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+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
+
+<!--% # vim:set filetype=markdown textwidth=78 joinspaces expandtab: # %-->