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[Azure Firewall] Certain Logs are not being parsed correctly #9037

@Erikg346

Description

@Erikg346

Describe the issue:

Azure firewall logs seem to skip the ingest pipeline that parses out fields
It's possible grok patterns are missing from logs-azure.firewall_logs-1.8.3 ingest pipeline

Log Categories:

  • AZFWDnsQuery
  • AZFWNatRule
  • AZFWNetworkRule
  • AZFWApplicationRule

Example messages from event.original:
Network Rule:
image

Application Rule:
image

From initial look, looks like the pipeline uses grok processor on "json.properties.msg" but these example events don't contain nested msg:
image

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