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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 02:57:58 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 02:57:58 +0000 |
| commit | be1c7e50e1e8809ea56f2c9d472eccd8ffd73a97 (patch) | |
| tree | 9754ff1ca740f6346cf8483ec915d4054bc5da2d /health/health.d/tcp_resets.conf | |
| parent | Initial commit. (diff) | |
| download | netdata-be1c7e50e1e8809ea56f2c9d472eccd8ffd73a97.tar.xz netdata-be1c7e50e1e8809ea56f2c9d472eccd8ffd73a97.zip | |
Adding upstream version 1.44.3.upstream/1.44.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'health/health.d/tcp_resets.conf')
| -rw-r--r-- | health/health.d/tcp_resets.conf | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/health/health.d/tcp_resets.conf b/health/health.d/tcp_resets.conf new file mode 100644 index 00000000..7c39db2d --- /dev/null +++ b/health/health.d/tcp_resets.conf @@ -0,0 +1,71 @@ + +# you can disable an alarm notification by setting the 'to' line to: silent + +# ----------------------------------------------------------------------------- +# tcp resets this host sends + + alarm: 1m_ip_tcp_resets_sent + on: ip.tcphandshake + class: Errors + type: System +component: Network + os: linux + hosts: * + lookup: average -1m at -10s unaligned absolute of OutRsts + units: tcp resets/s + every: 10s + info: average number of sent TCP RESETS over the last minute + + alarm: 10s_ip_tcp_resets_sent + on: ip.tcphandshake + class: Errors + type: System +component: Network + os: linux + hosts: * + lookup: average -10s unaligned absolute of OutRsts + units: tcp resets/s + every: 10s + warn: $netdata.uptime.uptime > (1 * 60) AND $this > ((($1m_ip_tcp_resets_sent < 5)?(5):($1m_ip_tcp_resets_sent)) * (($status >= $WARNING) ? (1) : (10))) + delay: up 20s down 60m multiplier 1.2 max 2h + options: no-clear-notification + summary: System TCP outbound resets + 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: silent + +# ----------------------------------------------------------------------------- +# tcp resets this host receives + + alarm: 1m_ip_tcp_resets_received + on: ip.tcphandshake + class: Errors + type: System +component: Network + os: linux freebsd + hosts: * + lookup: average -1m at -10s unaligned absolute of AttemptFails + units: tcp resets/s + every: 10s + info: average number of received TCP RESETS over the last minute + + alarm: 10s_ip_tcp_resets_received + on: ip.tcphandshake + class: Errors + type: System +component: Network + os: linux freebsd + hosts: * + lookup: average -10s unaligned absolute of AttemptFails + units: tcp resets/s + every: 10s + warn: $netdata.uptime.uptime > (1 * 60) AND $this > ((($1m_ip_tcp_resets_received < 5)?(5):($1m_ip_tcp_resets_received)) * (($status >= $WARNING) ? (1) : (10))) + delay: up 20s down 60m multiplier 1.2 max 2h + options: no-clear-notification + summary: System TCP inbound resets + 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: silent |