Plugins

Check Cisco gateway ISDN - Version 2.2 (17/03/2009)> Current calls (B-Channels used, and B-Channels free)

check_zone.pl will query each published nameserver for a domain, reporting any problem it finds. It checks for serial # mismatches, non-authoritative answers, unreachable or other…

Can check various settings/performance values on a Linksys WGT624 router. Capable of using the Linksys firmware and also DDWRT firmware (from www.dd-wrt.com).

Check for new entries in an existing MySQL database in a specified time interval.

Bash Script To Check The 1st & 2nd Hop Of Your Network

Perl Plugin, which checks the status of ndo using a sql query. Currently supported database type: MySQL

check_rbl is a Nagios plugin to check if an SMTP server is blacklisted

checks to see if mysql slave sql is running. written in a shell script, so its easily portable.

The pluging check_openvpn connects to the management OpenVPN server checks for actives connection and return the amount connected OpenVPN clients. it's forked from openvpn-status scripts.

Bash script to do basic checking of iptables.

checks to see if mysql slave io is running. written in a shell script, so its easily portable.

Check an ICAP daemon's health via network