Change log for CISCO_DNAC

Date Changes
2025-08-14 Enhancement:
- Modified Grok pattern to correctly parse the src_ip field as either an IP address or a hostname.
- event.idm.read_only_udm.additional.fields: Newly mapped correlationId, isSimulated raw log field(s) with event.idm.read_only_udm.additional.fields UDM field.
- event.idm.read_only_udm.extensions.vulns.vulnerabilities.scan_start_time: Newly mapped startTime raw log field(s) with event.idm.read_only_udm.extensions.vulns.vulnerabilities.scan_start_time UDM field.
- event.idm.read_only_udm.intermediary.ip: Newly mapped details.wlcIp raw log field(s) with event.idm.read_only_udm.intermediary.ip UDM field.
- event.idm.read_only_udm.observer.hostname: Newly mapped details.detectingApName raw log field(s) with event.idm.read_only_udm.observer.hostname UDM field.
- event.idm.read_only_udm.observer.location.name: Newly mapped details.detectingApLocation raw log field(s) with event.idm.read_only_udm.observer.location.name UDM field.
- event.idm.read_only_udm.observer.mac: Newly mapped details.detectingApMacAddress raw log field(s) with event.idm.read_only_udm.observer.mac UDM field.
- event.idm.read_only_udm.observer.resource.attribute.labels: Newly mapped network.siteId raw log field(s) with event.idm.read_only_udm.observer.resource.attribute.labels UDM field.
- event.idm.read_only_udm.principal.hostname: Newly mapped src_ip raw log field(s) with event.idm.read_only_udm.principal.hostname UDM field.
- event.idm.read_only_udm.security_result.detection_fields: Newly mapped details raw log field(s) with event.idm.read_only_udm.security_result.detection_fields UDM field.
- event.idm.read_only_udm.security_result.threat_name: Newly mapped details.threatType raw log field(s) with event.idm.read_only_udm.security_result.threat_name UDM field.
- event.idm.read_only_udm.target.resource.attribute.labels: Newly mapped tenantId raw log field(s) with event.idm.read_only_udm.target.resource.attribute.labels UDM field.
- Added conditional logic to map src_ip to event.idm.read_only_udm.principal.ip if it is a valid IP address, otherwise it is mapped to event.idm.read_only_udm.principal.hostname.
- event.idm.read_only_udm.target.resource.product_object_id: Added a fallback to map from the efInstanceId raw log field if instanceId is not present.
2024-11-28 Enhancement:
- Added support for Syslog + KV format of logs.
2023-12-29 Newly created parser.