Nagios Tutorial
Selected Reading
- Nagios - Discussion
- Nagios - Useful Resources
- Nagios - Quick Guide
- Nagios - Case Study
- Nagios - V Shell
- Nagios - NRPE
- Nagios - Add-ons/Plugins
- Nagios - Ports and Protocols
- Nagios - Checks and States
- Nagios - Commands
- Nagios - Hosts and Services
- Nagios - Applications
- Nagios - Features
- Nagios - Configuration
- Nagios - Installation
- Nagios - Products
- Nagios - Architecture
- Nagios - Overview
- Nagios - Home
Selected Reading
- Who is Who
- Computer Glossary
- HR Interview Questions
- Effective Resume Writing
- Questions and Answers
- UPSC IAS Exams Notes
Nagios - Ports and Protocols
Nagios - Ports and Protocols
This chapter gives an idea of ports and protocols that Nagios comprises.
Protocols
The default protocols used by Nagios are as given under −
http(s), ports 80 and 443 − The product interfaces are web-based in Nagios. Nagios agents can use http to move data.
snmp, ports 161 and 162 − snmp is an important part of network monitoring. Port 161 is used to send requests to nodes and post 162 is used to receive results.
ssh, port 22 − Nagios is built to run natively on CentOS or RHEL Linux. Administrator can login into Nagios through SSH whenever they feel to do so and perform checks.
Ports
The Default ports used by common Nagios Plugins are as given under −
Butcheck_nt (nscpent++) 12489
NRPE 5666
NSCA 5667
NCPA 5693
MSSQL 1433
MySQL 3306
PostgreSQL 5432
MongoDB 27017, 27018
OracleDB 1521
Email (SMTP) 25, 465, 587
WMI 135, 445 / additionaldynamically-assigned ports in 1024-1034 range