check_certificates.pl

check_certificates.pl is a plugin to check validity and/or expiration date of SSL certificates. check_certificates.txt supports STARTTLS and going through a proxy. License: Perl 5 license. check_certificates.pl comes with a MANUAL PAGE. TO SEE FULL DOCUMENTATION: - run perldoc check_certificates.pl - or run check_certificates.pl -M (the latter may not work if you don't have all the prerequisites installed). Prerequisite packages: - IO::Socket::INET6 - IO::Scoekt::SSL - IO::Scoekt::SSL::Utils - LWP::UserAgent - Monitoring::Plugin only for debug: - Data::Dumper SYNOPSYS $ check_certificates.pl -h check_certificates.pl v0.5.3 This nagios plugin is free software, and comes with ABSOLUTELY NO WARRANTY. It may be used, redistributed and/or modified under the terms of the GNU General Public Licence (see http://www.fsf.org/licensing/licenses/gpl.txt). This plugin uses IO::Socket::SSL to check the validity of an SSL certificate by connecting to the specified HOST[:PORT]. Usage: check_certificates.pl [-v|--verbose] [-t <timeout>] [-d|--debug] [-h|--help] [-M|--manual] [-P|--useEnvProxy] [--proxy=[<scheme>://][<user>:<password>@]<proxy>[:<port>]] [--proxyForScheme=<scheme>] [--verify] [-S|--starttls] [-c|--critical=INTEGER:INTEGER] [-w|--warning=INTEGER:INTEGER] HOST[:PORT] [HOST[:PORT] [...]] -?, --usage Print usage information -h, --help Print detailed help screen -V, --version Print version information --extra-opts=[section][@file] Read options from an ini file. See https://www.monitoring-plugins.org/doc/extra-opts.html for usage and examples. -c, --critical=INTEGER:INTEGER Critical threshold (in days) for certificate expiration. Don't forget the colon (see manual). See https://www.monitoring-plugins.org/doc/guidelines.html#THRESHOLDFORMAT for the threshold format, or run check_certificates.pl -M (requires perldoc executable). -d, --debug Print debugging messages to STDERR. Package Data::Dumper is required for debug. -M, --manual Show plugin manual (requires perldoc executable). --proxy=[<scheme>://][<user>:<password>@]<proxy>[:<port>] Use this proxy to connect to the final endpoint(s). --proxyForScheme=<scheme> Specify to which scheme(s) the proxy applies. This option can be specified multiple times. The default is to use proxy for https, as if 'https_proxy' environment variable was set. -P, --useEnvProxy Get proxy configuration from environment variables. -S, --starttls Use STARTTLS to test the targets. --verify Enable certificate validity verification. If certificate and certificate chain are not valid, a critical event is issued. The default is to NOT validate certificates automatically. -w, --warning=INTEGER:INTEGER Warning threshold (in days) for certificate expiration. Don't forget the colon (see manual). See https://www.monitoring-plugins.org/doc/guidelines.html#THRESHOLDFORMAT for the threshold format, or run check_certificates.pl -M (requires perldoc executable). -t, --timeout=INTEGER Seconds before plugin times out (default: 15) -v, --verbose Show details for command-line debugging (can repeat up to 3 times)

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