2 alarm: netfilter_last_collected_secs
3 on: netfilter.conntrack_sockets
4 calc: $now - $last_collected_t
7 warn: $this > (($status >= $WARNING) ? ($update_every) : ( 5 * $update_every))
8 crit: $this > (($status == $CRITICAL) ? ($update_every) : (60 * $update_every))
9 delay: down 5m multiplier 1.5 max 1h
10 info: number of seconds since the last successful data collection
13 alarm: netfilter_conntrack_full
14 on: netfilter.conntrack_sockets
15 lookup: max -10s unaligned of connections
16 calc: $this * 100 / $netfilter.conntrack.max
19 warn: $this > (($status >= $WARNING) ? (70) : (80))
20 crit: $this > (($status == $CRITICAL) ? (80) : (90))
21 delay: down 5m multiplier 1.5 max 1h
22 info: the number of connections tracked by the netfilter connection tracker, as a percentage of the connection tracker table size