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 # -----------------------------------------------------------------------------
15 # tcp resets this host sends
17 alarm: 1m_ipv4_tcp_resets_sent
19 lookup: average -1m at -10s unaligned absolute of OutRsts
22 info: average TCP RESETS this host is sending, over the last minute
24 alarm: 10s_ipv4_tcp_resets_sent
26 lookup: average -10s unaligned absolute of OutRsts
29 warn: $this > ((($1m_ipv4_tcp_resets_sent < 5)?(5):($1m_ipv4_tcp_resets_sent)) * (($status >= $WARNING) ? (1) : (4)))
30 delay: up 0 down 60m multiplier 1.2 max 2h
31 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)
34 # -----------------------------------------------------------------------------
35 # tcp resets this host receives
37 alarm: 1m_ipv4_tcp_resets_received
39 lookup: average -1m at -10s unaligned absolute of AttemptFails
42 info: average TCP RESETS this host is sending, over the last minute
44 alarm: 10s_ipv4_tcp_resets_received
46 lookup: average -10s unaligned absolute of AttemptFails
49 warn: $this > ((($1m_ipv4_tcp_resets_received < 5)?(5):($1m_ipv4_tcp_resets_received)) * (($status >= $WARNING) ? (1) : (4)))
50 delay: up 0 down 60m multiplier 1.2 max 2h
51 info: average TCP RESETS this host is receiving, over the last 10 seconds (this can be an indication that a service this host needs, has crashed)