EVID 20271 & 20255: Connection Prevented (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

<object>

<tag2>

EventID Qualifiers

<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

N/A

N/A

Channel

<group>

N/A

Computer

<dname>

<dname>

Security

N/A

N/A

Data

<session>

N/A

Data

<domain>
<login>

<domainorigin>
<login>

Data

<sip>

<dip>

Data

<subject>

<reason>

Binary

N/A

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

1010300

EVID 20271 & 20255: Connection Prevented

Base Rule

Authentication Method Not Supported

Error

LogRhythm Default v2.0

Regex ID

Rule Name

Rule Type

Common Event

Classification

1012817

V 2.0 : EVID 20271: Authentication Failure

Base Rule

Authentication Failure Activity

Authentication Failure