artifact Changes

Bugfixes

  • Remove ignore_above when index: false and doc_values: false. #1483
  • Ensure doc_values is carried into Beats artifacts. #1488

Added

  • Support match_only_text data type in Go code generator. #1418
  • Support for multi-level, self-nestings. #1459
  • beta attribute now supported on categorization allowed values. #1511

Improvements

  • Swap Location and Field Set columns in Field Reuse table for better readability. #1472, #1476
  • Use a bullet points to list field reuses. #1473
  • Improve wording in Threat schema #1505

1.10.0

Schema Changes

Added

  • Add data_stream fieldset. #1307
  • Add orchestrator fieldset as beta fields. #1326
  • Extend threat.* experimental fields with proposed changes from RFC 0018. #1344, #1351
  • Allow custom descriptions for self-nesting reuses via short_override #1366

Improvements

  • Updated descriptions to use Elastic Security #1305
  • Host metrics fields from RFC 0005 are now GA. #1319
  • Adjustments to the field set "usage" docs #1345
  • Adjustments to the sidebar naming convention for usage and examples docs #1354
  • Update user.* field reuse descriptions. #1382

Tooling and Artifact Changes

Bugfixes

  • Correcting fieldset name capitalization for generated ES template #1323

Improvements

  • Support nested types in go code generator. #1254, #1350
  • Go code generator now supports the flattened data type. #1302
  • Adjustments to use terminology that doesn't have negative connotation. #1315

1.9.0

Schema Changes

Added

  • Added hash.ssdeep. #1169
  • Added cloud.service.name. #1204
  • Added http.request.id. #1208
  • data_stream.* fieldset introduced in experimental schema and artifacts. #1215
  • Added geo.timezone, geo.postal_code, and geo.continent_code. #1229
  • Added beta host metrics fields. #1248
  • Added code_signature.team_id, code_signature.signing_id. #1249
  • Extended pe fields added to experimental schema. #1256
  • Add elf fieldset to experimental schema. #1261
  • Add threat.indicator fields to experimental schema. #1268

Improvements

  • Include formatting guidance and examples for MAC address fields. #456
  • New section in ECS detailing event categorization fields usage. #1242
  • user.changes.*, user.effective.*, and user.target.* field reuses are GA. #1271

Tooling and Artifact Changes

Improvements

  • Update Python dependencies #1310, #1318
  • Adjustments to use terminology that doesn't have negative connotation. #1315

1.8.0

Schema Changes

Bugfixes

  • Clean up event.reference description. #1181
  • Go code generator fails if scaled_float type is used. #1250

Added

  • Added event.category "registry". #1040
  • Added event.category "session". #1049
  • Added usage documentation for user fields. #1066
  • Added user fields at user.effective.*, user.target.* and user.changes.*. #1066
  • Added os.type. #1111

Improvements

  • Event categorization fields GA. #1067
  • Note [ and ] bracket characters may enclose a literal IPv6 address when populating url.domain. #1131
  • Reinforce the exclusion of the leading dot from url.extension. #1151

Deprecated

  • Deprecated host.user.* fields for removal at the next major. #1066

Tooling and Artifact Changes

Bugfixes

  • tracing fields should be at root of Beats fields.ecs.yml artifacts. #1164

Added

  • Added the path key when type is alias, to support the alias field type. #877
  • Added support for scaled_float's mandatory parameter scaling_factor. #1042
  • Added ability for --oss flag to fall back constant_keyword to keyword. #1046
  • Added support in the generated Go source go for wildcard, version, and constant_keyword data types. #1050
  • Added support for marking fields, field sets, or field reuse as beta in the documentation. #1051
  • Added support for constant_keyword's optional parameter value. #1112
  • Added component templates for ECS field sets. #1156, #1186, #1191
  • Added functionality for merging custom and core multi-fields. #982

Improvements

  • Make all fields linkable directly. #1148
  • Added a notice highlighting that the tracing fields are not nested under the namespace tracing. #1162
  • ES 6.x template data types will fallback to supported types. #1171, #1176, #1186
  • Add a documentation page discussing the experimental artifacts. #1189

1.7.0

Schema Changes

Bugfixes

  • The protocol allowed value under event.type should not have the expected_event_types defined. #964
  • Clarify the definition of file.extension (no dots). #1016

Added

  • Added Mime Type fields to HTTP request and response. #944
  • Added network directions ingress and egress. #945
  • Added threat.technique.subtechnique to capture MITRE ATT&CK® subtechniques. #951
  • Added configuration as an allowed event.category. #963
  • Added a new directory with experimental artifacts, which includes all changes from RFCs that have reached stage 2. #993, #1053, #1115, #1117, #1118

Improvements

  • Expanded field set definitions for source.* and destination.*. #967
  • Provided better guidance for mapping network events. #969
  • Added the field .subdomain under client, destination, server, source and url, to match its presence at dns.question.subdomain. #981
  • Clarified ambiguity in guidance on how to use x509 fields for connections with only one certificate. #1114

Tooling and Artifact Changes

Breaking changes

  • Changed the index pattern of the sample Elasticsearch template from ecs-* to try-ecs-* to avoid conflicting with Logstash' ecs-logstash-*. #1048

Bugfixes

  • Addressed issue where foreign reuses weren't using the user-supplied as value for their destination. #960
  • Experimental artifacts failed to install due to event.original index setting. #1053

Added

  • Introduced --strict flag to perform stricter schema validation when running the generator script. #937
  • Added check under --strict that ensures composite types in example fields are quoted. #966
  • Added ignore_above and normalizer support for keyword multi-fields. #971
  • Added --oss flag for users who want to generate ECS templates for use on OSS clusters. #991

Improvements

  • Field details Jinja2 template components have been consolidated into one template #897
  • Add [discrete] marker before each section header in field details. #989
  • --ref now loads experimental/schemas based on git ref in addition to schemas. #1063

1.6.0

Schema Changes

Bugfixes

  • Field registry.data.strings should have been marked as an array field. #790

Added

  • Added x509.* field set. #762
  • Add architecture and imphash for PE field set. #763
  • Added agent.build.* for extended agent version information. #764
  • Added log.file.path to capture the log file an event came from. #802
  • Added more account and project cloud metadata. #816
  • Added missing field reuse of pe at process.parent.pe #868
  • Added span.id to the tracing fieldset, for additional log correlation #882
  • Added event.reason for the reason why an event's outcome or action was taken. #907
  • Added user.roles to capture a list of role names that apply to the user. #917

Improvements

  • Removed misleading pluralization in the description of user.id, it should contain one ID, not many. #801
  • Clarified misleading wording about multiple IPs in src/dst or cli/srv. #804
  • Improved verbiage about the MITRE ATT&CK® framework. #866
  • Removed the default object_type=keyword that was being applied to object fields. This attribute is Beats-specific. It's still supported, but needs to be set explicitly on a case by case basis now. This default being removed affects dns.answers, log.syslog, network.inner, observer.egress, and observer.ingress. #871
  • Improved attribute dashed_name in generated/ecs/*.yml to also replace @ with -. #871
  • Updated several URLs in the documentation with "example.com" domain. #910

Deprecated

  • Deprecate guidance to lowercase http.request.method #840

Tooling and Artifact Changes

Breaking changes

  • Removed field definitions at the root of documents for fieldsets that had reusable.top_level:false. This PR affects ecs_flat.yml, the csv file and the sample Elasticsearch templates. #495, #813
  • Removed the order attribute from the ecs_nested.yml and ecs_flat.yml files. #811
  • In ecs_nested.yml, the array of strings that used to be in reusable.expected has been replaced by an array of objects with 3 keys: 'as', 'at' and 'full'. #864
  • The subset format now requires name and fields keys at the top level. #873

Bugfixes

  • Subsets are created after duplicating reusable fields now so subsets can be applied to each reused instance independently. #753
  • Quoted the example for labels to avoid YAML interpreting it, and having slightly different results in different situations. #782
  • Fix incorrect listing of where field sets are nested in asciidoc, when they are nested deep. #784
  • Allow beats output to be generated when using --include or --subset flags. #814
  • Field parameter index is now correctly populated in the Beats field definition file. #824

Improvements

  • Add support for reusing official fieldsets in custom schemas. #751
  • Add full path names to reused fieldsets in nestings array in ecs_nested.yml. #803
  • Allow shorthand notation for including all subfields in subsets. #805
  • Add support for Elasticsearch enabled field parameter. #824
  • Add ref option to generator allowing schemas to be built for a specific ECS version. #851
  • Add template-settings and mapping-settings options to allow override of defaults in generated ES templates. #856
  • When overriding ECS field sets via the --include flag, it's no longer necessary to duplicate the field set's mandatory attributes. The customizations are merged before validation. #864
  • Add ability to nest field sets as another name. #864
  • Add ability to nest field sets within themselves (e.g. process => process.parent). #864
  • New attribute reused_here is added in ecs_nested.yml. It obsoletes the previous attribute nestings, and is able to fully capture details of other field sets reused under this one. #864
  • When chained reuses are needed (e.g. group => user, then user => many places), it's now necessary to force the order with new attribute reusable.order. This attribute is otherwise optional. It's currently only needed for group. #864
  • There's a new representation of ECS at generated/ecs/ecs.yml, which is a deeply nested representation of the fields. This file is not in git, as it's only meant for developers working on the ECS tools. #864
  • Jinja2 templates now define the doc structure for the AsciiDoc generator. #865
  • Intermediate ecs_flat.yml and ecs_nested.yml files are now generated for each individual subset, in addition to the intermediate files generated for the combined subset. #873

Deprecated

  • In ecs_nested.yml, we're deprecating the attribute nestings. It will be removed in a future release. The deprecated nestings attribute was an array of flat field names describing where fields are nested within the field set. This is replaced with the attribute reused_here, which is an array of objects. The new format still lists where the fields are nested via the same flat field name, but also specifies additional information about each field reuse. #864

1.5.0

Schema Changes

Added

  • Added dll.* fields #679
  • Added related.hash to keep track of all hashes seen on an event. #711
  • Added fieldset for PE metadata. #731
  • Added code_signature fieldset. #733
  • Added missing hash fields at process.parent.hash.*. #739
  • Added globally unique identifier entity_id to process and process.parent. #747
  • Added interface, vlan, observer zone fields #752
  • Added rule.author, rule.license fields #754
  • Added iam value for event.category and three related values for event.type. #756
  • Added fields event.reference and event.url to hold link to additional event info/actions. #757
  • Added file.mime_type to include MIME type information on file structures #760
  • Added event.category value of network and associated event.type values. #761

Improvements

  • Temporary workaround for Beats templates' default_field growing too big. #687
  • Identify which fields should contain arrays of values, rather than scalar values. #727, #661
  • Clarified examples and definitions regarding vulnerabilities. #758
  • Updated definition of event.outcome based on community feedback. #759

Tooling and Artifact Changes

Improvements

  • ECS scripts now use Python 3.6+. #674
  • schema_reader.py now reliably supports chaining reusable fieldsets together. #722
  • Allow the artifact generator to consider and output only a subset of fields. #737
  • Add support for reusing fields in places other than the top level of the destination fieldset. #739
  • Add support for specifying the directory to write the generated files. #748

1.4.0

Schema Changes

Added

  • Added default text analyzer as a multi-field to user_agent.original. #575
  • Added file.attributes. #611
  • Added file.drive_letter. #620
  • Added rule fields. #665
  • Added default text analyzer as a multi-field to around 25 more fields. #680
  • Added registry.* fieldset for the Windows registry. #673
  • Publish initial list of allowed values for the categorization fields (previously reserved) event.kind, event.category, event.type and event.outcome. #684, #691, #692
  • Added related.user #694

Tooling and Artifact Changes

Bugfixes

  • Fix support for multi-fields. #575

1.3.1

Schema Changes

Bugfixes

  • Removed unnecessary field tls.server.supported_ciphers. #662

1.3.0

Schema Changes

Added

  • Added vulnerability.* fields to represent vulnerability information. #581
  • Added event.ingested as the ingest timestamp. #582
  • Added package.reference. #585
  • Added package.build_version. #586
  • Added package.type. #587
  • Added host.domain field. #591
  • Added process.command_line. #599
  • Added process.exit_code. #600
  • Added fields in tls.* to support analysis of TLS protocol events. #606
  • Added process.parent.*. #612
  • Added process.args_count. #615

Tooling and Artifact Changes

Breaking changes

  • Changed the order and column names in the csv. #621
  • Removed the file schema.json and the code generating it. #627
  • Removed the legacy Elasticsearch template. #629
    • Note: The good Elasticsearch templates are available in directory generated/elasticsearch, this PR only removes an obsolete file.

Added

  • Added the "Indexed", "Field_Set" and "Description" columns to the csv. #621

1.2.0

Added

  • Added threat.* fields to apply a taxonomy to events and alerts. #505
  • Added fields in log.* to allow for full Syslog mapping. #525
  • Added package.* to installed software packages. #532
  • Added registered_domain to url, source, destination, client, and server. #533
  • Added top_level_domain field to url, dns.question, source, destination, client, and server. #542, #572
  • Added group.domain field. #547
  • Added url.extension. #551, #573
  • Added observer.name and observer.product. #557, #571
  • Added dns.question.subdomain field. #561, #574
  • Added error.stack_trace field. #562
  • Added log.origin.file.name, log.origin.function and log.origin.file.line fields. #563, #568
  • Added service.node.name to allow distinction between different nodes of the same service running on the same host. #565
  • Added error.type field. #566

1.1.0

Added

  • Added as fields for Autonomous System information (i.e. ASN). #341
  • Added field formats to all .bytes fields and event.duration. #385, #425
  • Added hash.* field set. #426
  • Added dns.* field set, to describe DNS traffic. #438
  • Added event.code, event.sequence and event.provider. #439
  • Added file.name and file.directory. #441
  • Added file.created, and file.accessed. #445
  • Added process.uptime and host.uptime fields. #477
  • Added domain field to user. #486
  • Added .nat.ip and .nat.port to source, destination, client and server. #491
  • Added process.thread.name field. #517
  • Added trace.id and transaction.id fields for tracing across different services. #519
  • Added log.logger field. #521

Improvements

  • Added examples and improved definitions of many file fields. #441
  • Changed the service.id description so it works better for clustered services. #502

1.0.1

Added

  • Add generated source code for Go. #249
  • Translate the documentation from README.md, to the main website. #266, #334, #400, #430, #437
  • New generator that supports reusable fields, for files based on ECS. It generates schema.csv, Elasticsearch 6 and 7 templates, and field documentation for the main website. #336
  • Generator for the asciidoc rendering of field definitions. #347
  • Generator for the Beats fields.ecs.yml file. #379
  • Remove many legacy generated files. #399
  • Specify static output format for event.duration. #425
  • Format port numbers and numeric IDs as strings. #454
  • Add example for process.pid and process.ppid. #464, #470

1.0.0

Breaking changes

  • Remove the user.group keyword field, introduced in #204. Instead, the group field set can be nested at user.group. #308

Bugfixes

  • Field set name "group" was being used as a leaf field at user.group, instead of being a nesting of the field set. This goes against a driving principle of ECS, and has been corrected. #308
  • Replaced incorrect examples in cloud.provider. #330, #348
  • Changed the url.port type to long. #339

Added

  • Added pointer in description of http field set to url field set. #330
  • Added an optional short field description. #330

Improvements

  • Clarified the definition of the host fields #325
  • Clarified the difference between @timestamp and event.created. #329
  • Make phrasing of lowercasing directive more relevant, no matter where it's shown. #332
  • Specify the object_type for field labels. #331
  • Loosen up definition of geo field set. Not necessarily geo-ip based, since geo.name. #333
  • Clarified guidelines on ID fields. #349

1.0.0-beta2

Breaking changes

  • Changed device.* fields to observer.* fields to eliminate user confusion. #238
  • Rename network.total.bytes to network.bytes and network.total.packets to network.packets. #179
  • Remove network.inbound.bytes, network.inbound.packets, network.outbound.bytes and network.outbound.packets. #179
  • Changed the event.type definition to be only reserved. #242

Bugfixes

  • Fix obvious mistake in the definition of "source", where it said "destination" instead of "source". #211

Added

  • Add host.name field and clarify usage of host.hostname. #187
  • Add event.start and event.end date fields. #185
  • Add process.thread.id field. #200
  • Add host.name field and clarify usage of host.hostname.
  • Add event.start and event.end date fields.
  • Create new related field set with related.ip. #206
  • Add user.group field. #204
  • Create new group field set with group.id and group.name. #203
  • Add url.full field. #207
  • Add process.executable field. #209
  • Add process.working_directory and process.start. #215
  • Reintroduce http. #237
    • Move http.response.body to http.response.body.content. #239
    • Add http.request.body.content. #239
    • Add HTTP size metric fields. #239
  • Add user.full_name field. #201
  • Add network.community_id field. #208
  • Add fields geo.country_name and geo.region_iso_code. #214
  • Add event.kind and event.outcome. #242
  • Add client and server objects and fields. #236
  • Reintroduce a streamlined user_agent field set. #240, #262
  • Add geo.name for ad hoc location names. #248
  • Add event.timezone to allow for proper interpretation of incomplete timestamps. #258
  • Add fields source.address, destination.address, client.address, and server.address. #247
  • Add os.full to capture full OS name, including version. #259
  • Add generated source code for Go. #249

Improvements

  • Improved the definition of the file fields #196
  • Improved the definition of the agent fields #192
  • Improve definition of events, logs, and metrics in event section #194
  • Improved the definition of network fields in intro section #197
  • Improved the definition of host fields #195
  • Improved the definitions for event.category and event.action. #242
  • Clarify the semantics of network.direction. #212
  • Add source.bytes, source.packets, destination.bytes and destination.packets. #179
  • Add a readme section to declare some top level field sets are reserved for future use. #257
  • Clarify that network.transport, network.type, network.application, and network.protocol must be lowercase. #251
  • Clarify that http.request.method must be lowercase. #251
  • Clarify that source/destination should be filled, even if client/server is being used. #265

1.0.0-beta1

Breaking changes

  • Change structure of URL. #7
  • Rename url.href multi_field. #18
  • Rename geoip.* to geo. #58
  • Rename log.message to log.original. #106
  • Rename event.raw to event.original. #107
  • Rename user_agent.raw to user_agent.original and make it a keyword. #107
  • Rename file.path.raw to file.path.keyword, file.target_path.raw to file.target_path.keyword, url.href.raw to url.href.keyword, url.path.raw to url.path.keyword, url.query.raw to url.query.keyword, and network.name.raw to network.name.keyword. #103
  • Remove log.offset and log.line as too specific for ECS. #131
  • Remove top level objects kubernetes and tls. #132
  • Remove *.timezone.offset.sec fields as too specific for ECS at the moment. #134
  • Make the following fields keyword: device.vendor, file.path, file.target_path, http.response.body, network.name, organization.name, url.href, url.path, url.query, user_agent.original
  • Rename url.host.name to url.hostname to better align with industry convention. #147
  • Make the following fields keyword: device.vendor, file.path, file.target_path, http.response.body, network.name, organization.name, url.href, url.path, url.query, user_agent.original. #137
    • Only two fields using text indexing at this time are message and error.message.
  • Rename host.name to host.hostname to better align with industry convention. #144
  • Update definition of service.type and service.name.
  • Redefine purpose of agent.name field to be user defined field.
  • Rename url.href to url.original.
  • Remove source.subdomain and destination.subdomain fields.
  • Rename event.version to ecs.version. #169
  • Remove the http field set temporarily. #171
  • Remove the user_agent field set temporarily. #172
  • Rename url.hostname to url.domain. #175
  • Remove source.hostname and destination.hostname. #175

Added

  • Add network.total.packets and network.total.bytes field. PR#2
  • Add event.action field. #21
  • Add network.name, to track network names in the monitoring pipeline. #25
  • Adds cloud.account.id for top level organizational level. #11
  • Add http.response.status_code and http.response.body fields. #4
  • Add fields for Operating System data. #5
  • Add log.message. #3
  • Add http.request.method and http.version
  • Add host.os.kernel containing the OS kernel version. #60
  • Add agent.type field.
  • Add http.request.referrer field. #164
  • Add network.type, network.iana_number, network.transport and network.application. #81 and #170

Improvements

  • Remove duplicate definitions of the reuseable os field set from host.os and user_agent.os. #168

0.1.0

Initial draft release