<189>139104: PILREP01: Jul 26 07:23:24.238 CDT: %DMI-5-AUTH_PASSED: Switch 1 R0/0: dmiauthd: User 'sentinel' authenticated successfully from 10.0.1.170:51965  for netconf over ssh. External groups: PRIV15
This is a syslog message from a product called Cisco Network Operating System by Cisco. The following fields were extracted from the message:
fieldExtractorName: cisco_os
messageType: management_message
ruleCategory: dmi
ruleName: auth_passed
senderHost: 10.2.177.254
sensitivity: normal
severityCode: 5
severityLabel: notice
sourceInfo: unknown
streamName: cisco_os
tags: ['cisco_os', 'management_message']