Plugin:TCPConns

TCPConns plugin
Type:	read
Callbacks:	config, init, read
Status:	supported
First version:	4.2
Copyright:	2007–2008 Florian octo Forster 2008 Michael Stapelberg
License:	GPLv2 BSD (revised)
Manpage:	collectd.conf(5)
List of Plugins

The TCPConns plugin counts the number of TCP connections to or from a specified port. Typically the connections where you specify the local port are incoming connections while the connections where you specify the remote port are outgoing connections.

Synopsis

Single port

<Plugin "tcpconns">
  ListeningPorts false
  LocalPort "25"
  RemotePort "25"
</Plugin>

Multiple ports

<Plugin "tcpconns">
  ListeningPorts false
  LocalPort "25"
  LocalPort "22"
</Plugin>

All listening ports

<Plugin "tcpconns">
  ListeningPorts true
</Plugin>

Summary of all ports

<Plugin "tcpconns">
  AllPortsSummary true
</Plugin>

Example graphs

Dependencies

• Linux
  • /proc-file system
• Mac OS X (possibly also other *BSDs)
  • sysctlbyname(3)