Network Protocols

SNMP

check_snmp_memory_cache_buffer.sh

http://www.alastar.es

IMAP4 and POP3

check_cyrus-imapd

Small plugin which checks if cyrmaster process is running and returns the current connection load for cyrus-imapd. Syntax: check_cyrus-imapd -w -c If you run it…

SNMP

check_snmpv2.pl

USAGE: check_snmp.pl -H hostname -C community -p port -V version -t Title -O label:oid:warn:crit:[(l)less than | (g)greater than]:[(a)text|(n)number You can enter multiple oid's, but the…

SNMP

check_by_snmp / check_snmp_extend / check_snmp_exec

http://william.leibzon.org/nagios/

To find all available options do: ./check_by_snmp --help All SNMP Versions (1,2,3) and authentication options are supported and similar to my other check_snmp plugins. These…

ARP

check_snmp_arp.pl

http://www.rundeconsult.no/?p=88

check_snmp_arp will return only ok/warn/error, and a number of arp entries, with added performanceoutput, so you can have nice graphs of your arp-tables, using something…

FTP

check_ftp_rec.py

This plugin needs python2 (I know 2.7 is recent enough). See the help (-h) for information. I tested the script with proftpd and filezilla server…

NTP and Time

check_ntpd

https://github.com/leprasmurf/Scripts/blob/master/check_ntpd.pl

This nagios check determines the health of NTPd on a system by calculating the overall health of the peers associated with the daemon. This check…

ARP

check_arping.py

IMAP4 and POP3

check_email_age

This plugin logs into a POP3 or POP3 over SSL (POP3s) account and the age (in hours) of the oldest messages in the mailbox. This…

SNMP

Simple snmp memory check

http://cormander.com/2011/11/nagios-snmp-memory-and-swap-plugin/

It'll also give you the % of swap used, if given the "-s" switch. This plugin is written in perl, and doesn't require any additional…