summaryrefslogtreecommitdiffstats
path: root/conf.d/health.d/tcp_resets.conf
diff options
context:
space:
mode:
authorFederico Ceratto <federico.ceratto@gmail.com>2016-11-23 15:49:10 +0000
committerFederico Ceratto <federico.ceratto@gmail.com>2016-11-23 15:49:10 +0000
commit87649cf32bd0e14d5a903fb85b01e9f41a253540 (patch)
treebbefda6dac074aeb87529592e8e5064f69cbe024 /conf.d/health.d/tcp_resets.conf
parentImported Upstream version 1.3.0+dfsg (diff)
downloadnetdata-87649cf32bd0e14d5a903fb85b01e9f41a253540.tar.xz
netdata-87649cf32bd0e14d5a903fb85b01e9f41a253540.zip
New upstream version 1.4.0+dfsgupstream/1.4.0+dfsg
Diffstat (limited to 'conf.d/health.d/tcp_resets.conf')
-rw-r--r--conf.d/health.d/tcp_resets.conf32
1 files changed, 32 insertions, 0 deletions
diff --git a/conf.d/health.d/tcp_resets.conf b/conf.d/health.d/tcp_resets.conf
new file mode 100644
index 000000000..8e93c4793
--- /dev/null
+++ b/conf.d/health.d/tcp_resets.conf
@@ -0,0 +1,32 @@
+# -----------------------------------------------------------------------------
+
+ alarm: ipv4_tcphandshake_last_collected_secs
+ on: ipv4.tcphandshake
+ calc: $now - $last_collected_t
+ units: seconds ago
+ every: 10s
+ warn: $this > (($status >= $WARNING) ? (0) : ( 5 * $update_every))
+ crit: $this > (($status == $CRITICAL) ? (0) : (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
+
+# -----------------------------------------------------------------------------
+
+ alarm: 1m_ipv4_tcp_resets
+ on: ipv4.tcphandshake
+ 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
+
+ alarm: 10s_ipv4_tcp_resets
+ on: ipv4.tcphandshake
+ lookup: average -10s unaligned absolute of OutRsts
+ units: tcp resets/s
+ every: 10s
+ warn: $this > ((($1m_ipv4_tcp_resets < 5)?(5):($1m_ipv4_tcp_resets)) * (($status >= $WARNING) ? (1) : (4)))
+ delay: up 0 down 60m multiplier 1.2 max 2h
+ 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)
+ to: sysadmin
+