The Monitoring Plugins Development Team is proud to announce version 2.4.0 of
the Monitoring Plugins! This release comes with various fixes provided by more
than 12 contributors. Many thanks to all of you!

For the list of notable changes in this release, see below.

Enhancements

General

• Use C99 booleans @RincewindsHat
• Improve negate plugin helptext @euniceremoquillo
• Add new test function for percentage expressions @RincewindsHat

Single Plugins

• check_mailq: remove trailing whitespaces @sni
• check_mailq: unify tabs/spaces @sni
• check_oracle: Shellcheck fixes @RincewindsHat
• check_ups: output ups.realpower if supported @sbraz
• check_disk: add -n short option for --ignore-missing @sni
• check_procs: Improve help text, mentioning excluded processes @shartge
• check_procs: Generalise wording, remove mentioning of nrpe @shartge
• check_curl: add haproxy protocol option @emriver
• check_disk: increase alert precision @sni
• check_ircd: IPv6 support @oxzi
• check_nwstat: adds percentage used space
• check_swap: Possibility to run check_swap without thresholds @Napsty
• check_ups: additional alarm conditions @RincewindsHat
• check_http/check_curl: added a --regex-state option to change the state of a regex check @andreasbaumann

Fixes

General

• Fixes for -Wsign-compare @RincewindsHat
• Fix logic in is_uint64_t to fix type-limit warning @RincewindsHat
• Prevent -lcrypto from showing up in Makefile dependencies @EricFromCanada
• Change irritating NULL assignment @RincewindsHat

Single Plugins

• check_dbi: Compiler warning for uninitialized variable @RincewindsHat
• check_curl: Initialize pointer before usage @RincewindsHat
• check_ntp: Initialize intermediate results in any case @RincewindsHat
• check_tcp: Fixes an error with using the wrong type for a variable @RincewindsHat
• check_mailq: exit on empty strings and exit early @sni
• check_users: Change option for sanity checking arguments to avoid segfault @RincewindsHat
• check_users: Update help to properly show that thresholds are ranges @RincewindsHat
• check_users: fix segfault @RincewindsHat
• check_dbi: Fix compiler warning for uninitialized variable @RincewindsHat
• check_curl: Initialize pointer before usage @RincewindsHat
• check_ntp: Initialize intermediate results in any case @RincewindsHat
• check_ntp_peer: Fixes for Wmaybe-unitialized and some restructuring @RincewindsHat
• check_dns: Remove unused variable @RincewindsHat
• check_disk: fix ignore-missing in combination with includes @sni
• check_procs: ignore our own children @shartge
• check_http: Remove self assignment of a variable and add some comments @RincewindsHat
• check_snmp: Remove unused variable @RincewindsHat
• check_dhcp: Make implicit conversion explicit to dismiss warning @RincewindsHat
• Ini Parser: Avoid freeing symbols from text section @RincewindsHat
• check_icmp: keep performance data order in case of none-reachable hosts @sni
• check_swap: Change another fake boolean to a real one @RincewindsHat
• check_swap: Rename type since *_t is reserved for C standard types @RincewindsHat
• check_ssh: Fix a typo in "remote-protocol parameter
• check_ssh: Handle non-alpha software versions
• check_ssh: properly parse a delayed version control string
• check_disk: Fail on missing arguments for --warning and --critical and fix a test case @RincewindsHat
• check_disk: Use new test function for percentage expressions @RincewindsHat
• check_load: remove unused code @RincewindsHat
• check_curl/check_http: clarified format of POST data @andreasbaumann

Full Changelog: https://github.com/monitoring-plugins/monitoring-plugins/compare/v2.3.5...v2.4.0

The Monitoring Plugins Development Team is proud to announce version 2.3.5 of
the Monitoring Plugins! This release comes just with a small fix preventing
the tarball from being built. Sorry for this.

For the list of notable changes in this release, see below.

Fixes

General

• Include maxfd.h in lib Makefile

Please also have a look into the changes from the 2.3.4 release,
you might have missed.

Monitoring Plugins v2.3.4 released!

The Monitoring Plugins Development Team is proud to announce version 2.3.4 of
the Monitoring Plugins! This release comes with various fixes provided by more
than 30 contributors. Many thanks to all of you!

For the list of notable changes in this release, see below.

Enhancements

General

• Sync with the Gnulib code 668c0b8ffa
• Set autoconf prerequisite version to 2.64
• Remove sha1 and use sha256 in some parts of the plugin structure

Single Plugins

• check_curl: added --cookie-jar and doing proper cleanup of libcurl
• check_curl: Include all IPs from getaddrinfo() in curl DNS cache
• check_dhcp: Add dhcp rogue detection
• check_disk: add ignore-missing option to return OK for missing fs
• check_disk_smb: allow checking 0-sized resource (ex. IPC$)
• check_disk: The options to include or exclude specific file systems now allow the usage of regex(7)
• check_icmp: Add support to Jitter, MOS and Score
• check_mysql: Detect running mysqldump and handle it more gracefully
• check_procs: Implement --exclude-process to exclude specific processes
• check_smtp: add new longoption --tls
• check_smtp: Add option to prefix PROXY header
• check_smtp: Add support for SMTP over TLS
• check_smtp: Add support for SNI
• check_snmp: Implement option to ignore mib file parsing errors
• check_users: prefer systemd-logind over utmp

Fixes

General

• A lot of compiler warnings were fixed
• Some code was refactored a little bit

Single Plugins

• check_disk: Display SI units correctly
• check_ircd: use pack_sockaddr_in rather than hand-rolled
• check_log/check_oracle/check_sensors: fixed the outputs of the help functionality
• check_mysql: Add mysql_close to avoid spamming the server logs
• check_smtp: add missing -r option in usage
• check_snmp: disable multiplier when unused
• check_wave: Use compile time determined path to snmpget

Monitoring Plugins v2.3.3 released!

The Monitoring Plugins Development Team is proud to announce version 2.3.3 of
the Monitoring Plugins! This release comes with various fixes provided by more
than 16 contributors. Many thanks to all of you!

What's Changed

Enhancements

General

• using PRId64 and PRIu64 instead of %ld directly

Single Plugins

• check_http: Make faster with larger files
• check_snmp: add 'multiplier' to modify current value
• check_http: Implement chunked encoding decoding
• check_http/check_curl: add chunked encoding test
• check_log: Added --exclude to exclude patterns
• check_log: Add tests
• check_disk: Clarify usage possibilites

Fixes

General

• fixed two PRId64 to PRIu64 in perfdata_uint64

Single Plugins

• check_pgsql: Removing is_pg_dbname alltogether,using postgres API.
• check_http: Remove superflous CRLF in HTTP-Requests
• check_curl: detect ipv6
• check_icmp: fix parsing help/version long options
• check_http: fix test plan
• check_disk: Find accessible mount path if multiple are available
• check_apt: Fix unknown escape sequence error output
• check_curl: fix checking large bodys
• check_snmp: Improve tests for check_snmp & multiply option
• check_snmp: always apply format when applying multiplier
• check_http: Use real booleans instead of ints
• check_http: Document process_arguments a little bit better
• check_http: Remove dead code
• check_http: Fix several bug in the implementation of unchunking
• check_http: Reformat a part to increase readability
• check_apt: Put upgrade options in the root sections
• check_apt: Fix comment
• check_apt: Use real booleans
• check_mailq: Fixing nullmailer regex
• check_snmp: Fix regex matches
• check_log: Fixed a bug when using --all
• check_log: Cleaned up duplicated code in the args
• check_http: Fix memory reallocation error in chunk decoding logic
• check_http: Add space for ending NULL byte in array for chunked encoding

Monitoring Plugins v2.3.2 is out!

What's Changed

General

• docs: fix simple typo, conspicuosly -> conspicuously by @timgates42 in https://github.com/monitoring-plugins/monitoring-plugins/pull/1652
• Migrate to GitHub actions by @jacobbaungard in https://github.com/monitoring-plugins/monitoring-plugins/pull/1686
• Point to Icinga Exchange instead of dead Monitoring Exchange by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1737
• Use netcat-openbsd for debian explicitely by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1704
• github actions: fix check_users test case by @sni in https://github.com/monitoring-plugins/monitoring-plugins/pull/1713
• Add CodeQL checks by @phibos in https://github.com/monitoring-plugins/monitoring-plugins/pull/1682
• Fix some QL problems by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1729
• Update CodeQL and update runner before installing by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1775
• Replace egrep with grep -E by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1791
• Use silent automake by default by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1747

Single Plugins

• check_by_ssh: added option to exit with an warning, if there is output on STDERR by @nafets in https://github.com/monitoring-plugins/monitoring-plugins/pull/1301
• check_by_ssh: Add "-U" flag (#1123). by @archiecobbs in https://github.com/monitoring-plugins/monitoring-plugins/pull/1774
• check_by_ssh: Let ssh decide if a host is valid, enables usage of ssh .config file by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1691
• check_curl: Add an option to check_curl to verify the peer certificate & host using the system CA's by @bazzisoft in https://github.com/monitoring-plugins/monitoring-plugins/pull/1669
• check curl: bugfixes by @andreasbaumann in https://github.com/monitoring-plugins/monitoring-plugins/pull/1667
• check_curl: Feature check curl by @andreasbaumann in https://github.com/monitoring-plugins/monitoring-plugins/pull/1671
• check_curl: Feature check curl by @andreasbaumann in https://github.com/monitoring-plugins/monitoring-plugins/pull/1700
• check_curl: fixed -ffollow for HTTP/2.0 (Fixes #1685): added major_version parsing to PicoHTTPParser by @andreasbaumann in https://github.com/monitoring-plugins/monitoring-plugins/pull/1742
• check_curl: fixes check_curl: "CRITICAL - Cannot retrieve certificate subject." by @andreasbaumann in https://github.com/monitoring-plugins/monitoring-plugins/pull/1689
• check_curl: fix if http header contains leading spaces by @sni in https://github.com/monitoring-plugins/monitoring-plugins/pull/1666
• check_curl: Update check_curl.c to display a specific human-readable error message where possible by @bazzisoft in https://github.com/monitoring-plugins/monitoring-plugins/pull/1668
• check_curl: verify certificates option should not force SSL to be used by @bazzisoft in https://github.com/monitoring-plugins/monitoring-plugins/pull/1688
• check_disk: Check disk compiler warnings by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1758
• check_disk: Description for -M was the wrong way around by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1746
• check_disk: Fixing the stuff that is broken on btrfs by @waja in https://github.com/monitoring-plugins/monitoring-plugins/pull/1388
• check_disk: Fix perfdata for big values for check disk by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1714
• check_disk_smb: Add configfile feature by @Napsty in https://github.com/monitoring-plugins/monitoring-plugins/pull/1402
• check_disk_smb: Add timeout by @cdruee in https://github.com/monitoring-plugins/monitoring-plugins/pull/1770
• check_disk: Trivial printf fix and a little bit of code style by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1695
• check_dns: Add --expect-nxdomain by @Jonny007-MKD in https://github.com/monitoring-plugins/monitoring-plugins/pull/1623
• check_dns: split multiple IP addresses passed in one -a argument by @DerDakon in https://github.com/monitoring-plugins/monitoring-plugins/pull/1649
• check_file_age: Make size parameter a little bit more intelligible by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1730
• check_fping: Implements 'host-alive' mode (Closes. #1027) by @waja in https://github.com/monitoring-plugins/monitoring-plugins/pull/1740
• check_game: Update Url to qstat by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1725
• check_http: changed 'STATE_CRITICAL' to 'STATE_WARNING' for infinite loop by @xFuture603 in https://github.com/monitoring-plugins/monitoring-plugins/pull/1690
• check_http: Docs: make -C obvious by @stblassitude in https://github.com/monitoring-plugins/monitoring-plugins/pull/1554
• check_http: Increase regexp limit by @hydrapolic in https://github.com/monitoring-plugins/monitoring-plugins/pull/1566
• check_http: Support http redirect by @waja in https://github.com/monitoring-plugins/monitoring-plugins/pull/1449
• check_icmp: buffer offerflow by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1733
• check_icmp: delay set_source_ip() until address_family is detected by @ghciv6 in https://github.com/monitoring-plugins/monitoring-plugins/pull/1735
• check_icmp: Fix "Invalid Argument" from sendmsg() under FreeBSD 13.1 and "setsockopt failed" for TTL setting by @eriksejr in https://github.com/monitoring-plugins/monitoring-plugins/pull/1771
• check_icmp: Fix pkt perfdata in check_host mode by @sjoegren in https://github.com/monitoring-plugins/monitoring-plugins/pull/1721
• check_ifoperstatus: Re-attach a comment to where it actually belongs by @peternewman in https://github.com/monitoring-plugins/monitoring-plugins/pull/1699
• check_ircd: Restrict the nickname length of the test user for check_ircd by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1710
• check_ldap: Allows check_ldap to read password from environment variable by @mullumaus in https://github.com/monitoring-plugins/monitoring-plugins/pull/1724
• check_load: add LOAD prefix to load plugin by @haraldj in https://github.com/monitoring-plugins/monitoring-plugins/pull/1694
• check_load: Check load compiler warnings by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1759
• check_load: Display total and scaled load values if check_load scales the values by number of CPUs by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1778
• check_log: Missing oldlog now aborts check_log by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1732
• check_log Modernize check log by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1692
• check_mailq: Add mailq -C option for config dir or config file by @leeclemens in https://github.com/monitoring-plugins/monitoring-plugins/pull/1490
• check_mailq: Check mailq domain specific warnings by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1731
• check_mailq: Fix regexp for nullmailer "mailq" output by @darksoul42 in https://github.com/monitoring-plugins/monitoring-plugins/pull/1493
• check_mailq: remove duplicate W=i/C=i args in check_mailq.pl by @ichdasich in https://github.com/monitoring-plugins/monitoring-plugins/pull/1755
• check_mysql: fix for issue #1562 by @ghciv6 in https://github.com/monitoring-plugins/monitoring-plugins/pull/1644
• check_ntp: Check ntp remove unused variables by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1781
• check_pgsql: add --queryname parameter to check_pgsql by @datamuc in https://github.com/monitoring-plugins/monitoring-plugins/pull/1741
• check_pgsql: Using snprintf which honors the buffers size and guarantees null temination. (Closes: #1601) by @waja in https://github.com/monitoring-plugins/monitoring-plugins/pull/1663
• check_ping: Do not show RTA if no connection was possible by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1697
• check_ping: understang ping6 output from iputils package by @glensc in https://github.com/monitoring-plugins/monitoring-plugins/pull/1412
• check_proc: Fix check proc ps detection by @sni in https://github.com/monitoring-plugins/monitoring-plugins/pull/1712
• check_procs: exchange needle and haystack in strstr() for proper st… by @wolfgangkarall in https://github.com/monitoring-plugins/monitoring-plugins/pull/1654
• check_procs: Fix double percentage sign in usage by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1743
• check_sensors.sh: Make shellcheck happier by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1679
• check_smtp: add -L flag to support LMTP (LHLO instead of HELO/EHLO). by @ghen2 in https://github.com/monitoring-plugins/monitoring-plugins/pull/1715
• check_snmp: Added option for null zero length string exit codes by @FracKenA in https://github.com/monitoring-plugins/monitoring-plugins/pull/1496
• check_snmp: Fixed option description authpassword -> authpasswd + whitespaces by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1676
• check_snmp: fix performance thresholds when using multiple oids by @sni in https://github.com/monitoring-plugins/monitoring-plugins/pull/1722
• check_snmp fix segfaults by @adrb in https://github.com/monitoring-plugins/monitoring-plugins/pull/1589
• check_snmp: put the "c" (to mark a counter) after the perfdata value by @lausser in https://github.com/monitoring-plugins/monitoring-plugins/pull/1465
• check_swap: Check swap compiler warnings by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1756
• check_swap: fix parsing swap values by @sni in https://github.com/monitoring-plugins/monitoring-plugins/pull/1780
• check_swap: Fix perfdata for check swap by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1707
• check_swap: Fix unit for total in perfdata by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1779
• check_swap: Handle cached swap by @mdavranche in https://github.com/monitoring-plugins/monitoring-plugins/pull/1642
• check_swap: Small fix to threshold validation and style (indentation) fixes by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1723
• check_ups: Fix possible overflow in check_ups by @phibos in https://github.com/monitoring-plugins/monitoring-plugins/pull/1727
• check_uptime: Add option to report uptime in days instead of seconds by @amotl in https://github.com/monitoring-plugins/monitoring-plugins/pull/1750
• check_uptime: Fix/improve output message "Uptime is ..." by @amotl in https://github.com/monitoring-plugins/monitoring-plugins/pull/1751

Multiple Plugins

• check_http, check_curl: added --max-redirs=N option (feature #1684) by @andreasbaumann in https://github.com/monitoring-plugins/monitoring-plugins/pull/1744
• check_http, check_curl: Enhancement --continue-after-certificate (backport from nagios-plugins) by @andreasbaumann in https://github.com/monitoring-plugins/monitoring-plugins/pull/1762
• check_http, check_curl: Remove check_http and check_curl test which are somehow always failing by @RincewindsHat in https://github.com/monitoring-plugins/monitoring-plugins/pull/1777
• check_log, check_oracle, check_sensors: Several fixes shellcheck complaining about by @waja in https://github.com/monitoring-plugins/monitoring-plugins/pull/1459
• sslutils: use chain from client certificates by @tobiaswiese in https://github.com/monitoring-plugins/monitoring-plugins/pull/1664

Non functional changes

• Trivial source code whitespace formatting fixes to standard. by @ziesemer in https://github.com/monitoring-plugins/monitoring-plugins/pull/1424

New Contributors

• @timgates42 made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1652
• @andreasbaumann made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1667
• @hydrapolic made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1566
• @stblassitude made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1554
• @RincewindsHat made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1691
• @xFuture603 made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1690
• @peternewman made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1699
• @Jonny007-MKD made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1623
• @haraldj made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1694
• @ghen2 made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1715
• @sjoegren made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1721
• @wolfgangkarall made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1654
• @mullumaus made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1724
• @phibos made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1682
• @darksoul42 made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1493
• @leeclemens made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1490
• @mdavranche made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1642
• @nafets made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1301
• @FracKenA made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1496
• @glensc made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1412
• @ziesemer made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1424
• @tobiaswiese made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1664
• @amotl made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1750
• @Napsty made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1402
• @ichdasich made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1755
• @cdruee made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1770
• @archiecobbs made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1774
• @eriksejr made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1771
• @adrb made their first contribution in https://github.com/monitoring-plugins/monitoring-plugins/pull/1589

Full Changelog: https://github.com/monitoring-plugins/monitoring-plugins/compare/v2.3.1...v2.3.2

The Monitoring Plugins Development Team is proud to announce version 2.3.1 of the Monitoring Plugins!
This release comes with various fixes provided by more than ten contributors, mostly for check_curl. Many thanks to all of you!

For the list of notable changes in this release, see:

https://www.monitoring-plugins.org/news/release-2-3-1.html

Happy monitoring!

The Monitoring Plugins Development Team is proud to announce version 2.3
of the Monitoring Plugins! This release comes with various enhancements
and fixes provided by more than fourty contributors. Many thanks to all
of you!

For the list of notable changes in this release, see:

https://www.monitoring-plugins.org/news/release-2-3.html

Happy monitoring!