=pod =head1 NAME C - a Nagios plugin to check if an SMTP server is blacklisted =head1 DESCRIPTION check_rbl is a Nagios plugin to check if an SMTP server is blacklisted =head1 VERSION Version 1.4.2 =head1 SYNOPSIS check_rbl [--help] [--verbose] [--version] [--timeout t] -H hostname --server servername [--critical n] [--warning n] [--workers n] =head1 REQUIRED ARGUMENTS -s, --server=STRING RBL server (may be repeated) -H, --host=STRING SMTP server to check =head1 OPTIONS -?, --usage Print usage information -h, --help Print detailed help screen -V, --version Print version information -a, --append=STRING Append string at the end of the plugin output --extra-opts=[
[@]] Section and/or config_file from which to load extra options (may repeat) -c, --critical=INTEGER Number of blacklisting servers for a critical warning -w, --warning=INTEGER Number of blacklisting servers for a warning -d, --debug Prints debugging information -r, --retry=INTEGER Number of times to try a DNS query (default is 4) --workers=INTEGER Number of parallel checks --whitelistings, --wl Check whitelistings instead of blacklistings --query-timeout=INTEGER Timeout of the RBL queries -t, --timeout=INTEGER Seconds before plugin times out (default: 15) -v, --verbose Show details for command-line debugging (can repeat up to 3 times) =head1 EXAMPLE check_rbl -t 30 -H matteocorti.ch -s zen.spamhaus.org -s bl.spamcop.net =head1 DIAGNOSTICS You can specify multiple --verbose options to increase the program verbosity. --debug can be used to display the process and internals of the querying mechanism. =head1 EXIT STATUS 0 if OK, 1 in case of a warning, 2 in case of a critical status and 3 in case of an unknown problem =head1 DEPENDENCIES check_updates depends on =over 4 =item * Data::Validate::Domain =item * Data::Validate::IP =item * Getopt::Long =item * IO::Select =item * Monitoring::Plugin =item * Monitoring::Plugin::Threshold =item * Net::DNS =item * Readonly =back =head1 CONFIGURATION =head1 INCOMPATIBILITIES None reported. =head1 SEE ALSO Nagios documentation =head1 BUGS AND LIMITATIONS No bugs have been reported. Please report any bugs or feature requests through the web interface at https://github.com/matteocorti/check_rbl/issues =head1 AUTHOR Matteo Corti =head1 LICENSE AND COPYRIGHT Copyright (c) 2010, Elan Ruusamae Copyright (c) 2008-2017, Matteo Corti This module is free software; you can redistribute it and/or modify it under the terms of GNU general public license (gpl) version 3. See the LICENSE file for details. =head1 DISCLAIMER OF WARRANTY BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. =head1 ACKNOWLEDGMENTS =encoding iso-8859-1 Elan Ruusamäe for the improved parallel support and several fixes Victor V Kudlak for parallel support Jan Kantert for whitelistings support