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[IIS] Add grok pattern for s-ip + cookie + referer + split-bytes log layout #20048

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[IIS] Add grok pattern for s-ip + cookie + referer + split-bytes log layout #20048

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[IIS] Add grok pattern for s-ip + cookie + referer + split-bytes log …
brian-mckinney Jul 8, 2026
1b347e6
[IIS] Add generated expected output for cookie/bytes-split pipeline test
marc-gr Jul 9, 2026
617b9ca
Merge branch 'main' into fix/iis-grok-pattern-cookie-bytes-split
brian-mckinney Jul 9, 2026
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5 changes: 5 additions & 0 deletions packages/iis/changelog.yml
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Original file line number Diff line number Diff line change
@@ -1,4 +1,9 @@
# newer versions go on top
- version: "1.24.7"
changes:
- description: Add a grok pattern for access logs using the "s-ip ... cs(cookie) cs(Referer) ... sc-bytes, cs-bytes" documented field layout, which had no matching pattern and failed ingestion.

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Elastic.Ellipses: In general, don't use an ellipsis.

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Elastic.Ellipses: In general, don't use an ellipsis.
type: bugfix
link: https://github.com/elastic/integrations/pull/20048
- version: "1.24.6"
changes:
- description: Update package title and description to improve clarity of use.
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1 change: 1 addition & 0 deletions packages/iis/data_stream/access/_dev/test/pipeline/test-iis-access-cookie-bytes-split.log
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@@ -0,0 +1 @@
2026-07-06 18:36:16 10.177.11.164 POST /apps/compliance/requirement.aspx RequirementId=1283 443 jdoe@example.com 10.177.2.242 Mozilla/5.0+(Windows+NT+10.0;+Win64;+x64)+AppleWebKit/537.36+(KHTML,+like+Gecko)+Chrome/120.0.0.0+Safari/537.36 SESSION_ID=e4edcec2803f4301909ba898ec5f3fbb;+DeviceWidth=0;+DeviceHeight=0 https://example.com/apps/compliance/requirement.aspx?RequirementId=1283 200 0 0 20123 36264 597 203.0.113.10
92 changes: 92 additions & 0 deletions ...ata_stream/access/_dev/test/pipeline/test-iis-access-cookie-bytes-split.log-expected.json
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{
"expected": [
{
"@timestamp": "2026-07-06T18:36:16.000Z",
"destination": {
"address": "10.177.11.164",
"ip": "10.177.11.164",
"port": 443
},
"ecs": {
"version": "8.11.0"
},
"event": {
"category": [
"web",
"network"
],
"duration": 597000000,
"kind": "event",
"original": "2026-07-06 18:36:16 10.177.11.164 POST /apps/compliance/requirement.aspx RequirementId=1283 443 jdoe@example.com 10.177.2.242 Mozilla/5.0+(Windows+NT+10.0;+Win64;+x64)+AppleWebKit/537.36+(KHTML,+like+Gecko)+Chrome/120.0.0.0+Safari/537.36 SESSION_ID=e4edcec2803f4301909ba898ec5f3fbb;+DeviceWidth=0;+DeviceHeight=0 https://example.com/apps/compliance/requirement.aspx?RequirementId=1283 200 0 0 20123 36264 597 203.0.113.10",
"outcome": "success",
"type": [
"connection"
]
},
"http": {
"request": {
"body": {
"bytes": 36264
},
"method": "POST",
"referrer": "https://example.com/apps/compliance/requirement.aspx?RequirementId=1283"
},
"response": {
"body": {
"bytes": 20123
},
"status_code": 200
}
},
"iis": {
"access": {
"cookie": "SESSION_ID=e4edcec2803f4301909ba898ec5f3fbb;+DeviceWidth=0;+DeviceHeight=0",
"sub_status": 0,
"win32_status": 0
}
},
"network": {
"forwarded_ip": "203.0.113.10"
},
"related": {
"ip": [
"10.177.2.242",
"10.177.11.164"
],
"user": [
"jdoe"
]
},
"source": {
"address": "10.177.2.242",
"ip": "10.177.2.242"
},
"tags": [
"preserve_original_event"
],
"url": {
"extension": "aspx",
"original": "/apps/compliance/requirement.aspx",
"path": "/apps/compliance/requirement.aspx",
"query": "RequirementId=1283"
},
"user": {
"domain": "example.com",
"name": "jdoe"
},
"user_agent": {
"device": {
"name": "Other"
},
"name": "Chrome",
"original": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
"os": {
"full": "Windows 10",
"name": "Windows",
"version": "10"
},
"version": "120.0.0.0"
}
}
]
}
6 changes: 6 additions & 0 deletions packages/iis/data_stream/access/elasticsearch/ingest_pipeline/default.yml
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Expand Up @@ -23,6 +23,12 @@ processors:
(?:-|%{NUMBER:http.response.status_code:long}) (?:-|%{NUMBER:iis.access.sub_status:long})
(?:-|%{NUMBER:iis.access.win32_status:long}) (?:-|%{NUMBER:http.response.body.bytes:long})
(?:-|%{NUMBER:http.request.body.bytes:long}) (?:-|%{NUMBER:_temp_.duration:long})( (?:-|%{IP:network.forwarded_ip}))?'
- '%{TIMESTAMP_ISO8601:iis.access.time} (?:-|%{IPORHOST:destination.address}) (?:-|%{WORD:http.request.method})
(?:-|%{NOTSPACE:_temp_.url_path}) (?:-|%{NOTSPACE:_temp_.url_query}) (?:-|%{NUMBER:destination.port:long}) (?:-|%{NOTSPACE:user.name})
(?:-|%{IPORHOST:source.address}) (?:-|%{NOTSPACE:user_agent.original}) (?:-|%{NOTSPACE:iis.access.cookie}) (?:-|%{NOTSPACE:http.request.referrer})
(?:-|%{NUMBER:http.response.status_code:long}) (?:-|%{NUMBER:iis.access.sub_status:long})
(?:-|%{NUMBER:iis.access.win32_status:long}) (?:-|%{NUMBER:http.response.body.bytes:long})
(?:-|%{NUMBER:http.request.body.bytes:long}) (?:-|%{NUMBER:_temp_.duration:long})( (?:-|%{IP:network.forwarded_ip}))?'
- '%{TIMESTAMP_ISO8601:iis.access.time} (?:-|%{IPORHOST:destination.address}) (?:-|%{WORD:http.request.method})
(?:-|%{NOTSPACE:_temp_.url_path}) (?:-|%{NOTSPACE:_temp_.url_query}) (?:-|%{NUMBER:destination.port:long}) (?:-|%{NOTSPACE:user.name})
(?:-|%{IPORHOST:source.address}) (?:-|%{NOTSPACE:user_agent.original}) (?:-|%{NOTSPACE:http.request.referrer})
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2 changes: 1 addition & 1 deletion packages/iis/manifest.yml
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@@ -1,6 +1,6 @@
name: iis
title: IIS
version: "1.24.6"
version: "1.24.7"
description: Collect access logs, error logs, and performance metrics from IIS on Windows via Elastic Agent.
type: integration
icons:
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