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x-pack/filebeat/processors/decode_def/cef: relax size constraint on network bytes #36108

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Jul 20, 2023
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x-pack/filebeat/processors/decode_def/cef: relax size constraint on network bytes #36108

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1 change: 1 addition & 0 deletions CHANGELOG.next.asciidoc
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Original file line number Diff line number Diff line change
Expand Up @@ -350,6 +350,7 @@ automatic splitting at root level, if root level element is an array. {pull}3415
- Add `clean_session` configuration setting for MQTT input. {pull}35806[16204]
- Add fingerprint mode for the filestream scanner and new file identity based on it {issue}34419[34419] {pull}35734[35734]
- Add file system metadata to events ingested via filestream {issue}35801[35801] {pull}36065[36065]
- Allow parsing bytes in and bytes out as long integer in CEF processor. {issue}36100[36100] {pull}36108[36108]

*Auditbeat*
- Migration of system/package module storage from gob encoding to flatbuffer encoding in bolt db. {pull}34817[34817]
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6 changes: 5 additions & 1 deletion x-pack/filebeat/processors/decode_cef/cef/cef_test.go
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Expand Up @@ -20,7 +20,7 @@ import (
var generateCorpus = flag.Bool("corpus", false, "generate fuzz corpus from test cases")

const (
standardMessage = `CEF:26|security|threatmanager|1.0|100|trojan successfully stopped|10|src=10.0.0.192 dst=12.121.122.82 spt=1232 eventId=1`
standardMessage = `CEF:26|security|threatmanager|1.0|100|trojan successfully stopped|10|src=10.0.0.192 dst=12.121.122.82 spt=1232 eventId=1 in=4294967296 out=4294967296`

headerOnly = `CEF:26|security|threatmanager|1.0|100|trojan successfully stopped|10|`

Expand Down Expand Up @@ -124,6 +124,8 @@ func TestEventUnpack(t *testing.T) {
"dst": IPField("12.121.122.82"),
"spt": IntegerField(1232),
"eventId": LongField(1),
"in": LongField(4294967296),
"out": LongField(4294967296),
}, e.Extensions)
})

Expand Down Expand Up @@ -449,6 +451,8 @@ func TestEventUnpackWithFullExtensionNames(t *testing.T) {
"destinationAddress": IPField("12.121.122.82"),
"sourcePort": IntegerField(1232),
"eventId": LongField(1),
"bytesIn": LongField(4294967296),
"bytesOut": LongField(4294967296),
}, e.Extensions)
}

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4 changes: 2 additions & 2 deletions x-pack/filebeat/processors/decode_cef/cef/keys.go
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Expand Up @@ -90,11 +90,11 @@ var extensionMapping = map[string]mappedField{
},
"in": {
Target: "bytesIn",
Type: IntegerType,
Type: LongType,
},
"out": {
Target: "bytesOut",
Type: IntegerType,
Type: LongType,
},
"customerExternalID": {
Target: "customerExternalID",
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