In order for the Nagios Core server to access Nagios Remote Plugin Executor (NPRE) on a remote machine, the remote machine’s xinetd and NRPE configurations must be updated with the IP address of the Nagios Core server. Prerequisites User-level access to the Nagios Core server.
Full Answer
What kind of remote access monitoring can you do with Nagios?
Nagios plugins for monitoring various types of remote access / remote desktop / thin client technologies (e.g. VNC, Citrix, Microsoft RDP). Submit Your Nagios Project!
What can you do with Nagios plugins?
Nagios plugins for monitoring various types of remote access / remote desktop / thin client technologies (e.g. VNC, Citrix, Microsoft RDP). Submit Your Nagios Project! Help build Nagios Exchange for yourself and the entire the Nagios Community by your Nagios project to the site.
Does Nagios mobile work with Nagios XI?
Nagios Mobile provides a flexible mobile interface for Nagios that works on iPhones, Android phones, and all other portable devices. Nagios Mobile works with both Nagios XI and Nagios Core and allows you to quickly get real-time status information on your monitoring infrastructure.
Is Nagios XI switch Wizard vulnerable to remote code execution?
An authenticated victim, who accesses a specially crafted malicious URL, would unknowingly execute the attached payload. Nagios XI Switch Wizard before version 2.5.7 is vulnerable to remote code execution through improper neutralisation of special elements used in an OS Command (OS Command injection).
Is Nagios no longer free?
Nagios Core /ˈnɑːɡiːoʊs/, formerly known as Nagios, is a free and open-source computer-software application that monitors systems, networks and infrastructure.
Does Nagios use SSH?
Nagios provides complete monitoring of SSH – including reachability, service availability, ability to login. In addition, Nagios has the capability to tunnel other monitoring checks over SSH for increased security.
What is Nagios Remote Plugin Executor?
NRPE allows you to remotely execute Nagios plugins on other Linux/Unix machines. This allows you to monitor remote machine metrics (disk usage, CPU load, etc.). NRPE can also communicate with some of the Windows agent addons, so you can execute scripts and check metrics on remote Windows machines as well.
How does Nagios agent work?
Nagios runs on a server, usually as a daemon or a service. It periodically runs plugins residing on the same server, they contact hosts or servers on your network or on the internet. One can view the status information using the web interface. You can also receive email or SMS notifications if something happens.
How do I monitor a remote Linux system with Nagios via SSH?
How to Monitor Remote Linux System with Nagios via SSHStep 1 – Setup Key Based SSH. Firstly it's required to make sure that the Nagios server is able to connect the client using ssh without prompting password. ... Step 2 – Verify SSH Connection. ... Step 3 – Configure Check in Nagios.
What is Nagios monitoring tool?
Nagios is an open source monitoring system for computer systems. It was designed to run on the Linux operating system and can monitor devices running Linux, Windows and Unix operating systems (OSes). Nagios software runs periodic checks on critical parameters of application, network and server resources.
How Nagios will execute Nrpe plugin in remote system?
The Nagios daemon which run checks on remote machines in NRPE (Nagios Remote Plugin Executor). It allows you to run Nagios plugins on other machines remotely. You can monitor remote machine metrics such as disk usage, CPU load etc.
Does Nagios use SNMP?
Capabilities. Nagios provides complete monitoring of SNMP (Simple Network Management Protocol). SNMP is an “agentless” method of monitoring network devices and servers, and is often preferable to installing dedicated agents on target machines.
How does Nagios communicate?
Nagios is highly configurable, and can communicate across many protocols. NCPA can return JSON or XML data. The most common agentless protocol is probably SNMP. If you can read Python, look directly at the /usr/local/nagios/libexec/check_ncpa.py file to see what's up.
Does Nagios have an API?
nagios-api - presents a REST-like JSON interface to Nagios.
Is Nagios push or pull?
Nagios uses agents that are installed on both the network elements and the components that it monitors; they collect data using pull methodology.
What is Nagios Nrpe plugin?
The NRPE addon is designed to allow you to execute Nagios plugins on remote Linux/Unix machines. The main reason for doing this is to allow Nagios to monitor "local" resources (like CPU load, memory usage, etc.) on remote machines.
What is NSCA Nagios?
NSCA is a Linux/Unix daemon allows you to integrate passive alerts and checks from remote machines and applications with Nagios. Useful for processing security alerts, as well as redundant and distributed Nagios setups.
What is Nagios daemon?
The Nagios daemon which run checks on remote machines in NRPE (Nagios Remote Plugin Executor). It allows you to run Nagios plugins on other machines remotely. You can monitor remote machine metrics such as disk usage, CPU load etc. It can also check metrics of remote windows machines through some windows agent addons.
Where is Nrpe CFG located?
The main configuration file will be /etc/nagios/nrpe. cfg , and the default included directory is /etc/nrpe.
What are the benefits of Nagios?
Nagios Mobile offers the following benefits: 1 Real-time Status Information: Provides access to the status of your infrastructure from anywhere 2 Problem Remediation: Enables problem investigation and resolution from remote locations 3 Compatability: Works with both Nagios XI and Nagios Core 4 Flexibility: Works with all smartphones (including iPhones and Android phones) and mobile devices
What devices does Flexibility work with?
Flexibility: Works with all smartphones (including iPhones and Android phones) and mobile devices
What is real time status information?
Real-time Status Information: Provides access to the status of your infrastructure from anywhere
3.1. Installing and configuring Nagios Remote Plug-In Executor
Install the Nagios Remote Plug-in Executor (NPRE) and configure it to communicate with the Nagios Core server.
3.2. Starting the Nagios Remote Plug-in Executor service
Start the Nagios Remote Plug-in Executor service to collect data and report it back to the Nagios Core server.
3.3. Configuring Nagios Core server access to remote nodes
In order for the Nagios Core server to access Nagios Remote Plugin Executor (NPRE) on a remote machine, the remote machine’s xinetd and NRPE configurations must be updated with the IP address of the Nagios Core server.
Where to send security vulnerabilities to Nagios?
Please send security vulnerabilities found in any of the Nagios commercial products and security related emails to security@nagios.com. All non-security related bug reports should be given through a Support Ticket or through a post on the Support Forum.
How to escalate privileges from Apache to Nagios?
Privilege escalation from apache to nagios via command injection on timezone parameter in cmd_subsys.php.
What is privilege escalation vulnerability?
A privilege escalation vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to leverage an RCE vulnerability escalating to root. Attack requires an authenticated user with access to the CCM.
What is remote command execution as root vulnerability in Nagios XI?
Remote command execution as root vulnerability in Nagios XI’s getprofile.sh script. The script runs when profiles are created via the profile component. User must have access to edit plugins or access to the nagios user on the server.
What is RCE in Nagios XI?
Unauthenticated remote code execution ( RCE) vulnerability as the apache user in Nagios XI in the Docker config wizard.
What is authorization bypass in Nagios IM?
Authorization bypass in Nagios IM component allowing closing incidents in IM via the API.
What is remote command execution?
Remote command execution as authenticated user. The user is able to execute arbitrary OS commands via shell metacharacters in the id parameter to schedulereport.php, in the context of the web-server user account.
