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EVID 6273, 6274 : Network Policy Server Messages (Security)

Event Details

Event Type

Audit Network Policy Server

Event Description

  • 6273 : Network Policy Server denied access to a user.

  • 6274 : Network Policy Server discarded the request for a user.

Event IDs

6273, 6274

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

N/A

EventID

<vmid>

<vmid>

Version

N/A

N/A

Level

<severity>

<severity>

Task

N/A

<vendorinfo>

Opcode

N/A

N/A

Keywords

<tag1>

<result>

TimeCreated

N/A

N/A

EventRecordID

N/A

N/A

Correlation

N/A

N/A

Execution

N/A

N/A

Channel

N/A

N/A

Computer

N/A

<dname>

SubjectUserSid

N/A

N/A

SubjectUserName

<account>

<login>

SubjectDomainName

<domain>

<domainorigin>

FullyQualifiedSubjectUserName

N/A

N/A

SubjectMachineSID

N/A

N/A

SubjectMachineName

N/A

N/A

FullyQualifiedSubjectMachineName

N/A

N/A

CalledStationID

<dmac>

N/A

CallingStationID

<sip>, <smac>

N/A

NASIPv4Address

N/A

<dip>

NASIPv6Address

N/A

<dip>

NASIdentifier

N/A

N/A

NASPortType

N/A

N/A

NASPort

N/A

N/A

ClientName

<login>

<sname>

ClientIPAddress

<dip>

<sip>

ProxyPolicyName

N/A

N/A

NetworkPolicyName

<policy>

<policy>

AuthenticationProvider

N/A

N/A

AuthenticationServer

<object>

N/A

AuthenticationType

<sessiontype>

N/A

EAPType

N/A

N/A

AccountSessionIdentifier

N/A

N/A

ReasonCode

N/A

<responsecode>

Reason

<reason>, <tag2>

<reason>

LoggingResult

N/A

N/A

Eventdata

<vendorinfo>

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

1001061

EVID 6273, 6274 : Network Policy Server Messages

Base Rule

Authentication Failure Activity

Authentication Failure

EVID 6274 : Authentication Request Discarded

Sub Rule

Authentication Failure Activity

Authentication Failure

EVID 6273 : User Credentials Mismatch

Sub Rule

User Logon Failure : Bad Password

Authentication Failure

EVID 6273 : User Account Does Not Exist

Sub Rule

User Logon Failure : Bad Username

Authentication Failure

Authentication

Sub Rule

Authentication Activity

Authentication Success

EVID 6273 : Unknown Username Or Password

Sub Rule

User Logon Failure

Authentication Failure

EVID 6273 : Too Many Failed Auth Attempts

Sub Rule

User Logon Failure : Account Locked Out

Authentication Failure

LogRhythm Default v2.0

Regex ID

Rule Name

Rule Type

Common Event

Classification

1011222

V 2.0 : Network Policy Server Events

Base Rule

General Audit Message

Other Audit

V 2.0 : EVID 6272 : NPS - Access Granted To User

Sub Rule

User Logon

Authentication Success

V 2.0 : EVID 6273 : NPS - Access Denied To User

Sub Rule

User Logon Failure

Authentication Failure

V 2.0 : EVID 6274 : NPS - Access Request Discarded

Sub Rule

Bad Request

Warning

V 2.0 : EVID 6278 : NPS- Full Acces Granted To Usr

Sub Rule

User Logon

Authentication Success