Network Protocols

This plugin allows you to check the Cisco Discovery Protocol (CDP) neighbor adjacency status of a switch to make sure the link you think is…

Checks rsync servers availability, as well as (optionally) individual modules availability. It also supports authentication on modules.

This plugin works like the normal check_icmp, but has an additional option to set the type of service bits. Handy if you want to check…

Simple bash used for verifying that a windows ntlm auth is working. -updated17:th june, missed a -w in the script.

A nagios check plugin for GSM data networks based on 3GPP 29.060. It can be used to check PDP contexts by resolving an APN, opening…

This will check for duplicate MAC entries in your ARP table on your nagios/linux box. If it finds any, it MAY mean your being attacked…

This plugin is based on the check_radius (radauth.c by Matt Miller). Basicly it will check authentication against radius server.

This plugin checks that time on remote host is no more than specified number of seconds different than on nagios server. The time is checked…

Check Cisco NTP on MSFC and Switch- Version 2.2 (07/03/2009)> NTP association

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…

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