title: Version 2.3 Released
author: Jan Wagner
date: 2020-12-10
---

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 thirty contributors, a highlight might be the inclusion of
`check_curl`.  Many thanks to all of you!
<end-of-teaser>

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

You can get the tarball from our [download page][download].

## Enhancements
* `check_dns`: allow 'expected address' (`-a`) to be specified in CIDR notation (IPv4 only).
* `check_dns`: allow for IPv6 RDNS
* `check_dns`: Accept CIDR
* `check_dns`: allow unsorted addresses
* `check_dns`: allow forcing complete match of all addresses
* `check_apt`: add `--only-critical` switch
* `check_apt`: add `-l`/`--list` option to print packages
* `check_file_age`: add range checking
* `check_file_age`: enable to test for maximum file size
* `check_apt`: adding packages-warning option
* `check_load`: Adding top consuming processes option
* `check_http`: Adding Proxy-Authorization and extra headers
* `check_snmp`: make calcualtion of timeout value in help output more clear
* `check_uptime`: new plugin for checking uptime to see how long the system is running
* `check_curl`: `check_http` replacement based on `libcurl`
* `check_http`: Allow user to specify HTTP method after proxy CONNECT
* `check_http`: Add new flag `--show-body`/`-B` to print body
* `check_cluster`: Added data argument validation
* `check_icmp`: Add IPv6 support
* `check_icmp`: Automatically detect IP protocol
* `check_icmp`: emit error if multiple protocol version
* `check_disk`: add support to display inodes usage in perfdata
* `check_hpjd`: Added `-D` option to disable warning on 'out of paper'
* `check_http`: support the `--show-body`/`-B` flag when `--expect` is used
* `check_mysql`: allow mariadbclient to be used
* `check_tcp`: add `--sni`
* `check_dns`: detect unreachable dns service in `nslookup` output

## Fixes

* Fix regression where `check_dhcp` was rereading response in a tight loop
* `check_dns`: fix error detection on sles nslookup
* `check_disk_smb`: fix timeout issue
* `check_swap`: repaired `-n` behaviour
* `check_icmp`: Correctly set `address_family` on lookup
* `check_icmp`: Do not overwrite `-4`,`-6` on lookup
* `check_smtp`: initializes n before it is used
* `check_dns`: fix typo in parameter description
* `check_by_ssh`: fix child process leak on timeouts
* `check_mysql`: Allow sockets to be specified to `-H`
* `check_procs`: improve command examples for 'at least' processes
* `check_disk`: include `-P` switch in help
* `check_mailq`: restore accidentially removed options

[download]: /download.html

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