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This file documents the major additions and syntax changes between releases.
1.4.12 27th May 2008
Added ./check_nt -v INSTANCES to count number of instances (Alessandro Ren)
New check_icmp -s option to specify the source IP address
check_dns now sorts addresses for testing results for more than one returned IP (Matthias Urlichs)
Fix segfault in check_ntp_time and (deprecated) check_ntp (Bug #1862300)
check_disk should now work with large file systems (2TB+) on all archs that supports it
Fixed check_disk disk usage calculation when using --group=NAME (related to bug #1348746)
Fix help text of check_ntp* (Bug #1880095)
Fix bugs and flaws in best offset server selection of check_ntp_time and (deprecated) check_ntp
check_ntp_peer now checks for the LI_ALARM flag
Sync to latest Gnulib (includes new floorf function)
check_pgsql now successfully builds with postgres lib v8.3 (Bug #1878972)
check_procs now accepts --ereg-argument-array for a regular expression match to the argument array
Reverted back to using pst3 for Solaris systems. Fixed issues re: -m64 needed to compile on 64bit systems
If applicable, Gettext linked dynamically instead of statically
check_dig can now pass arguments to dig by using -A/--dig-arguments (#1874041/#1889453)
check_ntp and check_ntp_peer now show proper jitter/stratum thresholds longopts in --help
check_dns now allow to repeat -a to match multiple possibly returned address (common with load balancers)
check_mysql and check_radius now try clearing password in processlist just like check_mysql_query
check_mysql and check_mysql_query now support sockets explicitely (-s, --socket)
negate now has the ability to replace the status text as well (-s, --substitute)
Added performance data to check_ping (Christian Schneemann)
Added support for --extra-opts in all C plugins (disabled by default, see configure --help)
Fixed passive option in check_by_ssh
On non-skipped stderr, check_by_ssh now returns UNKNOWN or worse (result from command) instead of always UNKNOWN.
Fix linking against OpenSSL where libdl is required
1.4.11 13th December 2007
Fixed check_http regression in 1.4.10 where following redirects to
relative URLs on virtual hosts failed if both "-H" and "-I" were used
Merged two new checks that deprecates check_ntp: check_ntp_peer and check_ntp_time.
You should read the --help output so see which one is suitable for you. check_ntp_peer
implement stratum thresholds support (feature request #1703823).
check_ntp now returns UNKNOWN instead of WARNING if jitter is unavailable (jitter=-1.000000)
as long as the thresholds range include -1. If no offset threshold is specified
and the offset is unavailable, will return UNKNOWN as well.
NOTE: If jitter thresholds are specified as integers it will return CRITICAL if jitter
is "-1" as the default range starts at 0. See Examples in --help output.
Fixed broken usage2 in check_snmp and check_cluster
check_cluster now accepts all valid characters in its thresholds ("-", "@", "~")
Fixed check_disk reporting OK if disk usage grows over 100% (bug #1348746).
The problem happens to be in Gnulib but a workaround have been implemented in check_disk.c
Fixed check_load argument handling when not passing triplets (bug #1831890)
Fixed buffer overflow in check_snmp (CVE-2007-5623)
Tinderbox builds now runs tests in a verbose mode
Updated Nagios::Plugin to 0.22
VPATH problem fixed for compiling plugins-root
1.4.10 28th September 2007
Fix check_http buffer overflow vulnerability when following HTTP redirects (CVE-2007-5198)
check_http now explicitly asks HTTP/1.1 servers to close the connection
after completion of the response
Check_ldaps' guessing which secure method to use (starttls vs. ssl on connect)
is now deprecated. See --help for further information.
Check_disk now calls stat() on all filesystems to check. (Old: only the ones selected using -p)
A meaningful error message (eg "Stale NFS Handle") is printed if stat fails.
New check_disk option -L: Only check local filesystems, but call stat() on remote ones, too.
Thus accessibility of remote filesystems can be checked without any threshold comparison.
Check_disk's --help now prints some examples for the new features introduced in 1.4.8
New check_disk -i/-I option to ignore pathes/partitions based on regular expressions
New check_disk -A option to select all filesystems explicitly
WARNING: check_disk's -E option must now be passed before -p or -r/-R arguments
Passing -E after -p or -r results in UNKNOWN state, now
This is needed due to the new ignore feature
Fix check_disk bug when mixing case sensitive and case insensitive regex arguments
New check_dhcp -u/--unicast option for emulating a DHCP relay in order
to check DHCP servers on remote networks
New check_dhcp -m/--mac option which allows for specifying the MAC
address to use in the DHCP request
The check_dhcp -r and -s options now accept host names, too
Fix possible check_icmp bus errors on some (non-x86/AMD64) platforms
Fix check_smtp's handling of multiple-packet server responses
WARNING: Fix for negate which may break existing commands:
- stop evaluating command line options through shell twice
- enforce a full path for the command to run
The "negate" utility can now remap custom states
Check_radius now supports radiusclient-ng
The (undocumented) positional parameter parsing which check_radius used
instead of getopt(3) if 8 arguments were given is no longer available
Check_by_ssh now supports multiline output
IPv6 support can now be disabled using ./configure --without-ipv6
Fix check_ntp now honor ntp flags
1.4.9 4th June 2006
Inclusion of contrib/check_cluster2 as check_cluster with some improvements
New/improved -E/--skip-stderr and -S/--skip-stdout options for check_by_ssh
check_snmp now supports Counter64
Fix compilation of check_ldap, check_radius and check_pgsql
check_load can optionally divide by number of cpus
Fix check_time returning wrong OK when time is before the epoch on some arch
Make check_http output more consistent
Fix possible check_http segfaults when following HTTP redirects
check_snmp don't warn anymore if something is printed on stderr
Fix check_tcp segfault when multiple expect strings are given
New option for check_tcp: -A/--all to test if all given expect strings match
1.4.8 11th April 2007
Respects --without-world-permissions for setuid plugins
check_disk extra options for regex matching of filesystems and grouping of filesystems
for collective thresholds
Better configure test for mysqlclient availability
Various check_ntp fixes
1.4.7 29th March 2007
check_procs uses /usr/ucb/ps if available - fixes pst3 problems on Solaris
Fixed MKINSTALLDIRS problem in po/
./configure now detects if possible to compile check_mysql
Fixed broken HELO in check_smtp
check_icmp now allows to set a minimum number of hosts required for successs (-m)
check_icmp fix for *BSD when running for long time
check_ping times out 1 second quicker if host is unreachable
Root plugins installed with world executable
check_sybase from contrib now maintained in NagiosExchange
--with-nagios-user/group reinstated ./configure option
New --without-world-permissions ./configure option
1.4.6 5th February 2007
Reduced number of DNS lookups in check_ping and netutils.c for IPv6 configurations
Fixed compile problems with *BSD re: alloca.h
Fixed Solaris problems with check_swap (tested on Solaris 9)
Fixed check_swap for HP/UX where swapinfo command was incorrect
Fixed check_disk inode threshold checks, regressed at r1.4.4.
Fixed crit/warn for check_disk perf data
Fixed buffer overflow in check_procs
Fixed error handling for UNIX sockets in netutils.c
New -q and -o options for check_by_ssh which are handed over to ssh(1) as is
Synced with latest GNUlib
Fixed check_jabber always returns warning
1.4.5
Fixed bug in perl's is_hostname routine
1.4.4
New C based check_ntp. The perl version is now deprecated.
New check_apt plugin
Notice: plugins in contrib/ will start to be removed from this distribution.
Please check at http://www.nagiosexchange.org for contributed plugins
Major bug fixes to check_disk where values were incorrectly calculated and alerted on.
check_udp2 removed. check_udp is now linked to check_tcp.c
check_mailq now errors if the sub-program run returns non-zero return code. This would appear
as if mailqs were okay when the nagios user could not query the mail-queues
Compile problems with check_snmp fixed
1.4.3
Setuid plugins (check_dhcp, check_icmp) separated into plugins-root/. Run make install as root to install
SSL plugins work with gnutls as well as OpenSSL
check_mysql_query added to run arbitrary SQL commands, with threshold checking
libtool now required for development systems
Notice: check_udp (compiled from check_udp.c) will be deprecated in the next release.
check_udp2 should be used instead and will be renamed to check_udp
1.4.2
Fix for Redhat ES4 for check_dns and check_dig
1.4
IPv6 support in check_ping, check_by_ssh, check_http, check_ldap, check_smtp, check_tcp
Internationalisation support
Performance data added to most plugins
check_disk now using GNU coreutils code
New plugins - check_dhcp, check_icmp
contrib/check_citrix has been replaced by contrib/check_ica* (requires packet_utils.pm in libexec)
check_http --min changed to --pagesize, added max so min:max in check
check_vsz and check_rss deprecated - functionality moved into check_procs
check_swap % thresholds changed to measure amount free, instead of amount used
check_disk syntax changes for -p, -m/-M, defaults to MB instead of kB
check_procs -C expects no path for the command name
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