Checks an OpenVPN management server on a remote (or local) host. Written in PHP.

checks local x509 certificates for expiration

Check the expiry date of an SSL certificate using openssl.

This script checks the expiration of an SSL certificate.

Plugin for checking the shorewall state

check the usability of a kerberos 5 KDC

Check Kerberos 5 KDC with shell commands

Check ipsec connections from openswan or strongswan

This plugin will check the length of the in, out and bounce queues on a Barracuda Spam Firewall using SNMP. The latest release (version 3)…

Check for open ldap syncrepl

Checks if master ldap server is accepting modifications (not in read only mode)