to: sysadmin
# -----------------------------------------------------------------------------
+# tcp resets this host sends
- alarm: 1m_ipv4_tcp_resets
+ alarm: 1m_ipv4_tcp_resets_sent
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
+ alarm: 10s_ipv4_tcp_resets_sent
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)))
+ warn: $this > ((($1m_ipv4_tcp_resets_sent < 5)?(5):($1m_ipv4_tcp_resets_sent)) * (($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: silent
+# -----------------------------------------------------------------------------
+# tcp resets this host receives
+
+ alarm: 1m_ipv4_tcp_resets_received
+ on: ipv4.tcphandshake
+ 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
+
+ alarm: 10s_ipv4_tcp_resets_received
+ on: ipv4.tcphandshake
+ lookup: average -10s unaligned absolute of AttemptFails
+ units: tcp resets/s
+ every: 10s
+ warn: $this > ((($1m_ipv4_tcp_resets_received < 5)?(5):($1m_ipv4_tcp_resets_received)) * (($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: silent
['c9b792755de59d842ba95f8c315d94c8']='health.d/swap.conf'
['ca026d7c779f0a7cb7787713c5be5c47']='charts.d.conf'
['ca08a9b18d38ae0a0f5081a7cdc96863']='health.d/swap.conf'
+ ['ca0eb92bdd3de67582ea6db37462895f']='health.d/tcp_resets.conf'
['ca249db7a0637d55abb938d969f9b486']='python.d/postfix.conf'
['cb178b15427274d7def5b14bc4c09441']='health.d/net.conf'
['cb60badf376d246ad8ec9d3f524db430']='health.d/disks.conf'