Last Modified: Oct 06, 2020
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Known Affected Versions:
13.1.0, 126.96.36.199, 188.8.131.52, 184.108.40.206, 220.127.116.11, 18.104.22.168, 22.214.171.124, 126.96.36.199, 188.8.131.52, 13.1.1
Opened: Nov 16, 2017
TMM crashes upon traffic matching a DNS BDOS signature if packet sampling is turned on by enabling db variable (l4bdos.signature.sample.packet.frequency).
Traffic disrupted while tmm restarts.
DB variable l4bdos.signature.sample.packet.frequency is modified to a non-zero value (to collect DNS packet info upon matching a DNS dynamic signature).
Disable the packet sampling feature for BDOS signatures by setting the db variable l4bdos.signature.sample.packet.frequency to default value (0).
TMM no longer crashes when packet sampling is turned on and traffic matches DNS BDOS signature.