1 # -----------------------------------------------------------------------------
3 alarm: ipv4_tcphandshake_last_collected_secs
5 calc: $now - $last_collected_t
8 warn: $this > (($status >= $WARNING) ? ($update_every) : ( 5 * $update_every))
9 crit: $this > (($status == $CRITICAL) ? ($update_every) : (60 * $update_every))
10 delay: up 0 down 5m multiplier 1.5 max 1h
11 info: number of seconds since the last successful data collection
14 # -----------------------------------------------------------------------------
16 alarm: 1m_ipv4_tcp_resets
18 lookup: average -1m at -10s unaligned absolute of OutRsts
21 info: average TCP RESETS this host is sending, over the last minute
23 alarm: 10s_ipv4_tcp_resets
25 lookup: average -10s unaligned absolute of OutRsts
28 warn: $this > ((($1m_ipv4_tcp_resets < 5)?(5):($1m_ipv4_tcp_resets)) * (($status >= $WARNING) ? (1) : (4)))
29 delay: up 0 down 60m multiplier 1.2 max 2h
30 info: average TCP RESETS this host is sending, over the last 10 seconds (this can be an indication that a port scan is made, or that a service running on this host has crashed)