snmp – POFTUT

SNMP Port Number Tutorial with Examples

SNMP Port Number Tutorial with Examples

Simple Network Management Protocol aka SNMP is used to monitor and manage devices over the computer networks. SNMP is popularly used to monitor network devices. SNMP protocol communication is done over the SNMP ports which can be different according to operation and security. SNMP Ports SNMP uses UDP 161 by default. UDP is an alternative … Read more

What Is Nagios?

What Is Nagios?

Nagios is an open-source system, network, application monitoring system. Nagios is designed to be run on the Linux operating system or distributions like Ubuntu, Debian, CentOS, etc. Architecture and Components Nagios is not a single component to run. Nagios is actually a suite which provides following components. Nagios IX Nagios IX is the core of … Read more

Snmpwalk Command Line Examples

SNMP protocol provides useful features to monitor and configure network and server systems remotely. Monitoring features are much popular than configuration. snmpwalk is a function provided by SNMP protocol to get metrics of remote system in bulk. Get All OIDS We will first look the simplest usage of the snmpwalk command. We just provide minimum … Read more

How To Install and Setup SNMP Service or Daemon For Linux

Today we will look SNMP in Linux operating systems. Simple network management protocol named SNMP is designed for getting info and setting configuration in it entities. These entities may be switch, router, PC, cabinet, printer etc. SNMP was very popular in 2000s. today it is popular too but used for information gathering. Especially monitoring which … Read more

TCP and UDP Port List, Names and Usage Frequency

TCP and UDP Port List, Names and Usage Frequency

Nmap tool provides a popular ports list as a database where this list is also used in network and service scans. Here is the list but before we will look at the command which will list ports according to the popularity. Nmap Top Ports Listing We can use sort command in order to list ports according … Read more

How To Get Mac Addresses Of Hosts With Nmap?

Nmap is a very useful tool. It is used by penetration testers mainly but from an operation perspective, it is used by system administrators too. Nmap has a lot of different features. The mac-related feature can be used to get mac addresses of the hosts in the same network segment. I can be used to … Read more

How To Install and Use SNMP On Linux Tutorial with Examples?

Today we will look SNMP in Linux operating systems. Simple network management protocol named SNMP is designed for getting info and setting configuration in its entities. These entities may be a switch, router, pc, cabinet, printer, etc. Snmp was very popular in the 2000s. Today it is popular too but used for information gathering. What … Read more