diff options
Diffstat (limited to 'health/health.d/tcp_resets.conf')
-rw-r--r-- | health/health.d/tcp_resets.conf | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/health/health.d/tcp_resets.conf b/health/health.d/tcp_resets.conf index 36a550a5d..af2a75252 100644 --- a/health/health.d/tcp_resets.conf +++ b/health/health.d/tcp_resets.conf @@ -2,21 +2,6 @@ # you can disable an alarm notification by setting the 'to' line to: silent # ----------------------------------------------------------------------------- - - alarm: ipv4_tcphandshake_last_collected_secs - on: ipv4.tcphandshake - os: linux freebsd - hosts: * - calc: $now - $last_collected_t - units: seconds ago - every: 10s - warn: $this > (($status >= $WARNING) ? ($update_every) : ( 5 * $update_every)) - crit: $this > (($status == $CRITICAL) ? ($update_every) : (60 * $update_every)) - delay: up 0 down 5m multiplier 1.5 max 1h - info: number of seconds since the last successful data collection - to: sysadmin - -# ----------------------------------------------------------------------------- # tcp resets this host sends alarm: 1m_ipv4_tcp_resets_sent @@ -26,7 +11,7 @@ lookup: average -1m at -10s unaligned absolute of OutRsts units: tcp resets/s every: 10s - info: average TCP RESETS this host is sending, over the last minute + info: average number of sent TCP RESETS over the last minute alarm: 10s_ipv4_tcp_resets_sent on: ipv4.tcphandshake @@ -38,7 +23,10 @@ warn: $this > ((($1m_ipv4_tcp_resets_sent < 5)?(5):($1m_ipv4_tcp_resets_sent)) * (($status >= $WARNING) ? (1) : (20))) delay: up 20s down 60m multiplier 1.2 max 2h options: no-clear-notification - 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; clear notification for this alarm will not be sent) + info: average number of sent TCP RESETS over the last 10 seconds. \ + This can indicate a port scan, \ + or that a service running on this host has crashed. \ + Netdata will not send a clear notification for this alarm. to: sysadmin # ----------------------------------------------------------------------------- @@ -51,7 +39,7 @@ lookup: average -1m at -10s unaligned absolute of AttemptFails units: tcp resets/s every: 10s - info: average TCP RESETS this host is sending, over the last minute + info: average number of received TCP RESETS over the last minute alarm: 10s_ipv4_tcp_resets_received on: ipv4.tcphandshake @@ -63,5 +51,7 @@ warn: $this > ((($1m_ipv4_tcp_resets_received < 5)?(5):($1m_ipv4_tcp_resets_received)) * (($status >= $WARNING) ? (1) : (10))) delay: up 20s down 60m multiplier 1.2 max 2h options: no-clear-notification - 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; clear notification for this alarm will not be sent) + info: average number of received TCP RESETS over the last 10 seconds. \ + This can be an indication that a service this host needs has crashed. \ + Netdata will not send a clear notification for this alarm. to: sysadmin |