XMA: EMS Mover does not sending of any event burst that exceeds the parameters specified on the BURSTFLT file
Disabling the BURSTFLT file through the '2: MOVER menu -> 15: EMS Filter File' menu could resolve the issue, but fully disabling the burst filter causing too many messages to be alerted and/or sent to SIEM.
Or updating the parameters on the BURSTFLT file and restarting the EMS Mover could be an option to address the issue.
Below is example of the parameters on the BURSTFLT file.
If the burst filter is enabled and an application begin issuing the same event, e.g. TANDEM.EMS.L02 000512, (SSID 'TANDEM.EMS.L02', Event number '512'), at 2024-12-12 12:34:56;
- EMS Mover continues to collect the EMS events until the N (i.e. N 50) of the bursting event (e.g. SSID 'TANDEM.EMS.L02', Event number '512') arrives during the T1 (60 seconds) time period from 2024-12-12 12:34:56.
- EMS Mover starts supressing the 51th and subsequence of the bursting event (e.g. SSID 'TANDEM.EMS.L02', Event number '512') that arrives during the T1 (60 seconds) time period from 2024-12-12 12:34:56.
- EMS Mover ends supressing the bursting event (e.g. SSID 'TANDEM.EMS.L02', Event number '512') if no bursting event occurs during the T2 (120 seconds) time period.
- EMS Mover checks the ended bursting event (e.g. SSID 'TANDEM.EMS.L02', Event number '512') every T3 (30 seconds) time interval
- S 20: 20 is the maximum number of simultaneous bursts that the EMS Mover can detect and monitor
- L 0: The comparison byte length of the first subject value of the bursting event.
< BURSTFLT example >
?COMMENT
Burst Detection/Suppression
?SUPPRESS
! Number of event occurrences for a burst
?N 50
! Burst start detection interval (seconds)
?T1 60
! Burst end detection interval (seconds)
?T2 120
! Periodic check for burst end (seconds)
?T3 30
! Maximum number of simultaneous bursts
?S 20
! Subject length to compare
?L 0
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