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[8.0](backport #29948) [Heartbeat] Change size of data on ICMP packet #29979

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Jan 25, 2022
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[8.0](backport #29948) [Heartbeat] Change size of data on ICMP packet #29979

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1 change: 1 addition & 0 deletions CHANGELOG.next.asciidoc
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Expand Up @@ -50,6 +50,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
- Fix broken macOS ICMP python e2e test. {pull}29900[29900]
- Only add monitor.status to browser events when summary. {pull}29460[29460]
- Also add summary to journeys for which the synthetics runner crashes. {pull}29606[29606]
- Update size of ICMP packets to adhere to standard min size. {pull}29948[29948]

*Metricbeat*

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2 changes: 1 addition & 1 deletion heartbeat/monitors/active/icmp/stdloop.go
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Expand Up @@ -346,7 +346,7 @@ func (l *stdICMPLoop) sendEchoRequest(addr *net.IPAddr) (*requestContext, error)
l.requests[id] = ctx
l.mutex.Unlock()

payloadBuf := make([]byte, 0, 8)
payloadBuf := make([]byte, 48, 48)
payload := bytes.NewBuffer(payloadBuf)
ts := time.Now()
binary.Write(payload, binary.BigEndian, ts.UnixNano())
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