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# you can disable an alarm notification by setting the 'to' line to: silent
alarm: netfilter_conntrack_full
on: netfilter.conntrack_sockets
class: Workload
type: System
component: Network
host labels: _os=linux
lookup: max -10s unaligned of connections
calc: $this * 100 / $netfilter_conntrack_max
units: %
every: 10s
warn: $this > (($status >= $WARNING) ? (85) : (90))
crit: $this > (($status == $CRITICAL) ? (90) : (95))
delay: down 5m multiplier 1.5 max 1h
summary: System Netfilter connection tracker utilization
info: Netfilter connection tracker table size utilization
to: sysadmin
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