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1 This file documents the major additions and syntax changes between releases.
3 2.1
4 ENHANCEMENTS
5 New check_hpjd -p option for port specification (abrist)
6 New ./configure --with-qmail-qstat-command option to specify the path to
7 qmail-qstat(8)
9 2.0 11th July 2014
10 ENHANCEMENTS
11 check_mailq now supports auto detection of qmail, postfix, exim and nullmailer with
12 fallback to sendmail
13 check_ide_smart now defaults to plugin output, original output appended with -v
14 Extra-Opts are now enabled by default, see:
15 https://www.monitoring-plugins.org/doc/extra-opts.html
16 check_swap now supports a configurable state when there is no swap
17 check_radius now supports the FreeRADIUS Client library
18 New check_mysql_query -f option to specify a client options file
19 New check_mysql_query -g option to specify a client options group
20 Add performance data to check_mysql_query
21 New check_file_age -i/--ignore-missing option to return OK on nonexistent files
22 Make check_ping, check_users, and check_disk work on Windows
23 New check_ssh -P option to specify the expected SSH protocol version
24 check_dns now emits the warning and critical thresholds with the performance data
26 FIXES
27 Don't let e.g. check_http's -C option reset SSL version if e.g. -S 1 -C 5 is specified
28 Don't have check_http's -N option expect an argument
29 check_ide_smart could disable offline auto tests but could not re-enable them.
30 For this reason all SMART command modes have been disabled.
31 check_dig: fix wrong IPv6 arguments order (Stéphane Bortzmeyer)
32 check_dig: make sure not to give up too early when a timeout is specified with -t
33 check_log: don't stumble over log lines that include a "%" character
34 check_nt: add UPTIME to perfdata
35 Handle SNMPv3 noAuthNoPriv properly with check_snmp
36 Fix compilation with GnuTLS
38 WARNINGS
39 New default installation prefix: /usr/local instead of /usr/local/nagios
40 check_snmp now evaluates negative values properly, which means it might return CRITICAL
41 in cases where it used to return OK. If this is undesired, the warning/critical
42 threshold(s) must be fixed by specifying e.g. ~:100 instead of 100
43 check_procs now ignores its parent process to avoid unexpected results when invoked via
44 certain shells
45 utils.sh no longer defines ECH
46 check_ide_smart -q/--quiet and -n/--nagios (Nagios-compatible output) are now deprecated
47 but accepted for backward-compatibility
48 check_ide_smart -0/--auto-off, -1/--auto-on and -i/--immediate: options have
49 been disabled because they were broken
50 State retention: the NAGIOS_PLUGIN_STATE_DIRECTORY environment variable has been
51 renamed MP_STATE_PATH. The old variable will continue to work in v2.0.x
52 Add the UID of the invoking user to the state retention file path. This helps solving
53 permission issues when different users run the same plugin
54 check_swap used to allow returning OK on a system without swap when only percent thresholds
55 were used. This is no longer the case and one must now use -n/--no-swap=<state>
56 The Perl and Shell plugins now use the PATH specified via ./configure's --trusted-path
57 option, or "/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin" by default
59 1.5 2nd October 2013
60 ENHANCEMENTS
61 New check_dbi plugin for checking an (SQL) database using DBI
62 Let OpenSSL load its configuration file (see the OPENSSL_config(3) man page)
63 Add performance data to check_apt
64 Add performance data to check_procs
65 Added -4/-6 options to check_dig (Ville Mattila)
66 New check_oracle --connect option to perform real login
67 New check_nagios -t option to override the default timeout
68 New check_disk -f/--freespace-ignore-reserved option to ignore space reserved for root
69 New check_disk -N/--include-type option to limit the filesystem types to check
70 Allow for building the plugins in parallel
71 Add --without-{dbi,ldap,radius} options to ./configure
72 Made Verbose output of check_sensors compliant (Gabriele Tozzi)
73 New switch -E/--extended-perfdata for check_http to print additional performance data (Sebastian Nohn)
74 New check_http -d option to specify a string to expect within the response headers
75 New check_http -J/-K options for client certificate authentication support
76 Add support for executing queries to check_pgsql
77 Let check_pgsql accept a UNIX socket directory as hostname
78 New check_pgsql -o option to specify additional connection parameters
79 New check_fping -S option to specify the source IP address
80 New check_fping -I option to specify the interface to bind to
81 Let check_fping support IPv6
82 New check_procs -k option to ignore kernel threads (on Linux)
83 Let check_procs use /proc/<PID>/exe (if available) instead of getpid(2), unless -T is specified
84 Let check_mysql support SSL
85 Let check_mysql add perfromance metrics for all checks
86 New check_mysql -f option to specify a client options file
87 New check_mysql -g option to specify a client options group
88 New check_snmp --offset option to allow for adding/substracting an offset value to sensor data
89 Let check_snmp support an arbitrary number of OIDs
90 Let check_ide_smart support NetBSD
92 FIXES
93 Change the MAIL FROM command generated by check_smtp to be RFC compliant
94 Fix compilation of check_http without SSL support
95 Fix check_snmp reversed threshold ranges (backward-compatibility)
96 Fix check_snmp memory violation when using more than 8 oids (Robin Sonefors)
97 Fix check_apt security regular expression (Alex Bradley)
98 Fix check_http handling extra header (-k) containing semicolons (Richard Leitner)
99 Fix check_apt handling unknown exit codes from apt-get (Richard Leitner)
100 Fix deprecated imports of check_nmap.py (Fabio Rueda)
102 WARNINGS
103 check_http behaviour of -k/--header changed since it does not seperate multiple headers by semicolons anymore. Use multiple -k switches instead.
104 check_http's --proxy_authorization option is now called --proxy-authorization (it was always documented this way)
105 The contrib directory has been removed from this distribution
107 1.4.16 27th June 2012
108 ENHANCEMENTS
109 check_nt UPTIME accepts warning/critical thresholds (Ryan Kelly)
110 check_disk_smb now allows spaces in share names (#990948, #1370031, Debian #601699)
111 check_http now uses standard threshold functions (enables floating point and ranges)
112 check_http now checks for and prints the certificate cn (hostname) in SSL certificate checks (Stéphane Urbanovski)
113 check_http now supports an optional -S/--ssl value to choose the SSL protocol version (#3066166 - Jason Lunn)
114 Add perfdata to check_ssh (#3244097 - Marco Beck)
115 New option to check_smtp to ignore failures when sending QUIT (#3358348 - Duncan Ferguson)
116 New check_by_ssh -F option which allows for specifying an alternative ssh_config(5) file (#2895334 - Sven Nierlein)
117 check_sensors now detects faulty sensors unless --ignore-fault is specified (Jan Wagner)
118 utils.sh now provides a check_range function (Alex Griffin)
119 Improved the performance of check_users (Marc Remy)
120 Add perfdata to check_disk_smb (Debian #654259 - Charles-Henri Larose)
121 Updated Nagios::Plugin perl module
122 Add warning threshold to certificate expiration checks of check_tcp/http/smtp (William Leibzon)
123 Add --perf-oids option for check_snmp (Jochen Bern)
125 FIXES
126 Fix check_disk free space calculation if blocksizes differ within a disk group (Bekar - #2973603)
127 check_disk_smb now handles NT_STATUS_ACCESS_DENIED properly (Debian #601696)
128 Make check_snmp work more like v1.4.14 with regard to using special values (Timeticks, STRING) as numeric thresholds
129 Fix check_ldap overriding the port when --ssl was specified after -p
130 Fix check_procs where regex input of '|' would get displayed in output - now replaced with ','
131 Fix segfault in check_host when hostname returns multiple IP addresses (Sebastian Harl)
132 Fix check_smtp and check_tcp where duplicate messages were displayed for certificate errors
133 Fix check_ping's parsing of ping6(1) output (#1894850, Debian #514588, Debian #662638 - Matej Vela)
134 Fix a check_dhcp bug which was triggered by checking Windows 2003 DHCP servers (#3503921)
135 Disable RFC4507 support, to work around SSL negotiation issues with (at least) some Tomcat versions
136 Fix performance data label containing spaces in check_snmp (Jochen Bern)
138 1.4.15 27th July 2010
139 ENHANCEMENTS
140 New check_ntp_peer -m and -n options to check the number of usable time sources ("truechimers")
141 New check_disk_smb -a option which allows for specifying the IP address of the remote server
142 New check_radius -N option which allows for specifying the value of the NAS-IP-Address attribute
143 New check_snmp --rate option to store differences between invocations. Saves state in PREFIX/var/{plugin}
144 check_snmp -l label option now also changes the perfdata label. See WARNINGS
145 check_snmp has an --invert-search option which reverses status of the string and regexp searches
146 check_http now displays the missing search string and the URL in the output when failed (Duncan Ferguson - #2999924)
147 Updated Nagios::Plugin perl module
148 Updated gnulib to June 2010
150 FIXES
151 Fix check_ircd binding to wrong interface (#668778)
152 Add proxy-authorization option to check_http (Marcel Kuiper - #1323230, Bryan Irvine - #2863925)
153 check_icmp now increment the sequence counter in each packet
154 Fix usage of repeated -o options in check_snmp
155 Try to detect arguments passed via --with-ping[6]-command and set options accordingly (#2908236)
156 Fix memory leak in check_http for large pages (Jimmy Bergman - #2957455)
157 Fix compilation with GCC 2.96 (Konstantin Khomoutov - #2977105)
158 Fix regression introduced in #1867716 where partially valid performance strings would not be printed anymore
159 Fix regression in check_http ssl checks on some servers - make SNI an option
160 Fix guest mode support in check_disk_smb
161 Fix check_disk_smb and check_ircd failures when run via ePN
162 check_ldap now allows for specifying an empty LDAP base
163 Fix compilation error of pst3 in Solaris 8
164 Fix check_radius returning OK on unexpected results (Craig Leres - #2911752)
165 Fix translations when extra-opts aren't enabled (Jan Wagner - #2832884)
166 Fix parsing of multi-line strings in check_snmp (broken in 1.4.14) and enhance output in such case (#2832451)
167 Fix detection of pst3 64-bit compile flags with Sun CC
168 Fix cmd_run overwriting the environment, which would break some commands that needed it
169 Allow check_ifstatus to accept version=2c - used to only allow version=2 (Brian Landers)
170 Fix examples in check_disk, where it implied was possible to suffix unit values to warn/crit parameters
172 WARNINGS
173 Updated developer documentation to say that performance labels should not have an equals sign or
174 single quote in the label
175 check_http 1.4.14 introduced SSL SNI support - you now have to enable it explicitly with "--sni"
176 check_snmp -l label option is also used for the performance label. This could change history from previous uses
178 1.4.14 16th September 2009
179 check_http has options to specify the HTTP method (#2155152)
180 check_users thresholds were not working exactly as documented (>= rather than >)
181 Updated tinderbox_build script to point to new tinderbox server
182 check_ifoperstatus -n flag now works as expected (sf.net #1569488)
183 check_ifoperstatus now supports ifType based lookup for ifIndex
184 check_ups now sends a LOGOUT string (debian bug #387001)
185 Extra-opts (C plugins) now allows both '#' and ';' for comments (like N::P)
186 Extra-opts (C plugins) does not allow trailing comments anymore (like N::P)
187 Fixed dependency issue on libtap when ./configure --enable-libtap used. Warning: will install libtap
188 Fixed segfault in extra-opts under some circumstance when reading multiple sections
189 Fix long options parsing in check_disk, check_dns, check_mrtg, check_mrtgtraf and check_tcp
190 Add missing long options for check_nt (for use with extra-opts)
191 check_icmp now reports min and max round trip time perfdata (Steve Rader)
192 Fixed check_http bug where additional headers with redirection caused a segfault (Dieter Van de Walle - 2089159)
193 check_disk: make autofs mount paths specified with -p before we determine the mount list (Erik Welch)
194 Fixed buffer overflow in check_ntp/check_ntp_peer (#1999319, Ubuntu #291265)
195 Re-bundled libtap as a built-in library (--enable-libtap): detects system library as pre-1.4.13 and does not install the built-in library anymore
196 Fixed check_mrtg returning UNKNOWN instead of OK (bug #2378068)
197 Fixed check_http behaviour: all check are now performed as long as a valid response is returned (sf.net #1460312)
198 check_http --onredirect=sticky follows using the same IP address (sf.net #2550208)
199 check_http --onredirect=stickyport also follows the same port
200 Fixed coredump from check_nt when invalid drive is specified (#2179754 - Olli Hauer)
201 Fixed crash from check_nt when -H unspecified or given multiple times (sf.net #2731755, debian #521097)
202 Fixed passing of quotes in OID for check_snmp (#1985230 - Jan Wagner, patch by John Barbuto)
203 Fixed check_http sending HTTP/1.0 with v1.1 headers (#2638765)
204 Fixed check_http not timing-out on redirects
205 Fixed negate not printing the real timeout in ALRM handler when left to default
206 negate timeout result is now configurable
207 Fixed segfault in check_mysql with old slaves (#2696823 - Oskar Ahner)
208 check_nt can return UNKNOWN on timeouts (-u)
209 Fixed typos for check_disk (Chris Pepper)
210 Fixed check_mysql* not using password set in my.cnf (#2531905 - Ben Timby) - Specify an empty password explicitly if you need to override it.
211 Fixed awk subst.in/subst script path error (#2722832 - Martin Foster)
212 check_http: Add SSL/TLS hostname extension support (SNI) - (#1939022 - Joe Presbrey)
213 Fixed wrong perfdata label for output traffic in check_mrtgtraf (#2654308 - Gavin Williams)
214 Fixed check_by_ssh interpretation of quotes in -C parameter (#1985246, #2268675)
215 check_snmp now supports standard threshold ranges and doubles (floating numbers) in thresholds
216 check_fping now supports passing target timeout and interval to fping (#2347686 - Martin Foster)
217 Fixed SNMPv3 behaviour of check_ifoperstatus and check_ifstatus. Added -P to define privprotocol (#2343438 - Robin Schroeder)
218 check_ifoperstatus and check_ifstatus are now more user-friendly in case of missing arguments
219 pst3 compile fix for Sun Studio Compiler (Grant Byers)
221 1.4.13 25th Sept 2008
222 Fix Debian bug #460097: check_http --max-age broken (Hilko Bengen)
223 Optimised pst3 for systems with large number of processes (Duncan Ferguson)
224 Updated Nagios::Plugin to 0.27
225 Fix Debian bug #479013: check_dig's -l is mandatory now (sf.net #1986306)
226 check_dig now returns CRITICAL instead of WARNING when no answer section is found
227 check_procs now captures stderr in external command and adds to plugin output
228 check_snmp now only prints perfdata for non numeric values (#1867716)
229 check_icmp now supports packet size modification
230 check_http -e now accepts a comma-delimited list of expected status codes (Sven Nierlein)
231 libtap now included with this distribution for easier testing. Run ./configure with --enable-libtap
232 check_ntp_peer/check_ntp_time used to show port in --help but ignored the argument - now implemented
233 Fix possible segfault in check_ntp_peer with deliberately invalid packets
235 1.4.12 27th May 2008
236 Added ./check_nt -v INSTANCES to count number of instances (Alessandro Ren)
237 New check_icmp -s option to specify the source IP address
238 check_dns now sorts addresses for testing results for more than one returned IP (Matthias Urlichs)
239 Fix segfault in check_ntp_time and (deprecated) check_ntp (Bug #1862300)
240 check_disk should now work with large file systems (2TB+) on all archs that supports it
241 Fixed check_disk disk usage calculation when using --group=NAME (related to bug #1348746)
242 Fix help text of check_ntp* (Bug #1880095)
243 Fix bugs and flaws in best offset server selection of check_ntp_time and (deprecated) check_ntp
244 check_ntp_peer now checks for the LI_ALARM flag
245 Sync to latest Gnulib (includes new floorf function)
246 check_pgsql now successfully builds with postgres lib v8.3 (Bug #1878972)
247 check_procs now accepts --ereg-argument-array for a regular expression match to the argument array
248 Reverted back to using pst3 for Solaris systems. Fixed issues re: -m64 needed to compile on 64bit systems
249 If applicable, Gettext linked dynamically instead of statically
250 check_dig can now pass arguments to dig by using -A/--dig-arguments (#1874041/#1889453)
251 check_ntp and check_ntp_peer now show proper jitter/stratum thresholds longopts in --help
252 check_dns now allow to repeat -a to match multiple possibly returned address (common with load balancers)
253 check_mysql and check_radius now try clearing password in processlist just like check_mysql_query
254 check_mysql and check_mysql_query now support sockets explicitely (-s, --socket)
255 negate now has the ability to replace the status text as well (-s, --substitute)
256 Added performance data to check_ping (Christian Schneemann)
257 Added support for --extra-opts in all C plugins (disabled by default, see configure --help)
258 Fixed passive option in check_by_ssh
259 On non-skipped stderr, check_by_ssh now returns UNKNOWN or worse (result from command) instead of always UNKNOWN.
260 Fix linking against OpenSSL where libdl is required
262 1.4.11 13th December 2007
263 Fixed check_http regression in 1.4.10 where following redirects to
264 relative URLs on virtual hosts failed if both "-H" and "-I" were used
265 Merged two new checks that deprecates check_ntp: check_ntp_peer and check_ntp_time.
266 You should read the --help output so see which one is suitable for you. check_ntp_peer
267 implement stratum thresholds support (feature request #1703823).
268 check_ntp now returns UNKNOWN instead of WARNING if jitter is unavailable (jitter=-1.000000)
269 as long as the thresholds range include -1. If no offset threshold is specified
270 and the offset is unavailable, will return UNKNOWN as well.
271 NOTE: If jitter thresholds are specified as integers it will return CRITICAL if jitter
272 is "-1" as the default range starts at 0. See Examples in --help output.
273 Fixed broken usage2 in check_snmp and check_cluster
274 check_cluster now accepts all valid characters in its thresholds ("-", "@", "~")
275 Fixed check_disk reporting OK if disk usage grows over 100% (bug #1348746).
276 The problem happens to be in Gnulib but a workaround have been implemented in check_disk.c
277 Fixed check_load argument handling when not passing triplets (bug #1831890)
278 Fixed buffer overflow in check_snmp (CVE-2007-5623)
279 Tinderbox builds now runs tests in a verbose mode
280 Updated Nagios::Plugin to 0.22
281 VPATH problem fixed for compiling plugins-root
283 1.4.10 28th September 2007
284 Fix check_http buffer overflow vulnerability when following HTTP redirects (CVE-2007-5198)
285 check_http now explicitly asks HTTP/1.1 servers to close the connection
286 after completion of the response
287 Check_ldaps' guessing which secure method to use (starttls vs. ssl on connect)
288 is now deprecated. See --help for further information.
289 Check_disk now calls stat() on all filesystems to check. (Old: only the ones selected using -p)
290 A meaningful error message (eg "Stale NFS Handle") is printed if stat fails.
291 New check_disk option -L: Only check local filesystems, but call stat() on remote ones, too.
292 Thus accessibility of remote filesystems can be checked without any threshold comparison.
293 Check_disk's --help now prints some examples for the new features introduced in 1.4.8
294 New check_disk -i/-I option to ignore pathes/partitions based on regular expressions
295 New check_disk -A option to select all filesystems explicitly
296 WARNING: check_disk's -E option must now be passed before -p or -r/-R arguments
297 Passing -E after -p or -r results in UNKNOWN state, now
298 This is needed due to the new ignore feature
299 Fix check_disk bug when mixing case sensitive and case insensitive regex arguments
300 New check_dhcp -u/--unicast option for emulating a DHCP relay in order
301 to check DHCP servers on remote networks
302 New check_dhcp -m/--mac option which allows for specifying the MAC
303 address to use in the DHCP request
304 The check_dhcp -r and -s options now accept host names, too
305 Fix possible check_icmp bus errors on some (non-x86/AMD64) platforms
306 Fix check_smtp's handling of multiple-packet server responses
307 WARNING: Fix for negate which may break existing commands:
308 - stop evaluating command line options through shell twice
309 - enforce a full path for the command to run
310 The "negate" utility can now remap custom states
311 Check_radius now supports radiusclient-ng
312 The (undocumented) positional parameter parsing which check_radius used
313 instead of getopt(3) if 8 arguments were given is no longer available
314 Check_by_ssh now supports multiline output
315 IPv6 support can now be disabled using ./configure --without-ipv6
316 Fix check_ntp now honor ntp flags
318 1.4.9 4th June 2007
319 Inclusion of contrib/check_cluster2 as check_cluster with some improvements
320 New/improved -E/--skip-stderr and -S/--skip-stdout options for check_by_ssh
321 check_snmp now supports Counter64
322 Fix compilation of check_ldap, check_radius and check_pgsql
323 check_load can optionally divide by number of cpus
324 Fix check_time returning wrong OK when time is before the epoch on some arch
325 Make check_http output more consistent
326 Fix possible check_http segfaults when following HTTP redirects
327 check_snmp don't warn anymore if something is printed on stderr
328 Fix check_tcp segfault when multiple expect strings are given
329 New option for check_tcp: -A/--all to test if all given expect strings match
331 1.4.8 11th April 2007
332 Respects --without-world-permissions for setuid plugins
333 check_disk extra options for regex matching of filesystems and grouping of filesystems
334 for collective thresholds
335 Better configure test for mysqlclient availability
336 Various check_ntp fixes
338 1.4.7 29th March 2007
339 check_procs uses /usr/ucb/ps if available - fixes pst3 problems on Solaris
340 Fixed MKINSTALLDIRS problem in po/
341 ./configure now detects if possible to compile check_mysql
342 Fixed broken HELO in check_smtp
343 check_icmp now allows to set a minimum number of hosts required for successs (-m)
344 check_icmp fix for *BSD when running for long time
345 check_ping times out 1 second quicker if host is unreachable
346 Root plugins installed with world executable
347 check_sybase from contrib now maintained in MonitoringExchange
348 --with-nagios-user/group reinstated ./configure option
349 New --without-world-permissions ./configure option
351 1.4.6 5th February 2007
352 Reduced number of DNS lookups in check_ping and netutils.c for IPv6 configurations
353 Fixed compile problems with *BSD re: alloca.h
354 Fixed Solaris problems with check_swap (tested on Solaris 9)
355 Fixed check_swap for HP/UX where swapinfo command was incorrect
356 Fixed check_disk inode threshold checks, regressed at r1.4.4.
357 Fixed crit/warn for check_disk perf data
358 Fixed buffer overflow in check_procs
359 Fixed error handling for UNIX sockets in netutils.c
360 New -q and -o options for check_by_ssh which are handed over to ssh(1) as is
361 Synced with latest GNUlib
362 Fixed check_jabber always returns warning
364 1.4.5
365 Fixed bug in perl's is_hostname routine
367 1.4.4
368 New C based check_ntp. The perl version is now deprecated.
369 New check_apt plugin
370 Notice: plugins in contrib/ will start to be removed from this distribution.
371 Please check at http://www.monitoringexchange.org for contributed plugins
372 Major bug fixes to check_disk where values were incorrectly calculated and alerted on.
373 check_udp2 removed. check_udp is now linked to check_tcp.c
374 check_mailq now errors if the sub-program run returns non-zero return code. This would appear
375 as if mailqs were okay when the nagios user could not query the mail-queues
376 Compile problems with check_snmp fixed
378 1.4.3
379 Setuid plugins (check_dhcp, check_icmp) separated into plugins-root/. Run make install as root to install
380 SSL plugins work with gnutls as well as OpenSSL
381 check_mysql_query added to run arbitrary SQL commands, with threshold checking
382 libtool now required for development systems
383 Notice: check_udp (compiled from check_udp.c) will be deprecated in the next release.
384 check_udp2 should be used instead and will be renamed to check_udp
386 1.4.2
387 Fix for Redhat ES4 for check_dns and check_dig
389 1.4
390 IPv6 support in check_ping, check_by_ssh, check_http, check_ldap, check_smtp, check_tcp
391 Internationalisation support
392 Performance data added to most plugins
393 check_disk now using GNU coreutils code
394 New plugins - check_dhcp, check_icmp
395 contrib/check_citrix has been replaced by contrib/check_ica* (requires packet_utils.pm in libexec)
396 check_http --min changed to --pagesize, added max so min:max in check
397 check_vsz and check_rss deprecated - functionality moved into check_procs
398 check_swap % thresholds changed to measure amount free, instead of amount used
399 check_disk syntax changes for -p, -m/-M, defaults to MB instead of kB
400 check_procs -C expects no path for the command name