Monthly Archives: November 2021

Nagios Plugins 2.4.0 Released

The Nagios Plugins team is proud to announce that nagios-plugins 2.4.0 has been released and is available for download.


  • check_http: Add -o option (Append page body as performance data) (#615) (Tobias Leich)
  • check_icmp: Add -f and -F perfdata options (#567)
  • check_ifstatus: Add -d option (exclude interfaces by description regexp) (#548) (Alexandre Anriot)
  • check_smtp: Add support for SMTP over TLS (#565) (Franz Schwartau)
  • check_snmp: Add -M to multiply results by a given factor (#559) (Scott Baker)


  • lib: _np_state_calculate_location_prefix() should return non-void when running under suid (Kris Shannon)
  • pst3.c: Fix build issue on Solaris (#537)
  • check_by_ssh: Fix return code when ssh or the shell itself fails (#618) (Guillaume Rousse)
  • check_disk: Fix false DISK CRITICAL alerts on btrfs systems (#569) (George Hansper)
  • check_log: Fix error message for systems that don’t use bash (#539)
  • check_log: Fix linebreaks in documentation (#621) (Matt Capra)
  • check_mysql_query: Fix use-after-free (#602) (Simon F)
  • negate: Errors are now printed directly to stderr instead of being redirected to stdout (#571) (Geert Hendrickx)

Download Nagios-Plugins 2.4.0 here.

Thanks to all who have contributed toward this release. If you need assistance installing or using the plugins, please visit our general support forum. Bug reports, feature requests, and additional comments are welcome and may be posted on our GitHub repo.