收集 Microsoft Windows DNS 資料

這份文件：

• 說明部署架構和安裝步驟，以及任何必要的設定，這些設定可產生 Google 安全作業剖析器支援的記錄檔，用於 Microsoft Windows DNS 事件。如需 Google Security Operations 資料擷取的總覽，請參閱「將資料擷取至 Google Security Operations」。
• 包含剖析器如何將原始記錄中的欄位對應至 Google Security Operations 統一資料模型欄位。

根據部署架構，設定 Bindplane 代理程式或 NXLog 代理程式，將 Windows DNS 記錄擷取至 Google 安全作業。建議您使用 Bindplane Agent 將 Windows DNS 記錄轉送至 Google 安全作業。

本文中的資訊適用於標示為 WINDOWS_DNS 的剖析器攝入標籤。擷取標籤可指出哪個剖析器將原始記錄資料正規化為具結構性的 UDM 格式。

事前準備

設定 Bindplane 代理程式或 NXLog 代理程式前，請先完成下列工作：

• 設定 Microsoft Windows DNS 伺服器。詳情請參閱「在 Windows Server 上安裝及設定 DNS 伺服器」。
• 在 Windows DNS 伺服器上啟用 DNS 診斷記錄。詳情請參閱「DNS 記錄和診斷」。
• 將所有系統設定為世界標準時間時區。
• 查看支援的裝置和版本
• 查看支援的記錄類型

查看支援的裝置和版本

Google Security Operations 剖析器支援下列 Microsoft Windows Server 版本的記錄。Microsoft Windows Server 有以下版本：Foundation、Essentials、Standard 和 Datacenter。各版本產生的記錄事件結構定義並無差異。

• Microsoft Windows Server 2019
• Microsoft Windows Server 2016

• Microsoft Windows Server 2012 R2

  Google Security Operations 剖析器支援 NXLog Enterprise Edition 收集的記錄。

查看支援的記錄類型

Google Security Operations 剖析器支援由 Microsoft Windows DNS 伺服器產生的下列記錄類型。如要進一步瞭解這些記錄類型，請參閱「DNS 記錄和診斷」說明文件。這個剖析器支援以英文文字產生的記錄，但不支援以非英文語言產生的記錄。

• 稽核記錄：如要瞭解這類記錄的說明，請參閱「稽核事件」。
• Analytics 記錄：如要瞭解這類記錄的說明，請參閱「Analytics 事件」。
• 設定 Microsoft Windows DNS 伺服器。詳情請參閱「安裝及啟用 DNS 診斷記錄」。

設定 Bindplane 代理程式

建議您使用 Bindplane Agent 將 Windows DNS 記錄轉送至 Google SecOps。

1. 在每部 Windows DNS 伺服器上安裝 Bindplane 代理程式。如要進一步瞭解如何安裝 Bindplane 代理程式，請參閱 Bindplane 代理程式安裝操作說明。

2. 建立設定檔 Bindplane Agent，並加入下列內容：

   receivers:
     windowseventlog/dns_log:
     channel: Microsoft-Windows-DNSServer/Audit
     raw: true
   processors:
     batch:
   
   exporters:
     chronicle/dns_log:
       endpoint: https://malachiteingestion-pa.googleapis.com
       creds: '{
       "type": "service_account",
       "project_id": "malachite-projectname",
       "private_key_id": `PRIVATE_KEY_ID`,
       "private_key": `PRIVATE_KEY`,
       "client_email":"`SERVICE_ACCOUNT_NAME`@malachite-`PROJECT_ID`.`SERVICE_ACCOUNT_DOMAIN`",
       "client_id": `CLIENT_ID`,
       "auth_uri": "https://accounts.google.com/o/oauth2/auth",
       "token_uri": "https://oauth2.googleapis.com/token",
       "auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs",
       "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/`SERVICSERVICE_ACCOUNT_NAME`%40malachite-`PROJECT_ID`.`SERVICE_ACCOUNT_DOMAIN`",
       "universe_domain": "googleapis.com"
       }'
     log_type: 'WINDOWS_DNS'
     override_log_type: false
     raw_log_field: body
     customer_id: `CUSTOMER_ID`
   
   service:
     pipelines:
       logs/dns:
         receivers:
           - windowseventlog/dns_log
         processors: [batch]
         exporters: [chronicle/dns_log]
   

3. 將 PRIVATE_KEY_ID、PRIVATE_KEY、SERVICSERVICE_ACCOUNT_NAME、PROJECT_ID、CLIENT_ID、SERVICE_ACCOUNT_DOMAIN 和 CUSTOMER_ID 替換為服務帳戶 JSON 檔案中的相應值，您可以從 Google Cloud 平台下載該檔案。如要進一步瞭解服務帳戶金鑰，請參閱「建立及刪除服務帳戶金鑰」說明文件。

4. 如要啟動 Bindplane (舊稱 observerIQ) 代理人服務，請依序選取「Services」>「Extended」>「Bindplane Service」>「Start」。

設定 NXLog 代理程式和 Google 安全性作業轉送程式

下圖顯示架構，其中安裝了 NXLog 代理程式，用於收集 Microsoft Windows DNS 事件並傳送至 Google SecOps。請將這項資訊與您的環境進行比對，確認已安裝這些元件。您的部署可能與此表示方式不同。

如果您使用的是 NXLog Agent 而非 Bindplane Agent，請完成下列先決條件： - 在叢集 Microsoft Windows 伺服器上安裝 NXLog，以便收集記錄並轉送至中央 Microsoft Windows 或 Linux 伺服器。 - 在中央 Microsoft Windows 或 Linux 伺服器上安裝 Google SecOps 轉寄站。

1. 在每部 Microsoft Windows DNS 伺服器上安裝 NXLog。請參閱 NXLog 說明文件。

2. 為每個 NXLog 執行個體建立設定檔。使用 im_etw 輸入模組擷取 DNS 分析記錄，以及 im_msvistalog 輸入模組擷取稽核記錄。

   • 如要進一步瞭解 im_etw 輸入模組，請參閱「Microsoft Windows 事件追蹤 (im_etw)」，其中包含有關為 Microsoft Windows DNS 設定 NXLog的資訊。
   • 如要進一步瞭解 im_msvistalog 輸入模組，請參閱「Microsoft Windows 2008/Vista 以上版本的事件記錄 (im_msvistalog)」。

   以下是 NXLog 設定範例。將 <hostname> 和 <port> 值替換為中央 Microsoft Windows 或 Linux 伺服器的相關資訊。如要選擇將記錄轉換及剖析為 JSON 而非 XML，請將 Exec to_xml(); 行變更為 Exec to_json();。詳情請參閱 NXLog 的 om_tcp 模組說明文件。

   define ROOT C:\Program Files\nxlog
   define WINDNS_OUTPUT_DESTINATION_ADDRESS <hostname>
   define WINDNS_OUTPUT_DESTINATION_PORT <port>
   
   Moduledir   %ROOT%\modules
   CacheDir    %ROOT%\data
   Pidfile     %ROOT%\data\nxlog.pid
   SpoolDir    %ROOT%\data
   LogFile     %ROOT%\data\nxlog.log
   
   <Extension syslog>
       Module      xm_syslog
   </Extension>
   
   # To collect XML logs, use the below NXLog module
   <Extension xml>
       Module      xm_xml
   </Extension>
   
   # To collect JSON logs, use the below NXLog module
   <Extension json>
       Module      xm_json
   </Extension>
   
   <Input eventlog>
       Module      im_etw
       Provider    Microsoft-Windows-DNSServer
   </Input>
   
   <Input auditeventlog>
       Module      im_msvistalog
       <QueryXML>
           <QueryList>
               <Query Id="0" Path="Microsoft-Windows-DNSServer/Audit">
                   <Select Path="Microsoft-Windows-DNSServer/Audit">*</Select>
               </Query>
           </QueryList>
       </QueryXML>
   </Input>
   
   <Output out_chronicle_windns>
       Module      om_tcp
       Host        %WINDNS_OUTPUT_DESTINATION_ADDRESS%
       Port        %WINDNS_OUTPUT_DESTINATION_PORT%
       Exec        $EventTime = integer($EventTime) / 1000;
       Exec        $EventReceivedTime = integer($EventReceivedTime) / 1000;
       Exec        to_xml(); # To collect JSON, use to_json()
   </Output>
   
   <Route analytical_windns_to_chronicle>
       Path    eventlog => out_chronicle_windns
   </Route>
   
   <Route audit_windns_to_chronicle>
       Path    auditeventlog => out_chronicle_windns
   </Route>
   

3. 在中央 Microsoft Windows 或 Linux 伺服器上安裝 Google 安全作業轉寄站。如要瞭解如何安裝及設定轉寄站，請參閱「在 Linux 上安裝及設定轉寄站」或「在 Microsoft Windows 上安裝及設定轉寄站」。

4. 設定 Google Security Operations 轉送程式，將記錄傳送至 Google Security Operations。以下是轉送站設定範例。

     - syslog:
         common:
           enabled: true
           data_type: WINDOWS_DNS
           batch_n_seconds: 10
           batch_n_bytes: 1048576
         tcp_address: 0.0.0.0:10518
         connection_timeout_sec: 60
   

支援的 Windows DNS 記錄格式

Windows DNS 剖析器支援 JSON、XML、SYSLOG + KV 和 SYSLOG 格式的記錄。

支援的 Windows DNS 範例記錄

• JSON：

  {
    "EventTime": 1640073312000,
    "Hostname": "WIN-TEST",
    "Keywords": "4611686018427912192",
    "EventType": "INFO",
    "SeverityValue": 2,
    "Severity": "INFO",
    "EventID": 514,
    "SourceName": "Microsoft-Windows-DNSServer",
    "ProviderGuid": "{EB79061A-A566-4698-9119-3ED2807060E7}",
    "Version": 0,
    "TaskValue": 5,
    "OpcodeValue": 0,
    "RecordNumber": 1,
    "ExecutionProcessID": 2244,
    "ExecutionThreadID": 1448,
    "Channel": "Microsoft-Windows-DNSServer/Audit",
    "Domain": "DNSTEST",
    "AccountName": "Administrator",
    "UserID": "S-1-2-3",
    "AccountType": "User",
    "Message": "The zone dnstest.local was updated. The SecondaryServers setting has been set to deny zone transfers. [virtualization instance: .].",
    "Category": "ZONE_OP",
    "Opcode": "Info",
    "Zone": "dnstest.local",
    "PropertyKey": "SecondaryServers",
    "NewValue": "deny zone transfers",
    "VirtualizationID": ".",
    "EventReceivedTime": 1640073312001,
    "SourceModuleName": "auditeventlog",
    "SourceModuleType": "im_msvistalog"
  }
  
  

• XML：

  <Event>
    <SourceName>Microsoft-Windows-DNSServer</SourceName>
    <ProviderGuid>{EB79061A-A566-4698-9119-3ED2807060E7}
    </ProviderGuid>
    <EventID>256</EventID>
    <Version>0</Version>
    <ChannelID>16</ChannelID>
    <OpcodeValue>0</OpcodeValue>
    <TaskValue>1</TaskValue>
    <Keywords>9223372036854775809</Keywords>
    <EventTime>1640073312000</EventTime>
    <ExecutionProcessID>2476</ExecutionProcessID>
    <ExecutionThreadID>3972</ExecutionThreadID>
    <EventType>INFO</EventType>
    <SeverityValue>2</SeverityValue>
    <Severity>INFO</Severity>
    <Hostname>WIN-TEST</Hostname>
    <Domain>NT AUTHORITY</Domain>
    <AccountName>SYSTEM</AccountName>
    <UserID>S-1-2-3</UserID>
    <AccountType>User</AccountType>
    <Flags>256</Flags>
    <TCP>0</TCP>
    <InterfaceIP>198.51.100.5</InterfaceIP>
    <Source>198.51.100.0</Source>
    <RD>1</RD>
    <QNAME>www.google.com.</QNAME>
    <QTYPE>1</QTYPE>
    <XID>55835</XID>
    <Port>50843</Port>
    <BufferSize>43</BufferSize>
    <PacketData>0xDA1B0100000100000000000006766F727465780464617461096D6963726F736F667403636F6D0000010001</PacketData>
    <AdditionalInfo>.</AdditionalInfo>
    <EventReceivedTime>1640073312001</EventReceivedTime>
    <SourceModuleName>eventlog</SourceModuleName>
    <SourceModuleType>im_etw</SourceModuleType>
  </Event>
  
  

• SYSLOG + KV：

  UDP question info at 00000027580C8220  Socket = 556  Remote addr 198.51.100.1, port 60766  Time Query=559415, Queued=0, Expire=0  Buf length = 0x0fa0 (4000)  Msg length = 0x0044 (68)  Message:    XID       0x49d7    Flags     0x0100      QR        0 (QUESTION)      OPCODE    0 (QUERY)      AA        0      TC        0      RD        1      RA        0      Z         0      CD        0      AD        0      RCODE     0 (NOERROR)    QCOUNT    1    ACOUNT    0    NSCOUNT   0    ARCOUNT   0    QUESTION SECTION:    Offset = 0x000c, RR count = 0    Name      \"(5)_ldap(4)_tcp(4)INMS(6)_sites(14)ForestDnsZones(8)genmills(3)com(0)\"      QTYPE   SRV (33)      QCLASS  1    ANSWER SECTION:      empty    AUTHORITY SECTION:      empty    ADDITIONAL SECTION:      empty
  

• SYSLOG

  29.11.2023 14:13:11 1B14 PACKET 00000274481BF1B0 UDP Snd 198.51.100.0 14fc Q [0001 D NOERROR] A (23)win-dns(10)westeurope(8)test(5)azure(3)com(0)
  

欄位對應參考資料：裝置記錄欄位與 UDM 欄位

本節說明剖析器如何將原始裝置記錄欄位對應至統合式資料模型 (UDM) 欄位。

常用欄位

NXLog 欄位	UDM 欄位	註解
SourceName	metadata.vendor_name = "Microsoft" metadata.product_name = "Windows DNS Server"
EventID	security_result.rule_name	Stored as "EventID: %{EventID}". In events with Error and Warning level, the field is_alert is set to true.
Severity	security_result.severity	The values are mapped to the UDM field enum as follows: 0 (None) - UNKNOWN_SEVERITY 1 (Critical) - INFORMATIONAL 2 (Error) - ERROR 3 (Warning) - ERROR 4 (Informational) - INFORMATIONAL 5 (Verbose) - INFORMATIONAL
EventTime	metadata.event_timestamp
ExecutionProcessID	principal.process.pid / target.process.pid	Value stored in target.process.pid for the following Event IDs 256, 259, 261, 263, 266, 268, 270, 272, 273, 275, 278, 279, 280. Value stored in principal.process.pid for all other Event IDs.
Channel	metadata.product_event_type
Hostname	principal.hostname / target.hostname	Value stored in target.hostname for the following Event IDs: 256, 259, 261, 263, 266, 268, 270, 272, 273, 275, 278, 279, 280. Value stored in principal.hostname from all other Event IDs.
UserID	principal.user.windows_sid / target.user.windows_sid	Stored in target.user.windows_sid for the following Event IDs: 256, 259, 261, 263, 266, 268, 270, 272,273, 275, 278, 279, 280. Stored in principal.user.windows_sid for all other Event IDs

數據分析記錄檔

原始記錄檔欄位	UDM 欄位	註解
AA	network.dns.authoritative
Destination	target.ip / principal.ip	Populated in either principal and target.
InterfaceIP	target.ip / principal.ip	Stores DNS Server's IP address in target.ip for following Event IDs, 256, 259, 261, 263, 266, 268, 270, 272, 273, 275, 278, 279, 280. Stored in principal.ip for all other Event IDs (DNS response).
PacketData	network.dns.answers.binary_data
Port	target.port / principal.port
QNAME	network.dns.questions.name, target.hostname	Do not store QNAME in target.hostname for following Event IDs: 256, 259, 261, 263, 266, 268, 270, 272, 273, 275, 278, 279, and 280
QTYPE	network.dns.questions.type
RCODE	network.dns.response_code
RD	network.dns.recursion_desired
Reason	security_result.summary
Source	principal.ip / target.ip	Source IPv4/IPv6 address of the machine that initiated the DNS request. Stored in target.ip for Event ID 274. Stored in target.ip for Event ID 265 and 269. InterfaceIP contains the secondary server's IP address (principal) and Source (target) is the primary server's IP address.
TCP	network.ip_protocol
XID	network.dns.id

稽核記錄

原始記錄檔欄位	UDM 欄位	注意事項
Name	target.resource.name	Value is collected from events with Event ID 512.
Policy	target.resource.name	Value is collected from events with Event ID 577, 578, 579, 580, 581, and 582, which are mapped to the SETTING_* event types.
QNAME	network.dns.questions.name, target.hostname
QTYPE	network.dns.questions.type
RecursionScope	target.resource.name	Value is collected from events with Event IDs mapped to SETTING_* event types.
Scope	target.resource.name	Value is collected from events with Event IDs mapped to SETTING_* event types.
Setting	target.resource.name	Value is collected from events with Event IDs mapped to SETTING_* event types.
Source	principal.ip
Zone	target.resource.name	Value is collected from events with Event IDs mapped to SETTING_* event types.
ZoneScope	target.resource.name	Value is collected from events with Event IDs mapped to SETTING_* event types.

SourceModuleType im_file 記錄

原始記錄檔欄位	UDM 欄位	注意事項
EventReceivedTime	metadata.collected_timestamp
Expire	about.labels (deprecated)
Expire	additional.fields
InternalPacketIdentifier	about.labels (deprecated)
InternalPacketIdentifier	additional.fields
	about.labels (deprecated)	Grok: Extracted the internal_packet_identifier field from the raw log and then mapped the internal_packet_identifier field to the about.labels UDM field.
	additional.fields	Grok: Extracted the internal_packet_identifier field from the raw log and then mapped the internal_packet_identifier field to the additional.fields UDM field.
packet_identifier	about.labels (deprecated)
packet_identifier	additional.fields
LogInfo	metadata.description
PortNum	principal.port
Queued	about.labels (deprecated)
Queued	additional.fields
Socket	principal.labels (deprecated)
Socket	additional.fields
TimeQuery	about.labels (deprecated)
TimeQuery	additional.fields
BufLen	about.labels (deprecated)
BufLen	additional.fields
Opcode	network.dns.opcode	If the Opcode log field value is equal to Q, then the network.dns.opcode UDM field is set to 0. Else, if the Opcode log field value is equal to I, then the network.dns.opcode UDM field is set to 1. Else, if the Opcode log field value is equal to S, then the network.dns.opcode UDM field is set to 2. Else, if the Opcode log field value is equal to N, then the network.dns.opcode UDM field is set to 4. Else, if the Opcode log field value is equal to U, then the network.dns.opcode UDM field is set to 5.
opcode	network.dns.opcode	Grok: Extracted the opcode field from the raw log. If the opcode field value is equal to Q, then the network.dns.opcode UDM field is set to 0. Else, if the opcode field value is equal to I, then the network.dns.opcode UDM field is set to 1. Else, if the opcode field value is equal to S, then the network.dns.opcode UDM field is set to 2. Else, if the opcode field value is equal to N, then the network.dns.opcode UDM field is set to 4. Else, if the opcode field value is equal to U, then the network.dns.opcode UDM field is set to 5.
Protocol	network.ip_protocol	If the Protocol log field value is equal to 1 or ICMP, then the network.ip_protocol UDM field is set to ICMP. Else, if the Protocol log field value is equal to 2 or IGMP, then the network.ip_protocol UDM field is set to IGMP. Else, if the Protocol log field value is equal to 6 or TCP, then the network.ip_protocol UDM field is set to TCP. Else, if the Protocol log field value is equal to 17 or UDP, then the network.ip_protocol UDM field is set to UDP. Else, if the Protocol log field value is equal to 41 or IP6IN4, then the network.ip_protocol UDM field is set to IP6IN4. Else, if the Protocol log field value is equal to 47 or GRE, then the network.ip_protocol UDM field is set to GRE. Else, if the Protocol log field value is equal to 50 or ESP, then the network.ip_protocol UDM field is set to ESP. Else, if the Protocol log field value is equal to 88 or EIGRP, then the network.ip_protocol UDM field is set to EIGRP. Else, if the Protocol log field value is equal to 97 or ETHERIP, then the network.ip_protocol UDM field is set to ETHERIP. Else, if the Protocol log field value is equal to 103 or PIM, then the network.ip_protocol UDM field is set to PIM. Else, if the Protocol log field value is equal to 112 or VRRP, then the network.ip_protocol UDM field is set to VRRP.
	network.ip_protocol	Grok: Extracted the ip_protocol field from the raw log. If the ip_protocol field value is equal to 1 or ICMP, then the network.ip_protocol UDM field is set to ICMP. Else, if the ip_protocol field value is equal to 2 or IGMP, then the network.ip_protocol UDM field is set to IGMP. Else, if the ip_protocol field value is equal to 6 or TCP, then the network.ip_protocol UDM field is set to TCP. Else, if the ip_protocol field value is equal to 17 or UDP, then the network.ip_protocol UDM field is set to UDP. Else, if the ip_protocol field value is equal to 41 or IP6IN4, then the network.ip_protocol UDM field is set to IP6IN4. Else, if the ip_protocol field value is equal to 47 or GRE, then the network.ip_protocol UDM field is set to GRE. Else, if the ip_protocol field value is equal to 50 or ESP, then the network.ip_protocol UDM field is set to ESP. Else, if the ip_protocol field value is equal to 88 or EIGRP, then the network.ip_protocol UDM field is set to EIGRP. Else, if the ip_protocol field value is equal to 97 or ETHERIP, then the network.ip_protocol UDM field is set to ETHERIP. Else, if the ip_protocol field value is equal to 103 or PIM, then the network.ip_protocol UDM field is set to PIM. Else, if the ip_protocol field value is equal to 112 or VRRP, then the network.ip_protocol UDM field is set to VRRP.
	network.dns.response_code	Grok: Extracted the dns_response_code field from the raw log. If the dns_response_code field value is equal to NOERROR, then the network.dns.response_code UDM field is set to 0. Else, if the dns_response_code field value is equal to FORMERR, then the network.dns.response_code UDM field is set to 1. Else, if the dns_response_code field value is equal to SERVFAIL, then the network.dns.response_code UDM field is set to 2. Else, if the dns_response_code field value is equal to NXDOMAIN, then the network.dns.response_code UDM field is set to 3. Else, if the dns_response_code field value is equal to NOTIMP, then the network.dns.response_code UDM field is set to 4. Else, if the dns_response_code field value is equal to REFUSED, then the network.dns.response_code UDM field is set to 5. Else, if the dns_response_code field value is equal to YXDOMAIN, then the network.dns.response_code UDM field is set to 6. Else, if the dns_response_code field value is equal to YXRRSET, then the network.dns.response_code UDM field is set to 7. Else, if the dns_response_code field value is equal to NXRRSET, then the network.dns.response_code UDM field is set to 8. Else, if the dns_response_code field value is equal to NOTAUTH, then the network.dns.response_code UDM field is set to 9. Else, if the dns_response_code field value is equal to NOTZONE, then the network.dns.response_code UDM field is set to 10. Else, if the dns_response_code field value is equal to DSOTYPENI, then the network.dns.response_code UDM field is set to 11. Else, if the dns_response_code field value is equal to BADVERS, then the network.dns.response_code UDM field is set to 16. Else, if the dns_response_code field value is equal to BADSIG, then the network.dns.response_code UDM field is set to 16. Else, if the dns_response_code field value is equal to BADKEY, then the network.dns.response_code UDM field is set to 17. Else, if the dns_response_code field value is equal to BADTIME, then the network.dns.response_code UDM field is set to 18. Else, if the dns_response_code field value is equal to BADMODE, then the network.dns.response_code UDM field is set to 19. Else, if the dns_response_code field value is equal to BADNAME, then the network.dns.response_code UDM field is set to 20. Else, if the dns_response_code field value is equal to BADALG, then the network.dns.response_code UDM field is set to 21. Else, if the dns_response_code field value is equal to BADTRUNC, then the network.dns.response_code UDM field is set to 22. Else, if the dns_response_code field value is equal to BADCOOKIE, then the network.dns.response_code UDM field is set to 23.
	network.dns.authoritative	Grok: Extracted the authoritative field from the raw log. If the authoritative field value is equal to A, then the network.dns.authoritative UDM field is set to true.
	network.dns.truncated	Grok: Extracted the truncated field from the raw log. If the truncated field value is equal to T, then the network.dns.truncated UDM field is set to true.
	network.dns.recursion_desired	Grok: Extracted the recursion_desired field from the raw log. If the recursion_desired field value is equal to D, then the network.dns.recursion_desired UDM field is set to true.
	network.dns.recursion_available	Grok: Extracted the recursion_available field from the raw log. If the recursion_available field value is equal to R, then the network.dns.recursion_available UDM field is set to true.
QueryType	network.dns.response	If the QueryType log field value is equal to R, then the network.dns.response UDM field is set to true. Else, the network.dns.response UDM field is set to false.
req_or_resp	network.dns.response	Grok: Extracted the req_or_resp field from the raw log. If the req_or_resp field value is equal to R, then the network.dns.response UDM field is set to true. Else, the network.dns.response UDM field is set to false.
QuestionName	network.dns.questions.name, target.hostname
domain	network.dns.questions.name, target.hostname	Grok: Extracted the domain field from the raw log and then mapped the domain field to the network.dns.questions.name and target.hostname UDM field.
QuestionType	network.dns.questions.type	If the QuestionType field value is equal to A, then the network.dns.question.type UDM field is set to 1. Else, if the QuestionType field value is equal to NS, then the network.dns.question.type UDM field is set to 2. Else, if the QuestionType field value is equal to MD, then the network.dns.question.type UDM field is set to 3. Else, if the QuestionType field value is equal to MF, then the network.dns.question.type UDM field is set to 4. Else, if the QuestionType field value is equal to CNAME, then the network.dns.question.type UDM field is set to 5. Else, if the QuestionType field value is equal to SOA, then the network.dns.question.type UDM field is set to 6. Else, if the QuestionType field value is equal to MB, then the network.dns.question.type UDM field is set to 7. Else, if the QuestionType field value is equal to MG, then the network.dns.question.type UDM field is set to 8. Else, if the QuestionType field value is equal to MR, then the network.dns.question.type UDM field is set to 9. Else, if the QuestionType field value is equal to NULL, then the network.dns.question.type UDM field is set to 10. Else, if the QuestionType field value is equal to WKS, then the network.dns.question.type UDM field is set to 11. Else, if the QuestionType field value is equal to PTR, then the network.dns.question.type UDM field is set to 12. Else, if the QuestionType field value is equal to HINFO, then the network.dns.question.type UDM field is set to 13. Else, if the QuestionType field value is equal to MINFO, then the network.dns.question.type UDM field is set to 14. Else, if the QuestionType field value is equal to MX, then the network.dns.question.type UDM field is set to 15. Else, if the QuestionType field value is equal to TXT, then the network.dns.question.type UDM field is set to 16. Else, if the QuestionType field value is equal to RP, then the network.dns.question.type UDM field is set to 17. Else, if the QuestionType field value is equal to AFSDB, then the network.dns.question.type UDM field is set to 18. Else, if the QuestionType field value is equal to X25, then the network.dns.question.type UDM field is set to 19. Else, if the QuestionType field value is equal to ISDN, then the network.dns.question.type UDM field is set to 20. Else, if the QuestionType field value is equal to RT, then the network.dns.question.type UDM field is set to 21. Else, if the QuestionType field value is equal to NSAP, then the network.dns.question.type UDM field is set to 22. Else, if the QuestionType field value is equal to NSAP-PT, then the network.dns.question.type UDM field is set to 23. Else, if the QuestionType field value is equal to SIG, then the network.dns.question.type UDM field is set to 24. Else, if the QuestionType field value is equal to KEY, then the network.dns.question.type UDM field is set to 25. Else, if the QuestionType field value is equal to PX, then the network.dns.question.type UDM field is set to 26. Else, if the QuestionType field value is equal to GPOS, then the network.dns.question.type UDM field is set to 27. Else, if the QuestionType field value is equal to AAAA, then the network.dns.question.type UDM field is set to 28. Else, if the QuestionType field value is equal to LOC, then the network.dns.question.type UDM field is set to 29. Else, if the QuestionType field value is equal to NXT, then the network.dns.question.type UDM field is set to 30. Else, if the QuestionType field value is equal to EID, then the network.dns.question.type UDM field is set to 31. Else, if the QuestionType field value is equal to NIMLOC, then the network.dns.question.type UDM field is set to 32. Else, if the QuestionType field value is equal to SRV, then the network.dns.question.type UDM field is set to 33. Else, if the QuestionType field value is equal to ATMA, then the network.dns.question.type UDM field is set to 34. Else, if the QuestionType field value is equal to NAPTR, then the network.dns.question.type UDM field is set to 35. Else, if the QuestionType field value is equal to KX, then the network.dns.question.type UDM field is set to 36. Else, if the QuestionType field value is equal to CERT, then the network.dns.question.type UDM field is set to 37. Else, if the QuestionType field value is equal to A6, then the network.dns.question.type UDM field is set to 38. Else, if the QuestionType field value is equal to DNAME, then the network.dns.question.type UDM field is set to 39. Else, if the QuestionType field value is equal to SINK, then the network.dns.question.type UDM field is set to 40. Else, if the QuestionType field value is equal to OPT, then the network.dns.question.type UDM field is set to 41. Else, if the QuestionType field value is equal to APL, then the network.dns.question.type UDM field is set to 42. Else, if the QuestionType field value is equal to DS, then the network.dns.question.type UDM field is set to 43. Else, if the QuestionType field value is equal to SSHFP, then the network.dns.question.type UDM field is set to 44. Else, if the QuestionType field value is equal to IPSECKE, then the network.dns.question.type UDM field is set to 45. Else, if the QuestionType field value is equal to RRSIG, then the network.dns.question.type UDM field is set to 46. Else, if the QuestionType field value is equal to NSEC, then the network.dns.question.type UDM field is set to 47. Else, if the QuestionType field value is equal to DNSKEY, then the network.dns.question.type UDM field is set to 48. Else, if the QuestionType field value is equal to DHCID, then the network.dns.question.type UDM field is set to 49. Else, if the QuestionType field value is equal to NSEC3, then the network.dns.question.type UDM field is set to 50. Else, if the QuestionType field value is equal to NSEC3PA, then the network.dns.question.type UDM field is set to 51. Else, if the QuestionType field value is equal to TLSA, then the network.dns.question.type UDM field is set to 52. Else, if the QuestionType field value is equal to SMIMEA, then the network.dns.question.type UDM field is set to 53. Else, if the QuestionType field value is equal to UNASSIG, then the network.dns.question.type UDM field is set to 54. Else, if the QuestionType field value is equal to HIP, then the network.dns.question.type UDM field is set to 55. Else, if the QuestionType field value is equal to NINFO, then the network.dns.question.type UDM field is set to 56. Else, if the QuestionType field value is equal to RKEY, then the network.dns.question.type UDM field is set to 57. Else, if the QuestionType field value is equal to TALINK, then the network.dns.question.type UDM field is set to 58. Else, if the QuestionType field value is equal to CDS, then the network.dns.question.type UDM field is set to 59. Else, if the QuestionType field value is equal to CDNSKEY, then the network.dns.question.type UDM field is set to 60. Else, if the QuestionType field value is equal to OPENPGP, then the network.dns.question.type UDM field is set to 61. Else, if the QuestionType field value is equal to CSYNC, then the network.dns.question.type UDM field is set to 62. Else, if the QuestionType field value is equal to ZONEMD, then the network.dns.question.type UDM field is set to 63. Else, if the QuestionType field value is equal to SVCB, then the network.dns.question.type UDM field is set to 64. Else, if the QuestionType field value is equal to HTTPS, then the network.dns.question.type UDM field is set to 65. Else, if the QuestionType field value is equal to SPF, then the network.dns.question.type UDM field is set to 99. Else, if the QuestionType field value is equal to UINFO, then the network.dns.question.type UDM field is set to 100. Else, if the QuestionType field value is equal to UID, then the network.dns.question.type UDM field is set to 101. Else, if the QuestionType field value is equal to GID, then the network.dns.question.type UDM field is set to 102. Else, if the QuestionType field value is equal to UNSPEC, then the network.dns.question.type UDM field is set to 103. Else, if the QuestionType field value is equal to NID, then the network.dns.question.type UDM field is set to 104. Else, if the QuestionType field value is equal to L32, then the network.dns.question.type UDM field is set to 105. Else, if the QuestionType field value is equal to L64, then the network.dns.question.type UDM field is set to 106. Else, if the QuestionType field value is equal to LP, then the network.dns.question.type UDM field is set to 107. Else, if the QuestionType field value is equal to EUI48, then the network.dns.question.type UDM field is set to 108. Else, if the QuestionType field value is equal to EUI64, then the network.dns.question.type UDM field is set to 109. Else, if the QuestionType field value is equal to TKEY, then the network.dns.question.type UDM field is set to 249. Else, if the QuestionType field value is equal to TSIG, then the network.dns.question.type UDM field is set to 250. Else, if the QuestionType field value is equal to IXFR, then the network.dns.question.type UDM field is set to 251. Else, if the QuestionType field value is equal to AXFR, then the network.dns.question.type UDM field is set to 252. Else, if the QuestionType field value is equal to MAILB, then the network.dns.question.type UDM field is set to 253. Else, if the QuestionType field value is equal to MAILA, then the network.dns.question.type UDM field is set to 254. Else, if the QuestionType field value is equal to ALL, then the network.dns.question.type UDM field is set to 255. Else, if the QuestionType field value is equal to URI, then the network.dns.question.type UDM field is set to 256. Else, if the QuestionType field value is equal to CAA, then the network.dns.question.type UDM field is set to 257. Else, if the QuestionType field value is equal to AVC, then the network.dns.question.type UDM field is set to 258. Else, if the QuestionType field value is equal to DOA, then the network.dns.question.type UDM field is set to 259. Else, if the QuestionType field value is equal to AMTRELA, then the network.dns.question.type UDM field is set to 260. Else, if the QuestionType field value is equal to TA, then the network.dns.question.type UDM field is set to 32768. Else, if the QuestionType field value is equal to DLV, then the network.dns.question.type UDM field is set to 32769.
	network.dns.questions.type	Grok: Extracted the dns_record_type field from the raw log. If the dns_record_type field value is equal to A, then the network.dns.question.type UDM field is set to 1. Else, if the dns_record_type field value is equal to NS, then the network.dns.question.type UDM field is set to 2. Else, if the dns_record_type field value is equal to MD, then the network.dns.question.type UDM field is set to 3. Else, if the dns_record_type field value is equal to MF, then the network.dns.question.type UDM field is set to 4. Else, if the dns_record_type field value is equal to CNAME, then the network.dns.question.type UDM field is set to 5. Else, if the dns_record_type field value is equal to SOA, then the network.dns.question.type UDM field is set to 6. Else, if the dns_record_type field value is equal to MB, then the network.dns.question.type UDM field is set to 7. Else, if the dns_record_type field value is equal to MG, then the network.dns.question.type UDM field is set to 8. Else, if the dns_record_type field value is equal to MR, then the network.dns.question.type UDM field is set to 9. Else, if the dns_record_type field value is equal to NULL, then the network.dns.question.type UDM field is set to 10. Else, if the dns_record_type field value is equal to WKS, then the network.dns.question.type UDM field is set to 11. Else, if the dns_record_type field value is equal to PTR, then the network.dns.question.type UDM field is set to 12. Else, if the dns_record_type field value is equal to HINFO, then the network.dns.question.type UDM field is set to 13. Else, if the dns_record_type field value is equal to MINFO, then the network.dns.question.type UDM field is set to 14. Else, if the dns_record_type field value is equal to MX, then the network.dns.question.type UDM field is set to 15. Else, if the dns_record_type field value is equal to TXT, then the network.dns.question.type UDM field is set to 16. Else, if the dns_record_type field value is equal to RP, then the network.dns.question.type UDM field is set to 17. Else, if the dns_record_type field value is equal to AFSDB, then the network.dns.question.type UDM field is set to 18. Else, if the dns_record_type field value is equal to X25, then the network.dns.question.type UDM field is set to 19. Else, if the dns_record_type field value is equal to ISDN, then the network.dns.question.type UDM field is set to 20. Else, if the dns_record_type field value is equal to RT, then the network.dns.question.type UDM field is set to 21. Else, if the dns_record_type field value is equal to NSAP, then the network.dns.question.type UDM field is set to 22. Else, if the dns_record_type field value is equal to NSAP-PT, then the network.dns.question.type UDM field is set to 23. Else, if the dns_record_type field value is equal to SIG, then the network.dns.question.type UDM field is set to 24. Else, if the dns_record_type field value is equal to KEY, then the network.dns.question.type UDM field is set to 25. Else, if the dns_record_type field value is equal to PX, then the network.dns.question.type UDM field is set to 26. Else, if the dns_record_type field value is equal to GPOS, then the network.dns.question.type UDM field is set to 27. Else, if the dns_record_type field value is equal to AAAA, then the network.dns.question.type UDM field is set to 28. Else, if the dns_record_type field value is equal to LOC, then the network.dns.question.type UDM field is set to 29. Else, if the dns_record_type field value is equal to NXT, then the network.dns.question.type UDM field is set to 30. Else, if the dns_record_type field value is equal to EID, then the network.dns.question.type UDM field is set to 31. Else, if the dns_record_type field value is equal to NIMLOC, then the network.dns.question.type UDM field is set to 32. Else, if the dns_record_type field value is equal to SRV, then the network.dns.question.type UDM field is set to 33. Else, if the dns_record_type field value is equal to ATMA, then the network.dns.question.type UDM field is set to 34. Else, if the dns_record_type field value is equal to NAPTR, then the network.dns.question.type UDM field is set to 35. Else, if the dns_record_type field value is equal to KX, then the network.dns.question.type UDM field is set to 36. Else, if the dns_record_type field value is equal to CERT, then the network.dns.question.type UDM field is set to 37. Else, if the dns_record_type field value is equal to A6, then the network.dns.question.type UDM field is set to 38. Else, if the dns_record_type field value is equal to DNAME, then the network.dns.question.type UDM field is set to 39. Else, if the dns_record_type field value is equal to SINK, then the network.dns.question.type UDM field is set to 40. Else, if the dns_record_type field value is equal to OPT, then the network.dns.question.type UDM field is set to 41. Else, if the dns_record_type field value is equal to APL, then the network.dns.question.type UDM field is set to 42. Else, if the dns_record_type field value is equal to DS, then the network.dns.question.type UDM field is set to 43. Else, if the dns_record_type field value is equal to SSHFP, then the network.dns.question.type UDM field is set to 44. Else, if the dns_record_type field value is equal to IPSECKE, then the network.dns.question.type UDM field is set to 45. Else, if the dns_record_type field value is equal to RRSIG, then the network.dns.question.type UDM field is set to 46. Else, if the dns_record_type field value is equal to NSEC, then the network.dns.question.type UDM field is set to 47. Else, if the dns_record_type field value is equal to DNSKEY, then the network.dns.question.type UDM field is set to 48. Else, if the dns_record_type field value is equal to DHCID, then the network.dns.question.type UDM field is set to 49. Else, if the dns_record_type field value is equal to NSEC3, then the network.dns.question.type UDM field is set to 50. Else, if the dns_record_type field value is equal to NSEC3PA, then the network.dns.question.type UDM field is set to 51. Else, if the dns_record_type field value is equal to TLSA, then the network.dns.question.type UDM field is set to 52. Else, if the dns_record_type field value is equal to SMIMEA, then the network.dns.question.type UDM field is set to 53. Else, if the dns_record_type field value is equal to UNASSIG, then the network.dns.question.type UDM field is set to 54. Else, if the dns_record_type field value is equal to HIP, then the network.dns.question.type UDM field is set to 55. Else, if the dns_record_type field value is equal to NINFO, then the network.dns.question.type UDM field is set to 56. Else, if the dns_record_type field value is equal to RKEY, then the network.dns.question.type UDM field is set to 57. Else, if the dns_record_type field value is equal to TALINK, then the network.dns.question.type UDM field is set to 58. Else, if the dns_record_type field value is equal to CDS, then the network.dns.question.type UDM field is set to 59. Else, if the dns_record_type field value is equal to CDNSKEY, then the network.dns.question.type UDM field is set to 60. Else, if the dns_record_type field value is equal to OPENPGP, then the network.dns.question.type UDM field is set to 61. Else, if the dns_record_type field value is equal to CSYNC, then the network.dns.question.type UDM field is set to 62. Else, if the dns_record_type field value is equal to ZONEMD, then the network.dns.question.type UDM field is set to 63. Else, if the dns_record_type field value is equal to SVCB, then the network.dns.question.type UDM field is set to 64. Else, if the dns_record_type field value is equal to HTTPS, then the network.dns.question.type UDM field is set to 65. Else, if the dns_record_type field value is equal to SPF, then the network.dns.question.type UDM field is set to 99. Else, if the dns_record_type field value is equal to UINFO, then the network.dns.question.type UDM field is set to 100. Else, if the dns_record_type field value is equal to UID, then the network.dns.question.type UDM field is set to 101. Else, if the dns_record_type field value is equal to GID, then the network.dns.question.type UDM field is set to 102. Else, if the dns_record_type field value is equal to UNSPEC, then the network.dns.question.type UDM field is set to 103. Else, if the dns_record_type field value is equal to NID, then the network.dns.question.type UDM field is set to 104. Else, if the dns_record_type field value is equal to L32, then the network.dns.question.type UDM field is set to 105. Else, if the dns_record_type field value is equal to L64, then the network.dns.question.type UDM field is set to 106. Else, if the dns_record_type field value is equal to LP, then the network.dns.question.type UDM field is set to 107. Else, if the dns_record_type field value is equal to EUI48, then the network.dns.question.type UDM field is set to 108. Else, if the dns_record_type field value is equal to EUI64, then the network.dns.question.type UDM field is set to 109. Else, if the dns_record_type field value is equal to TKEY, then the network.dns.question.type UDM field is set to 249. Else, if the dns_record_type field value is equal to TSIG, then the network.dns.question.type UDM field is set to 250. Else, if the dns_record_type field value is equal to IXFR, then the network.dns.question.type UDM field is set to 251. Else, if the dns_record_type field value is equal to AXFR, then the network.dns.question.type UDM field is set to 252. Else, if the dns_record_type field value is equal to MAILB, then the network.dns.question.type UDM field is set to 253. Else, if the dns_record_type field value is equal to MAILA, then the network.dns.question.type UDM field is set to 254. Else, if the dns_record_type field value is equal to ALL, then the network.dns.question.type UDM field is set to 255. Else, if the dns_record_type field value is equal to URI, then the network.dns.question.type UDM field is set to 256. Else, if the dns_record_type field value is equal to CAA, then the network.dns.question.type UDM field is set to 257. Else, if the dns_record_type field value is equal to AVC, then the network.dns.question.type UDM field is set to 258. Else, if the dns_record_type field value is equal to DOA, then the network.dns.question.type UDM field is set to 259. Else, if the dns_record_type field value is equal to AMTRELA, then the network.dns.question.type UDM field is set to 260. Else, if the dns_record_type field value is equal to TA, then the network.dns.question.type UDM field is set to 32768. Else, if the dns_record_type field value is equal to DLV, then the network.dns.question.type UDM field is set to 32769.
dns_record_name	network.dns.questions.type	If the dns_record_name field value is equal to A, then the network.dns.question.type UDM field is set to 1. Else, if the dns_record_name field value is equal to NS, then the network.dns.question.type UDM field is set to 2. Else, if the dns_record_name field value is equal to MD, then the network.dns.question.type UDM field is set to 3. Else, if the dns_record_name field value is equal to MF, then the network.dns.question.type UDM field is set to 4. Else, if the dns_record_name field value is equal to CNAME, then the network.dns.question.type UDM field is set to 5. Else, if the dns_record_name field value is equal to SOA, then the network.dns.question.type UDM field is set to 6. Else, if the dns_record_name field value is equal to MB, then the network.dns.question.type UDM field is set to 7. Else, if the dns_record_name field value is equal to MG, then the network.dns.question.type UDM field is set to 8. Else, if the dns_record_name field value is equal to MR, then the network.dns.question.type UDM field is set to 9. Else, if the dns_record_name field value is equal to NULL, then the network.dns.question.type UDM field is set to 10. Else, if the dns_record_name field value is equal to WKS, then the network.dns.question.type UDM field is set to 11. Else, if the dns_record_name field value is equal to PTR, then the network.dns.question.type UDM field is set to 12. Else, if the dns_record_name field value is equal to HINFO, then the network.dns.question.type UDM field is set to 13. Else, if the dns_record_name field value is equal to MINFO, then the network.dns.question.type UDM field is set to 14. Else, if the dns_record_name field value is equal to MX, then the network.dns.question.type UDM field is set to 15. Else, if the dns_record_name field value is equal to TXT, then the network.dns.question.type UDM field is set to 16. Else, if the dns_record_name field value is equal to RP, then the network.dns.question.type UDM field is set to 17. Else, if the dns_record_name field value is equal to AFSDB, then the network.dns.question.type UDM field is set to 18. Else, if the dns_record_name field value is equal to X25, then the network.dns.question.type UDM field is set to 19. Else, if the dns_record_name field value is equal to ISDN, then the network.dns.question.type UDM field is set to 20. Else, if the dns_record_name field value is equal to RT, then the network.dns.question.type UDM field is set to 21. Else, if the dns_record_name field value is equal to NSAP, then the network.dns.question.type UDM field is set to 22. Else, if the dns_record_name field value is equal to NSAP-PT, then the network.dns.question.type UDM field is set to 23. Else, if the dns_record_name field value is equal to SIG, then the network.dns.question.type UDM field is set to 24. Else, if the dns_record_name field value is equal to KEY, then the network.dns.question.type UDM field is set to 25. Else, if the dns_record_name field value is equal to PX, then the network.dns.question.type UDM field is set to 26. Else, if the dns_record_name field value is equal to GPOS, then the network.dns.question.type UDM field is set to 27. Else, if the dns_record_name field value is equal to AAAA, then the network.dns.question.type UDM field is set to 28. Else, if the dns_record_name field value is equal to LOC, then the network.dns.question.type UDM field is set to 29. Else, if the dns_record_name field value is equal to NXT, then the network.dns.question.type UDM field is set to 30. Else, if the dns_record_name field value is equal to EID, then the network.dns.question.type UDM field is set to 31. Else, if the dns_record_name field value is equal to NIMLOC, then the network.dns.question.type UDM field is set to 32. Else, if the dns_record_name field value is equal to SRV, then the network.dns.question.type UDM field is set to 33. Else, if the dns_record_name field value is equal to ATMA, then the network.dns.question.type UDM field is set to 34. Else, if the dns_record_name field value is equal to NAPTR, then the network.dns.question.type UDM field is set to 35. Else, if the dns_record_name field value is equal to KX, then the network.dns.question.type UDM field is set to 36. Else, if the dns_record_name field value is equal to CERT, then the network.dns.question.type UDM field is set to 37. Else, if the dns_record_name field value is equal to A6, then the network.dns.question.type UDM field is set to 38. Else, if the dns_record_name field value is equal to DNAME, then the network.dns.question.type UDM field is set to 39. Else, if the dns_record_name field value is equal to SINK, then the network.dns.question.type UDM field is set to 40. Else, if the dns_record_name field value is equal to OPT, then the network.dns.question.type UDM field is set to 41. Else, if the dns_record_name field value is equal to APL, then the network.dns.question.type UDM field is set to 42. Else, if the dns_record_name field value is equal to DS, then the network.dns.question.type UDM field is set to 43. Else, if the dns_record_name field value is equal to SSHFP, then the network.dns.question.type UDM field is set to 44. Else, if the dns_record_name field value is equal to IPSECKE, then the network.dns.question.type UDM field is set to 45. Else, if the dns_record_name field value is equal to RRSIG, then the network.dns.question.type UDM field is set to 46. Else, if the dns_record_name field value is equal to NSEC, then the network.dns.question.type UDM field is set to 47. Else, if the dns_record_name field value is equal to DNSKEY, then the network.dns.question.type UDM field is set to 48. Else, if the dns_record_name field value is equal to DHCID, then the network.dns.question.type UDM field is set to 49. Else, if the dns_record_name field value is equal to NSEC3, then the network.dns.question.type UDM field is set to 50. Else, if the dns_record_name field value is equal to NSEC3PA, then the network.dns.question.type UDM field is set to 51. Else, if the dns_record_name field value is equal to TLSA, then the network.dns.question.type UDM field is set to 52. Else, if the dns_record_name field value is equal to SMIMEA, then the network.dns.question.type UDM field is set to 53. Else, if the dns_record_name field value is equal to UNASSIG, then the network.dns.question.type UDM field is set to 54. Else, if the dns_record_name field value is equal to HIP, then the network.dns.question.type UDM field is set to 55. Else, if the dns_record_name field value is equal to NINFO, then the network.dns.question.type UDM field is set to 56. Else, if the dns_record_name field value is equal to RKEY, then the network.dns.question.type UDM field is set to 57. Else, if the dns_record_name field value is equal to TALINK, then the network.dns.question.type UDM field is set to 58. Else, if the dns_record_name field value is equal to CDS, then the network.dns.question.type UDM field is set to 59. Else, if the dns_record_name field value is equal to CDNSKEY, then the network.dns.question.type UDM field is set to 60. Else, if the dns_record_name field value is equal to OPENPGP, then the network.dns.question.type UDM field is set to 61. Else, if the dns_record_name field value is equal to CSYNC, then the network.dns.question.type UDM field is set to 62. Else, if the dns_record_name field value is equal to ZONEMD, then the network.dns.question.type UDM field is set to 63. Else, if the dns_record_name field value is equal to SVCB, then the network.dns.question.type UDM field is set to 64. Else, if the dns_record_name field value is equal to HTTPS, then the network.dns.question.type UDM field is set to 65. Else, if the dns_record_name field value is equal to SPF, then the network.dns.question.type UDM field is set to 99. Else, if the dns_record_name field value is equal to UINFO, then the network.dns.question.type UDM field is set to 100. Else, if the dns_record_name field value is equal to UID, then the network.dns.question.type UDM field is set to 101. Else, if the dns_record_name field value is equal to GID, then the network.dns.question.type UDM field is set to 102. Else, if the dns_record_name field value is equal to UNSPEC, then the network.dns.question.type UDM field is set to 103. Else, if the dns_record_name field value is equal to NID, then the network.dns.question.type UDM field is set to 104. Else, if the dns_record_name field value is equal to L32, then the network.dns.question.type UDM field is set to 105. Else, if the dns_record_name field value is equal to L64, then the network.dns.question.type UDM field is set to 106. Else, if the dns_record_name field value is equal to LP, then the network.dns.question.type UDM field is set to 107. Else, if the dns_record_name field value is equal to EUI48, then the network.dns.question.type UDM field is set to 108. Else, if the dns_record_name field value is equal to EUI64, then the network.dns.question.type UDM field is set to 109. Else, if the dns_record_name field value is equal to TKEY, then the network.dns.question.type UDM field is set to 249. Else, if the dns_record_name field value is equal to TSIG, then the network.dns.question.type UDM field is set to 250. Else, if the dns_record_name field value is equal to IXFR, then the network.dns.question.type UDM field is set to 251. Else, if the dns_record_name field value is equal to AXFR, then the network.dns.question.type UDM field is set to 252. Else, if the dns_record_name field value is equal to MAILB, then the network.dns.question.type UDM field is set to 253. Else, if the dns_record_name field value is equal to MAILA, then the network.dns.question.type UDM field is set to 254. Else, if the dns_record_name field value is equal to ALL, then the network.dns.question.type UDM field is set to 255. Else, if the dns_record_name field value is equal to URI, then the network.dns.question.type UDM field is set to 256. Else, if the dns_record_name field value is equal to CAA, then the network.dns.question.type UDM field is set to 257. Else, if the dns_record_name field value is equal to AVC, then the network.dns.question.type UDM field is set to 258. Else, if the dns_record_name field value is equal to DOA, then the network.dns.question.type UDM field is set to 259. Else, if the dns_record_name field value is equal to AMTRELA, then the network.dns.question.type UDM field is set to 260. Else, if the dns_record_name field value is equal to TA, then the network.dns.question.type UDM field is set to 32768. Else, if the dns_record_name field value is equal to DLV, then the network.dns.question.type UDM field is set to 32769.
RemoteIP	principal.ip	If the value of the RemoteIP field matches the regular expression ip, then the principal.ip UDM field is mapped to RemoteIP. Else, principal.hostname UDM field is mapped to RemoteIP
	principal.ip	Grok: Extracted the client field from the raw log. If the value of the client field matches the regular expression ip, then the principal.ip UDM field is mapped to client. Else, principal.hostname UDM field is mapped to client.
	principal.hostname	Grok: Extracted the syslog_host field from the raw log. If the value of the client field matches the regular expression ip, then the principal.hostname UDM field is mapped to the syslog_host.
SendReceiveIndicator	network.direction	If the SendReceiveIndicator log field value is equal to Snd, then the network.direction UDM field is set to OUTBOUND. Else, if the SendReceiveIndicator log field value is equal to Rcv, then the network.direction UDM field is set to INBOUND.
send_receive_indicator	network.direction	Grok: Extracted the send_receive_indicator field from the raw log. If the send_receive_indicator field value is equal to Snd, then the network.direction UDM field is set to OUTBOUND. Else, if the send_receive_indicator field value is equal to Rcv, then the network.direction UDM field is set to INBOUND.
Xid	network.dns.id
xid	network.dns.id	Grok: Extracted the xid field from the raw log and then mapped the xid field to the network.dns.id UDM field.
	network.dns.answers.data	Grok: Extracted the DATA field from the raw log and then mapped the DATA field to the network.dns.answers.data UDM field.
	network.dns.answers.type	Grok: Extracted the TYPE field from the raw log and then mapped the TYPE field to the network.dns.answers.type UDM field.
	network.dns.answers.name	Grok: Extracted the Name field from the raw log and then mapped the Name field to the network.dns.answers.name UDM field.
	network.dns.answers.ttl	Grok: Extracted the TTL field from the raw log and then mapped the TTL field to the network.dns.answers.ttl UDM field.
	network.dns.answers.class	Grok: Extracted the CLASS field from the raw log and then mapped the CLASS field to the network.dns.answers.class UDM field.

舊版偵錯記錄

#NOTYPO

原始記錄檔欄位	UDM 欄位	注意事項
BufLen	about.labels.key/value (deprecated)	Grok: Extracted the BufLen field from the raw log and then mapped the BufLen field to the about.labels UDM field.
BufLen	additional.fields	Grok: Extracted the BufLen field from the raw log and then mapped the BufLen field to the additional.fields UDM field.
client	principal.ip	Grok: Extracted the client field from the raw log. If the value of the client field matches the regular expression ip, then the principal.ip UDM field is mapped to client. Else, principal.hostname UDM field is mapped to client.
domain	network.dns.questions.name target.hostname target.asset.hostname	Grok: Extracted the domain field from the raw log and then mapped the domain field to the network.dns.questions.name, target.hostname and target.asset.hostname UDM field.
Expire	about.labels.key/value (deprecated)	Grok: Extracted the Expire field from the raw log and then mapped the Expire field to the about.labels UDM field.
Expire	additional.fields	Grok: Extracted the Expire field from the raw log and then mapped the Expire field to the additional.fields UDM field.
internal_packet_identifier	about.labels.key/value (deprecated)	Grok: Extracted the internal_packet_identifier field from the raw log and then mapped the internal_packet_identifier field to the about.labels UDM field.
internal_packet_identifier	additional.fields	Grok: Extracted the internal_packet_identifier field from the raw log and then mapped the internal_packet_identifier field to the additional.fields UDM field.
ip_protocol	network.ip_protocol	Grok: Extracted the ip_protocol field from the raw log. If the ip_protocol field value is equal to 1 or ICMP, then the network.ip_protocol UDM field is set to ICMP. Else, if the ip_protocol field value is equal to 2 or IGMP, then the network.ip_protocol UDM field is set to IGMP. Else, if the ip_protocol field value is equal to 6 or TCP, then the network.ip_protocol UDM field is set to TCP. Else, if the ip_protocol field value is equal to 17 or UDP, then the network.ip_protocol UDM field is set to UDP. Else, if the ip_protocol field value is equal to 41 or IP6IN4, then the network.ip_protocol UDM field is set to IP6IN4. Else, if the ip_protocol field value is equal to 47 or GRE, then the network.ip_protocol UDM field is set to GRE. Else, if the ip_protocol field value is equal to 50 or ESP, then the network.ip_protocol UDM field is set to ESP. Else, if the ip_protocol field value is equal to 88 or EIGRP, then the network.ip_protocol UDM field is set to EIGRP. Else, if the ip_protocol field value is equal to 97 or ETHERIP, then the network.ip_protocol UDM field is set to ETHERIP. Else, if the ip_protocol field value is equal to 103 or PIM, then the network.ip_protocol UDM field is set to PIM. Else, if the ip_protocol field value is equal to 112 or VRRP, then the network.ip_protocol UDM field is set to VRRP.
LogInfo	metadata.description	Grok: Extracted the LogInfo field from the raw log and then mapped the LogInfo field to the metadata.description UDM field.
opcode	network.dns.opcode	Grok: Extracted the opcode field from the raw log. If the opcode field value is equal to Q, then the network.dns.opcode UDM field is set to 0. Else, if the opcode field value is equal to I, then the network.dns.opcode UDM field is set to 1. Else, if the opcode field value is equal to S, then the network.dns.opcode UDM field is set to 2. Else, if the opcode field value is equal to N, then the network.dns.opcode UDM field is set to 4. Else, if the opcode field value is equal to U, then the network.dns.opcode UDM field is set to 5.
PortNum	principal.port	Grok: Extracted the PortNum field from the raw log and then mapped the PortNum field to the principal.port UDM field.
Queued	about.labels.key/value (deprecated)	Grok: Extracted the Queued field from the raw log and then mapped the Queued field to the about.labels UDM field.
Queued	additional.fields	Grok: Extracted the Queued field from the raw log and then mapped the Queued field to the additional.fields UDM field.
req_or_resp	network.dns.response	Grok: Extracted req_or_resp from the raw log, If the req_or_resp field value is equal to R, then the network.dns.response UDM field is set to true. Else, the network.dns.response UDM field is set to false
send_receive_indicator	network.direction	Grok: Extracted the send_receive_indicator field from the raw log. If the send_receive_indicator field value is equal to Snd, then the network.direction UDM field is set to OUTBOUND. Else, if the send_receive_indicator field value is equal to Rcv, then the network.direction UDM field is set to INBOUND.
Socket	principal.labels.key/value (deprecated)	Grok: Extracted the Socket field from the raw log and then mapped the Socket field to the principal.labels UDM field.
Socket	additional.fields	Grok: Extracted the Socket field from the raw log and then mapped the Socket field to the additional.fields UDM field.
TimeQuery	about.labels.key/value (deprecated)	Grok: Extracted the TimeQuery field from the raw log and then mapped the TimeQuery field to the about.labels UDM field.
TimeQuery	additional.fields	Grok: Extracted the TimeQuery field from the raw log and then mapped the TimeQuery field to the additional.fields UDM field.
xid	network.dns.id	Grok: Extracted the xid field from the raw log and then mapped the xid field to the network.dns.id UDM field.
dns_record_type	additional.fields.key/value.string_value network.dns.questions.type	Grok: Extracted the dns_record_type field from the raw log. If the dns_record_type field value is equal to A, then the network.dns.question.type UDM field is set to 1. Else, if the dns_record_type field value is equal to NS, then the network.dns.question.type UDM field is set to 2. Else, if the dns_record_type field value is equal to MD, then the network.dns.question.type UDM field is set to 3. Else, if the dns_record_type field value is equal to MF, then the network.dns.question.type UDM field is set to 4. Else, if the dns_record_type field value is equal to CNAME, then the network.dns.question.type UDM field is set to 5. Else, if the dns_record_type field value is equal to SOA, then the network.dns.question.type UDM field is set to 6. Else, if the dns_record_type field value is equal to MB, then the network.dns.question.type UDM field is set to 7. Else, if the dns_record_type field value is equal to MG, then the network.dns.question.type UDM field is set to 8. Else, if the dns_record_type field value is equal to MR, then the network.dns.question.type UDM field is set to 9. Else, if the dns_record_type field value is equal to NULL, then the network.dns.question.type UDM field is set to 10. Else, if the dns_record_type field value is equal to WKS, then the network.dns.question.type UDM field is set to 11. Else, if the dns_record_type field value is equal to PTR, then the network.dns.question.type UDM field is set to 12. Else, if the dns_record_type field value is equal to HINFO, then the network.dns.question.type UDM field is set to 13. Else, if the dns_record_type field value is equal to MINFO, then the network.dns.question.type UDM field is set to 14. Else, if the dns_record_type field value is equal to MX, then the network.dns.question.type UDM field is set to 15. Else, if the dns_record_type field value is equal to TXT, then the network.dns.question.type UDM field is set to 16. Else, if the dns_record_type field value is equal to RP, then the network.dns.question.type UDM field is set to 17. Else, if the dns_record_type field value is equal to AFSDB, then the network.dns.question.type UDM field is set to 18. Else, if the dns_record_type field value is equal to X25, then the network.dns.question.type UDM field is set to 19. Else, if the dns_record_type field value is equal to ISDN, then the network.dns.question.type UDM field is set to 20. Else, if the dns_record_type field value is equal to RT, then the network.dns.question.type UDM field is set to 21. Else, if the dns_record_type field value is equal to NSAP, then the network.dns.question.type UDM field is set to 22. Else, if the dns_record_type field value is equal to NSAP-PT, then the network.dns.question.type UDM field is set to 23. Else, if the dns_record_type field value is equal to SIG, then the network.dns.question.type UDM field is set to 24. Else, if the dns_record_type field value is equal to KEY, then the network.dns.question.type UDM field is set to 25. Else, if the dns_record_type field value is equal to PX, then the network.dns.question.type UDM field is set to 26. Else, if the dns_record_type field value is equal to GPOS, then the network.dns.question.type UDM field is set to 27. Else, if the dns_record_type field value is equal to AAAA, then the network.dns.question.type UDM field is set to 28. Else, if the dns_record_type field value is equal to LOC, then the network.dns.question.type UDM field is set to 29. Else, if the dns_record_type field value is equal to NXT, then the network.dns.question.type UDM field is set to 30. Else, if the dns_record_type field value is equal to EID, then the network.dns.question.type UDM field is set to 31. Else, if the dns_record_type field value is equal to NIMLOC, then the network.dns.question.type UDM field is set to 32. Else, if the dns_record_type field value is equal to SRV, then the network.dns.question.type UDM field is set to 33. Else, if the dns_record_type field value is equal to ATMA, then the network.dns.question.type UDM field is set to 34. Else, if the dns_record_type field value is equal to NAPTR, then the network.dns.question.type UDM field is set to 35. Else, if the dns_record_type field value is equal to KX, then the network.dns.question.type UDM field is set to 36. Else, if the dns_record_type field value is equal to CERT, then the network.dns.question.type UDM field is set to 37. Else, if the dns_record_type field value is equal to A6, then the network.dns.question.type UDM field is set to 38. Else, if the dns_record_type field value is equal to DNAME, then the network.dns.question.type UDM field is set to 39. Else, if the dns_record_type field value is equal to SINK, then the network.dns.question.type UDM field is set to 40. Else, if the dns_record_type field value is equal to OPT, then the network.dns.question.type UDM field is set to 41. Else, if the dns_record_type field value is equal to APL, then the network.dns.question.type UDM field is set to 42. Else, if the dns_record_type field value is equal to DS, then the network.dns.question.type UDM field is set to 43. Else, if the dns_record_type field value is equal to SSHFP, then the network.dns.question.type UDM field is set to 44. Else, if the dns_record_type field value is equal to IPSECKE, then the network.dns.question.type UDM field is set to 45. Else, if the dns_record_type field value is equal to RRSIG, then the network.dns.question.type UDM field is set to 46. Else, if the dns_record_type field value is equal to NSEC, then the network.dns.question.type UDM field is set to 47. Else, if the dns_record_type field value is equal to DNSKEY, then the network.dns.question.type UDM field is set to 48. Else, if the dns_record_type field value is equal to DHCID, then the network.dns.question.type UDM field is set to 49. Else, if the dns_record_type field value is equal to NSEC3, then the network.dns.question.type UDM field is set to 50. Else, if the dns_record_type field value is equal to NSEC3PA, then the network.dns.question.type UDM field is set to 51. Else, if the dns_record_type field value is equal to TLSA, then the network.dns.question.type UDM field is set to 52. Else, if the dns_record_type field value is equal to SMIMEA, then the network.dns.question.type UDM field is set to 53. Else, if the dns_record_type field value is equal to UNASSIG, then the network.dns.question.type UDM field is set to 54. Else, if the dns_record_type field value is equal to HIP, then the network.dns.question.type UDM field is set to 55. Else, if the dns_record_type field value is equal to NINFO, then the network.dns.question.type UDM field is set to 56. Else, if the dns_record_type field value is equal to RKEY, then the network.dns.question.type UDM field is set to 57. Else, if the dns_record_type field value is equal to TALINK, then the network.dns.question.type UDM field is set to 58. Else, if the dns_record_type field value is equal to CDS, then the network.dns.question.type UDM field is set to 59. Else, if the dns_record_type field value is equal to CDNSKEY, then the network.dns.question.type UDM field is set to 60. Else, if the dns_record_type field value is equal to OPENPGP, then the network.dns.question.type UDM field is set to 61. Else, if the dns_record_type field value is equal to CSYNC, then the network.dns.question.type UDM field is set to 62. Else, if the dns_record_type field value is equal to ZONEMD, then the network.dns.question.type UDM field is set to 63. Else, if the dns_record_type field value is equal to SVCB, then the network.dns.question.type UDM field is set to 64. Else, if the dns_record_type field value is equal to HTTPS, then the network.dns.question.type UDM field is set to 65. Else, if the dns_record_type field value is equal to SPF, then the network.dns.question.type UDM field is set to 99. Else, if the dns_record_type field value is equal to UINFO, then the network.dns.question.type UDM field is set to 100. Else, if the dns_record_type field value is equal to UID, then the network.dns.question.type UDM field is set to 101. Else, if the dns_record_type field value is equal to GID, then the network.dns.question.type UDM field is set to 102. Else, if the dns_record_type field value is equal to UNSPEC, then the network.dns.question.type UDM field is set to 103. Else, if the dns_record_type field value is equal to NID, then the network.dns.question.type UDM field is set to 104. Else, if the dns_record_type field value is equal to L32, then the network.dns.question.type UDM field is set to 105. Else, if the dns_record_type field value is equal to L64, then the network.dns.question.type UDM field is set to 106. Else, if the dns_record_type field value is equal to LP, then the network.dns.question.type UDM field is set to 107. Else, if the dns_record_type field value is equal to EUI48, then the network.dns.question.type UDM field is set to 108. Else, if the dns_record_type field value is equal to EUI64, then the network.dns.question.type UDM field is set to 109. Else, if the dns_record_type field value is equal to TKEY, then the network.dns.question.type UDM field is set to 249. Else, if the dns_record_type field value is equal to TSIG, then the network.dns.question.type UDM field is set to 250. Else, if the dns_record_type field value is equal to IXFR, then the network.dns.question.type UDM field is set to 251. Else, if the dns_record_type field value is equal to AXFR, then the network.dns.question.type UDM field is set to 252. Else, if the dns_record_type field value is equal to MAILB, then the network.dns.question.type UDM field is set to 253. Else, if the dns_record_type field value is equal to MAILA, then the network.dns.question.type UDM field is set to 254. Else, if the dns_record_type field value is equal to ALL, then the network.dns.question.type UDM field is set to 255. Else, if the dns_record_type field value is equal to URI, then the network.dns.question.type UDM field is set to 256. Else, if the dns_record_type field value is equal to CAA, then the network.dns.question.type UDM field is set to 257. Else, if the dns_record_type field value is equal to AVC, then the network.dns.question.type UDM field is set to 258. Else, if the dns_record_type field value is equal to DOA, then the network.dns.question.type UDM field is set to 259. Else, if the dns_record_type field value is equal to AMTRELA, then the network.dns.question.type UDM field is set to 260. Else, if the dns_record_type field value is equal to TA, then the network.dns.question.type UDM field is set to 32768. Else, if the dns_record_type field value is equal to DLV, then the network.dns.question.type UDM field is set to 32769.
CLASS	network.dns.additional.class	PREREQUISITE SECTION CLASS
DATA	network.dns.additional.data	PREREQUISITE SECTION DATA
Name	network.dns.additional.name	PREREQUISITE SECTION Name
TTL	network.dns.additional.ttl	PREREQUISITE SECTION TTL
TYPE	network.dns.additional.type	PREREQUISITE SECTION TYPE
Flags	additional.fields.key/value.string_value	Grok: Extracted the Flags field from the raw log and then mapped the Flags field to the additional.fields.key/value.string_value UDM field.
CLASS	network.dns.additional.class	UPDATE SECTION CLASS
DATA	network.dns.additional.data	UPDATE SECTION DATA
Name	network.dns.additional.name	UPDATE SECTION Name
TTL	network.dns.additional.ttl	UPDATE SECTION TTL
TYPE	network.dns.additional.type	UPDATE SECTION TYPE
ZCLASS	network.dns.additional.class	ZONE SECTION ZCLASS
Name	network.dns.additional.name	ZONE SECTION Name
ZTYPE	network.dns.additional.type	ZONE SECTION ZTYPE
QR	additional.fields.key/value.string_value
OPCODE	additional.fields.key/value.string_value
AA	additional.fields.key/value.string_value
TC	additional.fields.key/value.string_value
RD	additional.fields.key/value.string_value
RA	additional.fields.key/value.string_value
Z	additional.fields.key/value.string_value
CD	additional.fields.key/value.string_value
AD	additional.fields.key/value.string_value
RCODE	additional.fields.key/value.string_value
ZCOUNT	additional.fields.key/value.string_value
PRECOUNT	additional.fields.key/value.string_value
ARCOUNT	additional.fields.key/value.string_value
UPCOUNT	additional.fields.key/value.string_value
QCOUNT	additional.fields.key/value.string_value
ACOUNT	additional.fields.key/value.string_value
NSCOUNT	additional.fields.key/value.string_value
host_name	intermediary.hostname	Grok: Extracted the host_name field from the raw log and then mapped the host_name field to the intermediary.hostname UDM field.
os_type	intermediary.asset.platform_software.platform	Grok: Extracted the os_type field from the raw log. If the os_type extracted field value matches the regular expression pattern (?i)windows, then the intermediary.asset.platform_software.platform UDM field is set to WINDOWS. Else, if the os_type extracted field value matches the regular expression pattern (?i)linux, then the intermediary.asset.platform_software.platform UDM field is set to LINUX. Else, if the os_type extracted field is not empty, then the os_type extracted field is mapped with the intermediary.asset.attribute.labels UDM field.

其他記錄檔

原始記錄檔欄位	UDM 欄位	注意事項
	network.dns.questions.name, target.hostname	Grok: Extracted the record_name field from the raw log and then mapped the record_name field to the network.dns.questions.name and target.hostname UDM field.
	network.dns.questions.type	Grok: Extracted the record_type field from the raw log. If the record_type field value is equal to A, then the network.dns.question.type UDM field is set to 1. Else, if the record_type field value is equal to NS, then the network.dns.question.type UDM field is set to 2. Else, if the record_type field value is equal to MD, then the network.dns.question.type UDM field is set to 3. Else, if the record_type field value is equal to MF, then the network.dns.question.type UDM field is set to 4. Else, if the record_type field value is equal to CNAME, then the network.dns.question.type UDM field is set to 5. Else, if the record_type field value is equal to SOA, then the network.dns.question.type UDM field is set to 6. Else, if the record_type field value is equal to MB, then the network.dns.question.type UDM field is set to 7. Else, if the record_type field value is equal to MG, then the network.dns.question.type UDM field is set to 8. Else, if the record_type field value is equal to MR, then the network.dns.question.type UDM field is set to 9. Else, if the record_type field value is equal to NULL, then the network.dns.question.type UDM field is set to 10. Else, if the record_type field value is equal to WKS, then the network.dns.question.type UDM field is set to 11. Else, if the record_type field value is equal to PTR, then the network.dns.question.type UDM field is set to 12. Else, if the record_type field value is equal to HINFO, then the network.dns.question.type UDM field is set to 13. Else, if the record_type field value is equal to MINFO, then the network.dns.question.type UDM field is set to 14. Else, if the record_type field value is equal to MX, then the network.dns.question.type UDM field is set to 15. Else, if the record_type field value is equal to TXT, then the network.dns.question.type UDM field is set to 16. Else, if the record_type field value is equal to RP, then the network.dns.question.type UDM field is set to 17. Else, if the record_type field value is equal to AFSDB, then the network.dns.question.type UDM field is set to 18. Else, if the record_type field value is equal to X25, then the network.dns.question.type UDM field is set to 19. Else, if the record_type field value is equal to ISDN, then the network.dns.question.type UDM field is set to 20. Else, if the record_type field value is equal to RT, then the network.dns.question.type UDM field is set to 21. Else, if the record_type field value is equal to NSAP, then the network.dns.question.type UDM field is set to 22. Else, if the record_type field value is equal to NSAP-PT, then the network.dns.question.type UDM field is set to 23. Else, if the record_type field value is equal to SIG, then the network.dns.question.type UDM field is set to 24. Else, if the record_type field value is equal to KEY, then the network.dns.question.type UDM field is set to 25. Else, if the record_type field value is equal to PX, then the network.dns.question.type UDM field is set to 26. Else, if the record_type field value is equal to GPOS, then the network.dns.question.type UDM field is set to 27. Else, if the record_type field value is equal to AAAA, then the network.dns.question.type UDM field is set to 28. Else, if the record_type field value is equal to LOC, then the network.dns.question.type UDM field is set to 29. Else, if the record_type field value is equal to NXT, then the network.dns.question.type UDM field is set to 30. Else, if the record_type field value is equal to EID, then the network.dns.question.type UDM field is set to 31. Else, if the record_type field value is equal to NIMLOC, then the network.dns.question.type UDM field is set to 32. Else, if the record_type field value is equal to SRV, then the network.dns.question.type UDM field is set to 33. Else, if the record_type field value is equal to ATMA, then the network.dns.question.type UDM field is set to 34. Else, if the record_type field value is equal to NAPTR, then the network.dns.question.type UDM field is set to 35. Else, if the record_type field value is equal to KX, then the network.dns.question.type UDM field is set to 36. Else, if the record_type field value is equal to CERT, then the network.dns.question.type UDM field is set to 37. Else, if the record_type field value is equal to A6, then the network.dns.question.type UDM field is set to 38. Else, if the record_type field value is equal to DNAME, then the network.dns.question.type UDM field is set to 39. Else, if the record_type field value is equal to SINK, then the network.dns.question.type UDM field is set to 40. Else, if the record_type field value is equal to OPT, then the network.dns.question.type UDM field is set to 41. Else, if the record_type field value is equal to APL, then the network.dns.question.type UDM field is set to 42. Else, if the record_type field value is equal to DS, then the network.dns.question.type UDM field is set to 43. Else, if the record_type field value is equal to SSHFP, then the network.dns.question.type UDM field is set to 44. Else, if the record_type field value is equal to IPSECKE, then the network.dns.question.type UDM field is set to 45. Else, if the record_type field value is equal to RRSIG, then the network.dns.question.type UDM field is set to 46. Else, if the record_type field value is equal to NSEC, then the network.dns.question.type UDM field is set to 47. Else, if the record_type field value is equal to DNSKEY, then the network.dns.question.type UDM field is set to 48. Else, if the record_type field value is equal to DHCID, then the network.dns.question.type UDM field is set to 49. Else, if the record_type field value is equal to NSEC3, then the network.dns.question.type UDM field is set to 50. Else, if the record_type field value is equal to NSEC3PA, then the network.dns.question.type UDM field is set to 51. Else, if the record_type field value is equal to TLSA, then the network.dns.question.type UDM field is set to 52. Else, if the record_type field value is equal to SMIMEA, then the network.dns.question.type UDM field is set to 53. Else, if the record_type field value is equal to UNASSIG, then the network.dns.question.type UDM field is set to 54. Else, if the record_type field value is equal to HIP, then the network.dns.question.type UDM field is set to 55. Else, if the record_type field value is equal to NINFO, then the network.dns.question.type UDM field is set to 56. Else, if the record_type field value is equal to RKEY, then the network.dns.question.type UDM field is set to 57. Else, if the record_type field value is equal to TALINK, then the network.dns.question.type UDM field is set to 58. Else, if the record_type field value is equal to CDS, then the network.dns.question.type UDM field is set to 59. Else, if the record_type field value is equal to CDNSKEY, then the network.dns.question.type UDM field is set to 60. Else, if the record_type field value is equal to OPENPGP, then the network.dns.question.type UDM field is set to 61. Else, if the record_type field value is equal to CSYNC, then the network.dns.question.type UDM field is set to 62. Else, if the record_type field value is equal to ZONEMD, then the network.dns.question.type UDM field is set to 63. Else, if the record_type field value is equal to SVCB, then the network.dns.question.type UDM field is set to 64. Else, if the record_type field value is equal to HTTPS, then the network.dns.question.type UDM field is set to 65. Else, if the record_type field value is equal to SPF, then the network.dns.question.type UDM field is set to 99. Else, if the record_type field value is equal to UINFO, then the network.dns.question.type UDM field is set to 100. Else, if the record_type field value is equal to UID, then the network.dns.question.type UDM field is set to 101. Else, if the record_type field value is equal to GID, then the network.dns.question.type UDM field is set to 102. Else, if the record_type field value is equal to UNSPEC, then the network.dns.question.type UDM field is set to 103. Else, if the record_type field value is equal to NID, then the network.dns.question.type UDM field is set to 104. Else, if the record_type field value is equal to L32, then the network.dns.question.type UDM field is set to 105. Else, if the record_type field value is equal to L64, then the network.dns.question.type UDM field is set to 106. Else, if the record_type field value is equal to LP, then the network.dns.question.type UDM field is set to 107. Else, if the record_type field value is equal to EUI48, then the network.dns.question.type UDM field is set to 108. Else, if the record_type field value is equal to EUI64, then the network.dns.question.type UDM field is set to 109. Else, if the record_type field value is equal to TKEY, then the network.dns.question.type UDM field is set to 249. Else, if the record_type field value is equal to TSIG, then the network.dns.question.type UDM field is set to 250. Else, if the record_type field value is equal to IXFR, then the network.dns.question.type UDM field is set to 251. Else, if the record_type field value is equal to AXFR, then the network.dns.question.type UDM field is set to 252. Else, if the record_type field value is equal to MAILB, then the network.dns.question.type UDM field is set to 253. Else, if the record_type field value is equal to MAILA, then the network.dns.question.type UDM field is set to 254. Else, if the record_type field value is equal to ALL, then the network.dns.question.type UDM field is set to 255. Else, if the record_type field value is equal to URI, then the network.dns.question.type UDM field is set to 256. Else, if the record_type field value is equal to CAA, then the network.dns.question.type UDM field is set to 257. Else, if the record_type field value is equal to AVC, then the network.dns.question.type UDM field is set to 258. Else, if the record_type field value is equal to DOA, then the network.dns.question.type UDM field is set to 259. Else, if the record_type field value is equal to AMTRELA, then the network.dns.question.type UDM field is set to 260. Else, if the record_type field value is equal to TA, then the network.dns.question.type UDM field is set to 32768. Else, if the record_type field value is equal to DLV, then the network.dns.question.type UDM field is set to 32769.
client	principal.ip	Grok: Extracted the client field from the raw log. If the value of the client field matches the regular expression ip, then the principal.ip UDM field is mapped to client. Else, principal.hostname UDM field is mapped to client.
	principal.hostname	Grok: Extracted the syslog_host field from the raw log. If the value of the client field matches the regular expression ip, then the principal.hostname UDM field is mapped to the syslog_host.
	network.dns.questions.class	Grok: Extracted the qclass field from the raw log. If the qclass field value is equal to IN, then network.dns.questions.class is set to 1. Else, if the qclass field value is equal to CH, then network.dns.questions.class is set to 3. Else, if the qclass field value is equal to HS, then network.dns.questions.class is set to 4.

欄位對應參考資料：事件 ID 與 UDM 事件類型

本節說明剖析器如何將事件 ID 對應至 UDM event_types。一般來說，事件會對應至 NETWORK_DNS metadata.event_type，但下列章節中的事件 ID 除外。

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