Nsclient nsca howto. check_nrpe The preferred monitoring type for a Windows host is, as with other systems, NRPE. So with NSClient++ you get a lot of ready-to-use NSClient is an agent designed originally to work with Nagios but has since evolved into a fully fledged monitoring agent which can be used with many monitoring tools. NRPE acts like a simple transport layer allowing remote execution. SNMP The SNMP daemon runs on the remote system and answers SNMP queries by plugin binaries. NSCA (Nagios Service Check Acceptor) is a protocol which is used in reveres of the other common Nagios protocol NRPE. I would rather cut a ticket "service stale". The short answer is yes, the service description you configure on the client nsca message needs to match that of the service description on your nagios server. 73, with over 98% of all installations currently using this version. Sep 18, 2020 · Windows services can easily be monitored using the NSClient++ monitoring agent. NSClient++ can also Feb 22, 2016 · When NSCA receives these check results, they are targeted at a host, because all services in Nagios must belong to a host. So with NSClient++ you get a lot of ready-to-use Jan 7, 2015 · This article describes how to monitor Windows machines "private" services such as CPU load, Disk usage, Memory usage, Services, etc using NSClient++ agent. Thus to utilize NSCA you need to install a NSCA compatible server on your central Nagios monitoring server (or similar solution). ini: Purpose This document describes how to configure NSClient++ to send passive check results to Nagios XI using Nagios Remote Data Processor (NRDP) Nagios Service Check Acceptor (NSCA). 9 32bit Windows 64bit Windows Install NSClient++ IF you already Feb 7, 2025 · NSClient++ is an open-source monitoring agent for Windows systems that enables Nagios XI and other monitoring tools to collect system performance data, check service statuses, and monitor event logs. The benefit of this is that you can call APIs of NSClient++ as well as maintain state. 0 Jumpstart guide and How to monitor remote Linux host using Nagios 3. This module also enables a password protected user interface which can be used to check the current system usage and the configuration of NSClient++ but also to manually execute checks. If you want to migrate to a passive check you need to disable active checks and enable passive ones. For me I don't want to do \ active if passive fail. I found that by changing to use the nrpe module instead of nsclient, the following command works for monitoring CPU load on the local system: nscp nrpe --exec query -H 127. The Monitoring Plugins package ships the check_snmp plugin binary, but there are plenty of existing plugins for Centreon NSClient++ Introduction NSClient++ est un agent de supervision Open Source multi plateformes utilisable sur les environnements Microsoft Windows et Linux. Nov 22, 2017 · NSCA (Nagios Service Check Acceptor) is a Nagios centric protocol for submitting results. Although NRPE is the preferred method NSClient is fully supported and can be used for simplicity or for compatibility. Mar 9, 2017 · Find Nagios port numbers, protocols, and default ports. NSClient (check_nt) 2. Publicly available services that are provided by Windows machines (HTTP, FTP, POP3, etc. Choosing a transport NSClient++ supports several transports and you can use either one or several of these or you can create your own cusom Sep 18, 2020 · Windows services can easily be monitored using the NSClient++ monitoring agent. MsoHyperlink {mso-style-priority:99; color:blue; text-decoration:underline;} a:visited NSCA with NSclient by robsontecinfo » Fri May 23, 2014 5:27 pm Hi, I need help with my Nagios core, I have a set in the clouds and my hosts on the private network, but when my host stand down is not detected by Nagios and the status does not change. The NSClient++ installer creates the nsclient. Mar 23, 2015 · This guide will show you how to install NSClient++ 0. pdf), Text File (. The nagios \ doc clearly shows how to configure passive service checks so give it a read. NRPE (check_nrpe) The most commonly used way to use NSClient++. This page will tell you how to check your computer using NSClient++. 0062 #510 Open Dearl1988 opened on Nov 28, 2017 · edited by Dearl1988 Aug 13, 2025 · Core functionality Boost libraries upgraded Google Protocol Buffers library upgraded OpenSSL upgraded Python upgraded NSClient++ core functionality Basic Check Plugins work NRPE works (Though default NRPE ciphers are no longer supported) WEB Server works Automated GitHub builds dot-net support dot-net modules work Lua upgraded NSCA Works Jul 14, 2013 · Re: NSClient++ using NSCA protocol by slansing » Mon Jul 15, 2013 3:23 pm Can you share your nsclient. I have successfully tested NSCA settings in the NSClient and can verify that passive checks are being delivered to OMD. ini: ; Section for NRPE (NRPEServer. In this article, l’ll explain how to monitor remote windows machine and the various service running on the windows server using nagios monitoring server. ini: Jan 7, 2015 · This article describes how to monitor Windows machines "private" services such as CPU load, Disk usage, Memory usage, Services, etc using NSClient++ agent. ;################################################################## ;# SAMPLE CONFIG FILE ENTRIES FOR NSCLIENT++ AGENT IN PASSIVE MODE ;# ;# The contents of this file Dec 7, 2017 · I have seen in below Nagios user agent comparison link that NCPA is the best among the other agents like NRDS,NSClient,NRPE. client:* -> Nagios:5667 Feb 22, 2016 · Overview This guide will show you how to install NSClient++ 0. NSClient configured with the NSCA plugin is working. It will in turn forward all incoming messages on to Nagios via NSCA. nsclient. ini: This guide will show you how to install NSClient++ 0. *) and it works as expected with the server firewall setup to be permissive of traffic to the default port (12489). Purpose This document explains how to configure the NSClient++ Windows agent to allow monitoring of a remote Microsoft Windows desktop or server with Nagios® XITM. Concepts, configuration, scenarios, and protocols covered. [/settings/NRPE/server] Nov 3, 2024 · Using NSClient++ from nagios This is a quick guide over how to use NSClient++ with Nagios. 2 MSI or ZIP installation? In general never use the ZIP installation unless you have a strong reason for doing so. NSCA 4. ini: Sep 27, 2021 · Note: If the password is defined in the [/settings/default] section of nsclient. Selecting the query jumps to the Queries tab and allows you to run the query immediately. Iam unable to understand what is NCPA from below mentioned official definition. NSClient (check_nt) Old legacy protocol which only has some basic checks and is intended for backwards compatibility. 4. Jul 19, 2017 · Overview This KB article explains how to use external scripts / plugins with NSClient++. Sometimes you want to do other things like run a command or script without involvement of a check command or based on some other stimuli. ini, the password is applied to all check types (using NSClient++, NRPE, API). The difference between regular NRPE and NSClient++ is that NSClient++ has built-in checks. 9 MB (24,007,314 bytes). ini that it is only possible for NSCAClient to periodically check a local command/service and submit the results to the central server. Sections provide details on modules, settings, dependencies and configuration options for features Jun 1, 2015 · I'm using Nagios Using NSCA and NSCA-NG for getting information about my windows- and "old" EL5-Linux-Server. x. Feb 24, 2022 · Hello, i use the nsclient for Windows to sent passive checks to my Nagios monitoring server. The setup package generally installs about 126 files and is usually about 22. ini: NRPE is the most common way to connect to NSClient. MsoHyperlink {mso-style-priority:99; color:blue; text-decoration:underline;} a:visited Nov 11, 2014 · I am preparing an OMD server to monitor a large number of Windows systems which are not directly reachable. bat Visual Basic Script = . Nov 3, 2024 · Using NSClient++ from nagios This is a quick guide over how to use NSClient++ with Nagios. ini: Enable module To enable this module and and allow using the commands you need to ass NRPEClient = enabled to the [/modules] section in nsclient. The daemon will listen for connections from remote clients, perform some basic validation on the results being submitted, and then write the check results directly into the external command file (as described above). It discusses supported platforms, installation steps including configuration, testing and firewall configuration. In WATO, I can add active check hosts OK. 9 32bit Windows 64bit Windows Install NSClient++ IF you already How to Use the NSCA Addon This document describes how to enable and use the NSCA (Nagios Service Check Acceptor) addon with Nagios XI to allow remote Nagios servers and applications to send passive host and service check results to a Nagios XI server Nov 21, 2012 · When you submit an NRPE or NSCA check on linux or windows it still needs an agent to execute the checks (nsclient). 0pt; font-family:"Calibri","sans-serif";} a:link, span. It is divided into four sections (so don't miss the three other pages but this one). NRPE is the most common way to connect to NSClient. Support policy and release cycle the different options available in NSClient++. Now, what would be the benefit of having active/passive checks enabled for a service? Say, it takes <5 minutes for Nagios to process my 80 hosts/600 services, if the service that I am looking to enable passive checks on as well is checked near the end of the 5 minute mark, wouldn't it get an update much sooner Have installed NSClient ++ and using NSCA to send results into nagios every 4 minutes I believe the messages are arriving ok, as all Alerts are appearing with correct info at one stage or another on the nagios webportal. In most cases the first channel you are interested in is NSCA which is the default name where the NSCAClient listens. If you use the NSClientServer (check_nt, NSClientListener) you need the (modified) NSClient port open (usually 12489) from the Nagios server towards the client. html and in the part NSClient / NSCA of the documentation. 168. The idea is that you can submit passive check results to a Nagios server instead of having the Nagios server actively polling. In this article we describe how to monitor specific service (s) and explain the differences between the supported methods using NSClient as monitoring agent. NSClient++ has a lot of built in functionality however you will likely run into a situation where you need to use a script to provide additional monitoring capabilities. It seems from the nsc. Has anyone experienced this? Tks. 2 and beyond since this is based off the new check syntax. For the activation of NRPE with arguments, the following text is added to the file C:\Program Files\NSClient++\nsclient. NSCP is the native NSClient++ protocol (still under development) dNSCP is a high performance distributed version of NSCP for high volume traffic. NRPE works much like NRPE for unix (if you are familiar with it) and in short you can say it relays a plugin request to a remote server. Source use to build the centreon NSClient agent. If you use the NSCA Module (passive checks) you need the NSCA port open from the client towards the Nagios server. The problem is that i have multiple Nagios monitoring servers and i would like for the Windows nsclient to sent alerts to all of my Nagios monitoring servers. Note: These Learn about NSClient++ for distributed monitoring. Download NSClient++ 0. Thanks, after reading the 3. Using NSClient++ with NSCA NSCA (Nagios Service Check Acceptor) is a protocol which is used in reveres of the other common Nagios protocol NRPE. It supports multiple communication protocols such as NRPE, NSCA, check_nt, and REST API, allowing remote monitoring of CPU usage, memory, disk space, and running services. log file with us? It should be located in the nsclient base directory. ini: These can be run via NRPE or check_nt. 2. So with NSClient++ you get a lot of ready-to-use Enable module To enable this module and and allow using the commands you need to ass CheckNSCP = enabled to the [/modules] section in nsclient. Jun 30, 2022 · It gave me some hard time to figure out but after deciding to check the documentation I tried couple other stuff and ended up with this way to get that message passed along: host_check = check_ok message=OK This way Nagios UI I can see the Status Information for the host as "OK" and how I was expecting. ini file by the address line: NSClient++ Reference Manual. This document provides an overview and installation guide for NSClient++. Our monitoring system is based on Nagios, NSClient++ by default have some built-in modules that are c… Topic Replies Views Activity Nagios alternatives for simple server monitoring Software nagios , server-hardware , question 12 442 This guide will show you how to install NSClient++ on Microsoft Windows to send NSCA check results to a server running NSCA. Sections provide details on modules, settings, dependencies and configuration options for features like NRPE, logging, checks, scripts and agents. for "nsca_updates = alias_updates" send the NSCA-Client "Unknown command (s): check_upda Nov 28, 2017 · source-host nor sender-host work for nsca on nsclient++ 0. pdf - Free download as PDF File (. ini file. ps1 This KB Thanks Matt, for determining why nscp nsclient doesn't work with the check_cpu command. ; NSClient server - A simple server that listens for incoming NSClient (check_nt) connection and handles them. Mar 23, 2015 · This guide will show you how to install NSClient++ on Microsoft Windows to send NSCA check results to a server running NSCA. NRPE and NSCA are specific to Nagios not linux, the checks will run fine on any windows server running NSclient ++ as the client provides translation for the checks based on what operating system you use. All Windows OS:es since Windows Most linux os:es Who is behind NSClient++? NSClient++ is largely written and maintained by Michael Medin. 9 on Microsoft Windows to send NSCA check results to a server running NSCA. You can actually submit a check result for the host object itself , simply add this to nsc. So if you are using NSCA passively on your current machines: Stick with that for NSClient++. This allows organizations to monitor vital metrics and ensure that a specific Windows desktop machine or server is functioning properly. Ideal for network admins. Newer versions of NSCA server do not work with versions of NSClient++ 0. Does anyone know if passive check is available for the setup that includes Nagios Core runs on CentOS with NRPE installed on the same machine, and NSClient++ is agent. MsoNormal, div. NRPE (check_nrpe) 3. MsoNormal, li. May 11, 2015 · Setting Up NSCA Client with NSClient and Nagios XI This support forum board is for support questions relating to Nagios XI, our flagship commercial network monitoring solution. nagios. com NSCA (Nagios Service Check Acceptor) is a protocol which is used in reveres of the other common Nagios protocol NRPE. Contribute to centreon/centreon-nsclient-build development by creating an account on GitHub. I’m trying to add a passive NSCA host as follows: Hostname: Agent Type Jul 12, 2016 · Overview This KB article discusses NRPE and the network packet size used in the different versions of the client and the check_nrpe plugin. This information in only valid for 0. Cet agent vise à fournir un ensemble exhaustif d'indicateurs, tant au niveau système qu'au This guide will show you how to install NSClient++ 0. In addition to executing Python script as regular script NSClient++ can also execute them via the PythonScript module inside NSClient++. dll) (check_nrpe) protocol options. The normal use of NSClient++ is to request information via queries (or check commands) for example check_cpu. REST is the native NSClient++ protocol (still under development) which allows you to interact with NSClient++ over the http (s) protocol. NRDP is a replacement for NSCA. org/reference/generic/Scheduler. Enable module To enable this module and and allow using the commands you need to ass CheckMKClient = enabled to the [/modules] section in nsclient. Our monitoring system is based on Nagios, NSClient++ by default have some Presentation on NSClient++ monitoring agent, covering new features, filtering, and updates. ini file with the minimal settings that allow NSClient++ to work (d 1. Feb 22, 2016 · Overview This guide will show you how to install NSClient++ 0. Learn about simplified monitoring for Linux and Windows. Passive in this Enable module To enable this module and and allow using the commands you need to ass NSCAClient = enabled to the [/modules] section in nsclient. check_mk is a protocol utilized by the check_mk monitoring system. 62-x64. NOTE: When using NSClient++ 0. Il permet l'exécution locale de commandes personnalisées et l'utilisation de protocoles de supervision standards : NRPE, NSCA, HTTPS. /* Font Definitions */ @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;} /* Style Definitions */ p. The MSI is the preferred way to install NSClient++ and will work much better then trying to manually install it. ) can be monitored easily by following the documentation on monitoring publicly available services. txt) or read online for free. The list of the Monitoring Connectors that can be used with the centreon-nsclient agent is avaiblable on the official Centreon Monitoring Connectors catalog The following tutorial will help you to understand how to use the centreon-nsclient agent on your Windows servers. Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows NSClient configured with the NSCA plugin is working. 5. We will start with a clean slate and work our way in small easy to follow steps towards a fully functional monitoring solution. I searched, and the results were tutorials and documentations for Nagios XI and other listeners. For me I don't . Purpose This document describes the procedures for installing Nagios monitoring agent, NSClient++, on a target Microsoft Windows desktop or server for the purposes of monitoring that machine with Nagios XI 2024R2 or later. 7. Apr 4, 2014 · I think we are going to go with Nagios XI Much easier to configure than Nagios and you can write powershell checks with an Agent. So you need "my_cpu_check" to be a service description so nagios knows what to match \ that incoming nsca message to. Additional Agent-based Checks If the remote services are not directly accessible through the network, a local agent installation exposing the results to check queries can become handy. If you don't already have any infrastructure in place I would recommend: For me I don't want to do \ active if passive fail. NSClient++ x64 is a software program developed by MySolutions NORDIC. NSCA (Nagios Service Check Acceptor) is a Nagios centric protocol for submitting results. Aug 9, 2017 · What am I doing wrong? Setup file: NSCP-0. NSClient (server) supports both check_nt and check_nrpe to use active checks on the Windows host. This guide will show you how to install NSClient++ on Microsoft Windows to send NSCA check results to a server running NSCA. The most common release is 0. It also addresses some common problems and solutions. Configuration file: ; in flight - TODO [/settings/default] ; Undocumented key password = ; Undo Mar 20, 2014 · Windows Monitoring with Nagios using NSClient NSCA and PowerShell We have a few Windows Server 2008/R2hosting commercial application that needs to be monitor. Jul 9, 2008 · In the previous articles we discussed about Nagios 3. See full list on support. notesofenthropy – 14 Jun 13 Windows Monitoring with Nagios using NSClient NSCA and PowerShell We have a few Windows Server 2008/R2hosting commercial application that needs to be monitor. Enable module To enable this module and and allow using the commands you need to ass NSCAServer = enabled to the [/modules] section in nsclient. 3. 0001pt; font-size:11. 2) Did anyone find out a solution that you can send longer outputs to the NSCA-Server for example: * NSCLIENT-Version compatible with NSCA-NG, * a Patch for NSCA-Server allowing longer Sep 11, 2014 · I would like to create a batch script that calls the NSCA client to notify my central server that the host is running on battery power. vbs PowerShell Script = . 9 and below, your NSCA server MUST use NSCA version 2. Nomenclature The following explains the terms used in this document. Overview (this page) 1. If there is sensetive information in there, just send us a snippet of the log after you force a NSCA passive result. There is a limit of 512 bytes for sending Information in the old NSCA-Protokoll (NSCA-Server V 2. 1. ini, as well as having the command you're executing Nov 25, 2019 · Issue and Steps to Reproduce NSClient++ doesn't seem to add the command that set up in the . Thus to utilize NSCA you need to install a NSCA compatible server on your central Nagios monitoring server (or similar If you use NRPEServer (check_nrpe, NRPEListener) you need the NRPE port open (usually 5666) from the Nagios server towards the client. This is a hands-on guide to getting started with NSClient++. 1 -c alias_cpu Note that this requires setting NRPEServer = 1 in nsclient. Choosing a transport NSClient++ supports several transports and you can use either one or several of these or you can create your own cusom NRPE (Nagios Remote plugin Executor) NSCA (Nagios Service Check Acceptor) NRDP Syslog Graphite SMTP CollectD REST Where does it run? NSClient++ should run on most operating systems. Hello, I'm actually using 0. MsoNormal {margin:0in; margin-bottom:. Introduction This document describes how you can monitor "private" services and attributes of Windows machines, such as: Memory usage CPU load Disk usage Service states Running processes etc. The nagios server is defined in the nsclient. 0062 #510 Open Dearl1988 opened on Nov 28, 2017 · edited by Dearl1988 The NSCA addon consists of a daemon that runs on the Nagios hosts and a client that is executed from remote hosts. Aug 13, 2025 · Core functionality Boost libraries upgraded Google Protocol Buffers library upgraded OpenSSL upgraded Python upgraded NSClient++ core functionality Basic Check Plugins work NRPE works (Though default NRPE ciphers are no longer supported) WEB Server works Automated GitHub builds dot-net support dot-net modules work Lua upgraded NSCA Works This guide will show you how to install NSClient++ on Microsoft Windows to send NSCA check results to a server running NSCA. You can leave the check command in place and incorporate freshness checks to force an active check if the passive fail. msi nsca_cpu, nsca_memory, nsca_disk, nsca_uptime, nsca_services work properly with NSCA-Client. Learn how Nagios XI uses SNMP, HTTP, SSH, and more for monitoring and network communication. If you use the NSCA Module (passive checks) you need the NSCA port open from the client towards the NRPE is the most common way to connect to NSClient. 3 and 0. Client / Agent This is what is listening for NRPE requests "NRPE Client" refers to the Unix/Linux based client, provided by Nagios Enterprises NSClient++ is the Windows client that has an Aug 26, 2014 · I have tested the NSClient on our internal network (192. 0. 5 NSClient version, just to be sure that I understand well what I've read here https://docs. Enable module To enable this module and and allow using the commands you need to ass CheckDisk = enabled to the [/modules] section in nsclient. NSClient++ is capable of executing scripts such as: Batch Script = . x on passive_checks I get how to configure the service. 4c dmobkv b9akqib w0d8far fq4omh vx er7isw a2jtp veo614mu ysmqp