NTP Messages (Part 1)
Vendor Documentation
Log Fields and Parsing
This section details the log fields available in this log message type, along with values parsed for both LogRhythm Default and LogRhythm Default v2.0 policies. A value of "N/A" (not applicable) means that there is no value parsed for a specified log field.
| Log Field | LogRhythm Default | LogRhythm Default v2.0 |
|---|---|---|
| Provider | N/A | <tag2> |
| EventID | <vmid> | <vmid> |
| Version | N/A | N/A |
| Level | <severity> | <severity> |
| Task | N/A | <vendorinfo> |
| Opcode | N/A | N/A |
| Keywords | N/A | <result> |
| TimeCreated | N/A | N/A |
| EventRecordID | N/A | N/A |
| Correlation | N/A | N/A |
| Execution ProcessID | <processid> | N/A |
| ThreadID | <session> | N/A |
| Channel | N/A | N/A |
| Computer | <dname> | <dname> |
| Security | <domain> <login> | N/A |
| TMP_EVENT_DOMAIN_PEER_DNS_ERROR | N/A | N/A |
| ErrorMessage | <subject>, <objectname> | <subject> |
| RetryMinutes | <minutes> | <minutes> |
| DomainPeer | <object> | N/A |
Log Processing Settings
This section details log processing changes made from the LogRhythm Default policy to LogRhythm Default v2.0. In some cases, base rules are broken down into sub-rules to appropriately parse log message types by their event types.
LogRhythm Default
Regex ID | Rule Name | Rule Type | Common Event | Classification |
|---|---|---|---|---|
| 1008271 | NTP Messages | Base Rule | NTPD Information | Information |
| EVID 131: NTP Unable To Resolve Domain Peer | Sub Rule | NTP Server Unreachable | Error | |
| EVID 138: NTP Resolved Domain Peer | Sub Rule | NTPD Information | Information | |
| EVID 139: NTP Time Source Advertising | Sub Rule | NTPD Information | Information | |
| EVID 139: NTP Time Source Stopped Advertising | Sub Rule | NTPD Warning | Warning |
LogRhythm Default v2.0
Regex ID | Rule Name | Rule Type | Common Event | Classification |
|---|---|---|---|---|
| 1012695 | V 2.0 : EVID 131: Time-Service | Base Rule | NTPD Warning | Warning |