check_ssl_cert is a Nagios plugin to check X.509
certificates. It checks if the server is running
and delivers a valid certificate. It also checks
if the CA matches a given pattern, and checks the
validity.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
The status now includes performance data in days until
expiration (requires Perl with Date::Parse). It is now possible to print additional information in the plugin's long output (multi-line, Nagios 3 only).