Change log for TCPWAVE_DDI

Date Changes
2026-09-07 Enhancement:
- Added grok patterns to parse the raw log fields.
- event.idm.read_only_udm.network.ip_subnet_range: Newly mapped subnet raw log field with event.idm.read_only_udm.network.ip_subnet_range UDM field.
- event.idm.read_only_udm.additional.fields: Newly mapped cb raw log field with event.idm.read_only_udm.additional.fields UDM field.
- event.idm.read_only_udm.network.dhcp.yiaddr: Newly mapped target_ip raw log field with event.idm.read_only_udm.network.dhcp.yiaddr UDM field.
- event.idm.read_only_udm.network.dhcp.ciaddr: Newly mapped target_ip raw log field with event.idm.read_only_udm.network.dhcp.ciaddr UDM field.
- event.idm.read_only_udm.network.dhcp.chaddr: Newly mapped d_host and d_mac raw log fields with event.idm.read_only_udm.network.dhcp.chaddr UDM field.
- event.idm.read_only_udm.network.dhcp.type: If description contains DHCPOFFER, updated the value of event.idm.read_only_udm.network.dhcp.type to OFFER.
- event.idm.read_only_udm.network.application_protocol: If description contains DHCPOFFER, updated the value of event.idm.read_only_udm.network.application_protocol to DHCP.
- event.idm.read_only_udm.metadata.event_type: If description contains DHCPOFFER, updated the value of event.idm.read_only_udm.metadata.event_type to NETWORK_DHCP.
- event.idm.read_only_udm.metadata.event_type: Updated event.idm.read_only_udm.metadata.event_type to PROCESS_UNCATEGORIZED when client_identifier, src_mac, and DHCP-related data are not present.
2026-08-23 Enhancement:
- Added a grok pattern to parse new format of logs.
- Added grok patterns to parse new format of description field.
- event.idm.read_only_udm.network.dns.questions.name: Newly mapped question_name raw log field to event.idm.read_only_udm.network.dns.questions.name.
- event.idm.read_only_udm.intermediary.hostname: Newly mapped int_ip raw log field to event.idm.read_only_udm.intermediary.hostname if it is not an IP address.
- event.idm.read_only_udm.metadata.event_timestamp: Added support to parse new format of timestamp for field ts.
- event.idm.read_only_udm.target.mac and event.idm.read_only_udm.target.asser.mac: Newly mapped d_host raw log field to event.idm.read_only_udm.target.mac and event.idm.read_only_udm.target.asser.mac when it is a valid MAC address.
2025-12-02 Enhancement:
SYSLOG raw log format: Added support for the SYSLOG raw log format.
event.idm.read_only_udm.principal.process.file.full_path: Mapped filepath raw log field to event.idm.read_only_udm.principal.process.file.full_path.
event.idm.read_only_udm.target.hostname: Mapped d_host raw log field to event.idm.read_only_udm.target.hostname.
event.idm.read_only_udm.target.ip: Mapped d_ip raw log field to event.idm.read_only_udm.target.ip.
event.idm.read_only_udm.target.mac: Mapped d_mac raw log field to event.idm.read_only_udm.target.mac.
event.idm.read_only_udm.target.administrative_domain: Mapped d_domain raw log field to event.idm.read_only_udm.target.administrative_domain.
event.idm.read_only_udm.network.dhcp.client_identifier: Mapped d_clientID raw log field to event.idm.read_only_udm.network.dhcp.client_identifier.
security_result.description: Mapped des raw log field to security_result.description.
event.idm.read_only_udm.src.hostname: Mapped src raw log field to event.idm.read_only_udm.src.hostname.
event.idm.read_only_udm.src.mac: Mapped src_mac raw log field to event.idm.read_only_udm.src.mac.
event.idm.read_only_udm.network.dhcp.chaddr: Mapped src_mac raw log field to event.idm.read_only_udm.network.dhcp.chaddr.
event.idm.read_only_udm.intermediary.ip: Mapped int_ip raw log field to event.idm.read_only_udm.intermediary.ip.
event.idm.read_only_udm.metadata.event_type: Set to NETWORK_DHCP for DHCP events.
event.idm.read_only_udm.network.application_protocol: Set to DHCP for DHCP events.
event.idm.read_only_udm.network.dhcp.type: Mapped DHCP message type from description field to event.idm.read_only_udm.network.dhcp.type.
security_result.action: Set to BLOCK when the description field contains rejected.
event.idm.read_only_udm.additional.fields: Mapped DHCP pool-related fields to event.idm.read_only_udm.additional.fields.
2022-09-27 Newly created parser.