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