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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
+ os: linux
+ hosts: *
+ 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