Dec 24 03:28:10 oakrhelv001 sshd[1461858]: pam_unix(sshd:session): session opened for user epicadm by (uid=0)
This is a syslog message from a product called Linux PAM by Linux. The following fields were extracted from the message:
application: unix
facilityCode: 1
facilityLabel: user-level
fieldExtractorName: pam
localHostname: oakrhelv001
localStartTime: Dec 24 03:28:10
messageType: pam_event
pid: 1461858
priority: 13
program: sshd
senderHost: oakrhelv001.achn.net
sensitivity: normal
severityCode: 5
severityLabel: notice
sourceInfo: unknown
streamName: pam
tags: ['rfc3164', 'pam', 'pam_event']