missing information in logmatch trap data

Thommandra Gowtham <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <CA+XNQ=gPx3KoVNdQ5enU7m2MpVdUR=_TmRGkTOm-XPphL_B_DA@mail.gmail.com>
Hi

I am using net-snmp 5.7.3 on Ubuntu and have a few questions regarding
logmatch trap

- How can we get more information in a logmatch trap other than the pattern
matched?

For example  if we have below configuration

logmatch loginFailure /var/log/auth.log 30 Failed password
monitor -r 10 -o logMatchName -o logMatchFileName -o logMatchCurrentCount
-o logMatchRegEx "Log Match" != logMatchCurrentCount

we get the below trap

DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (3774203) 10:29:02.03
SNMPv2-MIB::snmpTrapOID.0 = OID: DISMAN-EVENT-MIB::mteTriggerFired
DISMAN-EVENT-MIB::mteHotTrigger.0 = STRING: Log Match
DISMAN-EVENT-MIB::mteHotTargetName.0 = STRING:
DISMAN-EVENT-MIB::mteHotContextName.0 = STRING:
DISMAN-EVENT-MIB::mteHotOID.0 = OID: UCD-SNMP-MIB::logMatchCurrentCount.1
DISMAN-EVENT-MIB::mteHotValue.0 = INTEGER: 3 UCD-SNMP-MIB::logMatchName.1 =
STRING: loginFailure UCD-SNMP-MIB::logMatchFilename.1 = STRING:
/var/log/auth.log UCD-SNMP-MIB::logMatchCurrentCount.1 = INTEGER: 3
UCD-SNMP-MIB::logMatchRegEx.1 = STRING: Failed password

for the below message in auth.log

Sep  5 19:51:43  sshd[23557]: Failed password for root from xx.xx.xx.xx
port 41569 ssh2

Tried with pattern in the config as well

For the following config,
logmatch loginFailure /var/log/auth.log 30 Failed password for .*

we get trap like below
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (3022) 0:00:30.22
SNMPv2-MIB::snmpTrapOID.0 = OID: DISMAN-EVENT-MIB::mteTriggerFired
DISMAN-EVENT-MIB::mteHotTrigger.0 = STRING: Log Match
DISMAN-EVENT-MIB::mteHotTargetName.0 = STRING:
DISMAN-EVENT-MIB::mteHotContextName.0 = STRING:
DISMAN-EVENT-MIB::mteHotOID.0 = OID: UCD-SNMP-MIB::logMatchCurrentCount.1
DISMAN-EVENT-MIB::mteHotValue.0 = INTEGER: 9 UCD-SNMP-MIB::logMatchName.1 =
STRING: loginFailure UCD-SNMP-MIB::logMatchFilename.1 = STRING:
/var/log/auth.log UCD-SNMP-MIB::logMatchCurrentCount.1 = INTEGER: 9
UCD-SNMP-MIB::logMatchRegEx.1 = STRING: Failed password .*

Is it possible to get the user name in the string as part of the logmatch
trap? Like 'root' in above example.

Thanks in advance.

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