mirror of
https://github.com/opinkerfi/nagios-plugins.git
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302 lines
8.5 KiB
Perl
302 lines
8.5 KiB
Perl
#####################
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#
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# check_ad.pl - Nagios NRPE plugin to test Active Directory functionality
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#
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# This plugin requires tools netdiag and dcdiag from Support Tools
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#
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# This program is distributed under the Artistic License.
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# (http://www.opensource.org/licenses/artistic-license.php)
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# Copyright 2007-2009, Tevfik Karagulle, ITeF!x Consulting (http://itefix.no)
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use strict;
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use warnings;
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use Getopt::Long;
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use Win32;
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our $VERSION = "1.4";
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our $OK = 0;
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our $WARNING = 1;
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our $CRITICAL = 2;
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our $UNKNOWN = 3;
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our %status_text = (
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$OK => "OK",
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$WARNING => "WARNING",
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$CRITICAL => "CRITICAL",
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$UNKNOWN => "UNKNOWN"
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);
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our $is2000 = (Win32::GetOSName() eq 'Win2000');
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our $member = 0;
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our $dc = 0;
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our $help = 0;
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our $eventlog = 1; # take kccevent/frsevent into test set
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our $kerbtest = 1; # take kerberos into test set
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GetOptions (
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"member" => \$member,
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"dc" => \$dc,
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"eventlog!" => \$eventlog,
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"kerberos!" => \$kerbtest,
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"help" => \$help
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) || PrintUsage();
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# Form netdiag/dcdiag command arguments
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our $netdiagcmd = "netdiag /test:dns /test:dsgetdc /test:ldap";
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our $dcdiagcmd = "dcdiag /test:services /test:replications /test:advertising /test:fsmocheck /test:ridmanager /test:machineaccount";
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# add post-2000 spesific dcdiag tests
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$dcdiagcmd .= (not $is2000) ? " /test:frssysvol" : "";
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# add eventlog tests if requested
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$dcdiagcmd .= ($eventlog) ? ($is2000 ? " /test:kccevent" : " /test:frsevent /test:kccevent") : "";
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# add kerberos test if requested
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$netdiagcmd .= ($kerbtest) ? " /test:kerberos" : "";
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$member && MemberTests();
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$dc && DcTests();
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$help && PrintUsage();
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#### SUBROUTINES ####
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#### MemberTests ####
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sub MemberTests
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{
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open NETDIAG, "$netdiagcmd |" or ExitProgram ($UNKNOWN, "Could not open command pipe!");
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my ($member, $netbt, $dns, $dc, $kerberos, $ldap) = (0, 0, 0, 0, 0);
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my $warning = "";
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my $fatal = "";
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my $global_result = 0;
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while (<NETDIAG>)
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{
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chomp; $_ = lc;
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$global_result = 1 if /global results:/; # Only interested in warning and/or fatal messages for global results.
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$member = 1 if /domain membership test . . . . . . : passed/;
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$netbt = 1 if /netbt transports test. . . . . . . : passed/;
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$dns = 1 if /dns test . . . . . . . . . . . . . : passed/;
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$dc = 1 if /dc discovery test. . . . . . . . . : passed/;
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$ldap = 1 if /ldap test. . . . . . . . . . . . . : passed/;
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$kerberos = 1 if /kerberos test. . . . . . . . . . . . . : passed/ and $kerbtest;
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$warning .= "$_ " if /warning/ and $global_result;
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$fatal .= "$_ " if /fatal/ and $global_result;
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}
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my $status_ok = $member && $netbt && $dns && $dc && $ldap;
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$status_ok &&= $kerberos if $kerbtest;
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my $status_text = "Domain membership OK, NetBT transport OK, DNS OK, DC Discovery OK, LDAP OK";
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$status_text .= ", Kerberos OK" if $kerbtest;
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ExitProgram ($CRITICAL, $fatal) if $fatal ne "";
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ExitProgram ($WARNING, $warning) if $warning ne "";
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ExitProgram ($OK, $status_text)
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if ($member && $netbt && $dns && $dc && $ldap);
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ExitProgram ($UNKNOWN, "No information is available.");
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}
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##### DcTests #####
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sub DcTests
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{
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open DCDIAG, "$dcdiagcmd |" or ExitProgram ($UNKNOWN, "Could not open command pipe!");
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my ($connectivity, $services, $replications, $advertising, $fsmo, $rid, $machine, $frssysvol, $frsevent, $kccevent) =
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(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
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my $warning = "";
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my $fatal = "";
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while (<DCDIAG>)
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{
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chomp; $_ = lc;
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$connectivity = 1 if /passed test connectivity/;
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$services = 1 if /passed test services/;
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$replications = 1 if /passed test replications/;
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$advertising = 1 if /passed test advertising/;
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$fsmo = 1 if /passed test fsmocheck/;
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$rid = 1 if /passed test ridmanager/;
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$machine = 1 if /passed test machineaccount/;
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$frssysvol = 1 if /passed test frssysvol/ and not $is2000;
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$frsevent = 1 if /passed test frsevent/ and not $is2000;
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$kccevent = 1 if /passed test kccevent/;
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$warning .= "$_ " if /warning/;
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$fatal .= "$_ " if /failed/;
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}
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my $status_ok = $connectivity && $services && $replications && $advertising && $fsmo && $rid && $machine;
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$status_ok &&= $frssysvol if not $is2000;
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$status_ok &&= $frsevent if not $is2000 and $eventlog;
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$status_ok &&= $kccevent if $eventlog;
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my $status_text = "Connectivity OK, Services OK, Replications OK, Advertising OK, Fsmo OK, Rid Manager OK, Machine account OK";
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$status_text .= ", FRS Sysvol OK" if not $is2000;
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$status_text .= ", FRS Event OK" if not $is2000 and $eventlog;
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$status_text .= ", KCC Event OK" if $eventlog;
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ExitProgram ($CRITICAL, $fatal) if $fatal ne "";
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ExitProgram ($WARNING, $warning) if $warning ne "";
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ExitProgram ($OK, $status_text) if $status_ok;
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ExitProgram ($UNKNOWN, "No information is available.");
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}
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##### PrintUsage #####
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sub PrintUsage
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{
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print "
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check_ad - Nagios NRPE Plugin for Active Directory Health Check
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Version 1.4, Copyright 2007-2009, http://itefix.no
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Usage:
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check_ad [--dc] [--member] [--noeventlog] [--nokerberos][--help]
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Options:
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--dc
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Checks domain controller functionality by using dcdiag tool from
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Windows Support Tools. Following dcdiag tests are performed :
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services, replications, advertising, fsmocheck, ridmanager, machineaccount, kccevent, frssysvol (post-Windows 2000 only), frsevent (post-Windows 2000 only),
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--member
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Checks domain member functionality by using netdiag tool from
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Windows Support Tools. Following netdiag tests are performed :
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member, netbt, dns, dsgetdc, ldap, kerberos
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--noeventlog
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Don't run the dc tests kccevent and frsevent, since their 24-hour
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scope may not be too relevant for Nagios.
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--nokerberos
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Don't run the member test kerberos due to netdiag bug (See Microsoft
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KB870692)
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--help
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Produces help message.
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";
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}
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##### ExitProgram #####
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sub ExitProgram
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{
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my ($exitcode, $message) = @_;
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my $lcomp = "AD";
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print "$lcomp $status_text{$exitcode} - $message";
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exit ($exitcode);
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}
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__END__
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=head1 NAME
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check_ad - Nagios NRPE plugin for Active Directory health check
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=head1 SYNOPSIS
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B<check_ad> [B<--dc>] [B<--member>] [B<--noeventlog>] [B<--nokerberos>][B<--help>]
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=head1 DESCRIPTION
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B<check_ad> works as a Nagios NRPE plugin for Active Directory health check.
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=head1 OPTIONS
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=over 4
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=item B<--dc>
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Checks domain controller functionality by using I<dcdiag> tool from Windows Support Tools. Following dcdiag tests are performed :
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services, replications, advertising, fsmocheck, ridmanager, machineaccount, kccevent, frssysvol (post-Windows 2000 only), frsevent (post-Windows 2000 only),
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=item B<--member>
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Checks domain member functionality by using I<netdiag> tool from Windows Support Tools. Following netdiag tests are performed :
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member, netbt, dns, dsgetdc, ldap, kerberos
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=item B<--noeventlog>
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Don't run the dc tests kccevent and frsevent, since their 24-hour scope may not be too relevant for Nagios.
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=item B<--nokerberos>
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Don't run the member test kerberos due to netdiag bug (See Microsoft KB870692)
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=item B<--help>
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Produces help message.
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=back
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=head1 EXIT VALUES
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0 OK
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1 WARNING
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2 CRITICAL
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3 UNKNOWN
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=head1 AUTHOR
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Tevfik Karagulle L<http://www.itefix.no>
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=head1 SEE ALSO
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=over 4
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=item Nagios web site L<http://www.nagios.org>
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=item Nagios NRPE documentation L<http://nagios.sourceforge.net/docs/nrpe/NRPE.pdf>
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=item DCDIAG documentation L<http://technet2.microsoft.com/windowsserver/en/library/f7396ad6-0baa-4e66-8d18-17f83c5e4e6c1033.mspx>
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=item NETDIAG documentation L<http://technet2.microsoft.com/windowsserver/en/library/cf4926db-87ea-4f7a-9806-0b54e1c00a771033.mspx>
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=back
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=head1 COPYRIGHT
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This program is distributed under the Artistic License. L<http://www.opensource.org/licenses/artistic-license.php>
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=head1 VERSION
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Version 1.4, January 2009
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=head1 CHANGELOG
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=over 4
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=item changes from 1.3
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- Windows 2008 support (checks are done in lowercase only)
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- Dropped member test 'trust' as it requires domain admin privileges thus introducing a security weakness.
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- Introducing option 'nokerberos' due to netdiag bug (see Microsoft KB870692)
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=item changes from 1.2
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- Add command line option 'noeventlog'.
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=item changes from 1.1
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- Support for Windows 2000 domains
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- Use CRITICAL instead of ERROR
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=item changes from 1.0
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- remove sysevent test as it can be many other event producers than active directory.
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=back
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=cut
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