Plugin TCPConns

Name:	TCPConns plugin
Type:	read
Callbacks:	config, init, read
Status:	supported
FirstVersion:	4.2
Copyright:	2007–2008 Florian octo Forster, 2008 Michael Stapelberg
License:	GPLv2, BSD License
Manpage:	collectd.conf(5)
See also:	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)