2. The default protocols used by Nagios are as given under . Run the commands from Step 1 again to confirm the new change. Top. Restart the Nagios service and you should see pending hosts/services appear. Verify local network sockets table with netstat or ss command. Give it a name, and choose whether you want to allow or deny traffic. <snip> [/settings/NSClient/server] ; ENABLE SSL ENCRYPTION - This option controls if SSL should be enabled. harsha.s.aryan Posts: 52 Joined: Fri Nov 13, 2015 3:05 pm. Nagios agents can use http to move data. tar -xvzf nagios-4.4.6.tar.gz. Just installed Nagios 3.2 and have it monitoring 4 or 5 windows hosts as well as itself. in conjunction with Nagios XI. Type Regedit to open the registry editor. According to our Support Team, the check UDP plugin is a simple shell script. Nagios XI is brand agnostic, which means you can customize it to monitor any vendor, any device, on any network. The default port used by check_nt and NSClient is port 12489. Change Nginx Port in CentOS. Or you can create a custom variable to store the port number , with your example: define host { use linux-server host_name cfbase-prod alias cfbase-prod address x.x.x.x contacts admin } define service { use generic-service . Disabling NSClient server in the nsclient.ini file. You can specify the port number directly in the command but you will must create one command per tested port. Change NGINX port number. Request a -l parameters with the following syntax: -l "\\<performance object>\\counter","<description> The <description> parameter is optional and is given to a printf output command which requires a float parameter. The localhost (Ubuntu 10.04) has SSHD configured, but I've changed the port it's listening on. "Configuration" > "Services" > "Add" or we clone an existing service and modify the . snmp, ports 161 and 162 snmp is an important part of network monitoring. Create a new firewall rule. Lastly, edit the /etc/hosts file to reflect the change. The port number for different switches will be different - for example for Cisco2960 Gigabit switch, it will start at 10101 for the first port. You can place it in the directory /usr/bin/, for example. Traffic is implicitly denied by default. is available with the agent you are using. Add any individual Nagios plugins you might want to run. Check HTTP (or HTTPS) on different port. Look for Port Number. Click Windows + R to open the Run dialog box. Here I will outline how to change that port number. Here w. Once you are connected, click Hosts on the left to see what Nagios is monitoring. # systemctl restart nginx # netstat -tlpn . The TCP port 12489 is the default port for using check_nt not for all the services offered by nsclient. after installing nagios its working in nagios default port 80 how do I change it to 8081 or 7001 port thanks. Open NGINX configuration file. Next step is to submit your porting application to the operator or 10digi.com. How to install and configure the Nagios agent. COUNTER = Check any performance counter of Windows NT/2000. Click on "Firewall Rules" in the sidebar. In Steps #6 and #7 - to monitor switch ports, the Port Number given in the service command i.e., "ifOperStatus.1" <== the 1 is not always the switch port number. Regards, Harsha. terminating at the Nagios server on port UDP 162. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site Port 161 is used to send requests to nodes and post 162 is used to receive results. Is is possible to change this port, and if so where does this change need to be made?Answer cell:The TCP port 12489 is the default port for using check_nt not for all the services offered by nsclient.If you w Open terminal and run the following command. . Soft state. If you want to set a custom port running NRPE commands, you'll want to add a new command somewhere, or change the existing one (and potentially, all references to it) so it allows for this port to be defined. I have machine with NRPE server, where I needed change the port number where the NRPE listens. Monitoring a Server with the NPRE service. Any help is appreciated. 3. The command line would look like: Once the command created, now it touches us create as many services as we are interested in monitoring, In this example I will create a check HTTPS Port 443tcp against certain machines that must respond to that port. To test my theory, I chose to leave the Nagios XI server as is and change the client settings, hoping to see an alert, as the server should not be able to communicate with the client. The /etc/services file is used to translate service names to port numbers. Port 3200 should be displayed in your server local network table. If <description> does not include "%%", it is used as a label. It is basically used to gather "local . Additionally, replace 'root' with the username of the admin account if necessary. instead of giving /nagios I want to give port number to access nagios. 2.4. Look for the line that begins with listen inside server block. 2.1. How to specify nrpe port in icinga / nagios. By default it will only monitor the local host. Ask Question Asked 5 years, 7 months ago. One of the most important feature of Nagios is the notification system; by default Nagios will use the local mail daemon (mail) to send all the notifications. check_udp_port: -H remote_host -p port -s service_name. Finally, to apply changes and make Apache bind on the new port, restart the daemon and check local network sockets table using netstat or ss command. Using those, I hoped I could figure out how to make the change in Windows. Receive Porting Code: You will receive a SMS from 1901 with your code which is called UPC or Unique Porting Code. My model is Raspberry Pi 3 and the operating system is Raspbian. There are two types of states . Opening Ports with Firewall Rules. The NPRE service (Nagios Remote Plugin Executor) is an add-on that allows you to execute Nagios commands on a remote Linux servers. For Target Tags, give the rule a name to . There would be many cases when the failures will happen randomly and they are temporary; hence Nagios uses states to check the current status of a host or service. Furthermore, Nagios check UDP plugin also returns the name of the service that should be listening on that port. Top. Configure plugin commands that will be run on the client host. I've found instructions for making this change on the Nagios server and a Linux client. Thread: [Nagios-users] Change nagios monitoring port Nagios network monitoring software is enterprise server monitoring Brought to you by: egalstad, jomann9. If you want to send SNMP traps from your Windows host to Nagios, you. Restart Nagios and wait for active checks. A named instance, by default, uses a dynamic port that it chooses from a . Next, change the directory to the extracted directory and configure it with the following command: if you are submitting passive checks from the Windows host to the. You will need to replace 'IP_Address' and 'Port_number' with your server's respective IP address and SSH port number. Overview Important Notes While there are a set of basic default ports for Nagios XI, keep in mind that Nagios XI is highly $ check_http -H 192.168.1.50 -S Connection refused HTTP CRITICAL - Unable to open TCP socket. For the purposes of this blog, the example Nagios XI system has been configured to use HTTPS port 443 and any HTTP requests are redirected to port 443 but will be reconfigured to use port 6080 and 10443 to allow external . . Use SNMP v3 if it. Navigate to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp. We have many more checks that we can add and we can even create our own checks (we'll see an example later).. Now let's see how to monitor our PostgreSQL database engine using two of the main plugins designed for this task. Next, change the hostname with the following command. harsha.s.aryan Posts: 52 Joined: Fri Nov 13, 2015 3:05 pm. So to change port configure accordingly a vhost in the server (nginx or apache or other) of you choice to listen on the desired port. This Tutorial will show you how to change default URL of nagios core from /nagios to /something.Default URL for Nagios is: "http://server-ip/nagios/". A robust GUI provides for customization of layout, design and preferences on a per-user basis, giving IT teams the flexibility . Click Edit > Modify. By default, the Nagios URL is http(s)://<subdomain>.<domain>/nagios.If you want to change the default Nagios path to another path, then the information below can help . Port 8081 in listening should be displayed in your server network table. If you want to serve via Django's runserver simply specify the port /manage.py runserver 0.0.0.0:<your_port> Open and edit 000-default.conf file and change the port to 8081 as shown in the below image. Modified 5 years, 7 months ago. Update the services file. . Step 3. If you want to change the default port, you can do this in the file nsclient.ini. $ sudo sh -c "echo >> /etc/services" $ sudo sh -c "sudo echo '# Nagios services' >> /etc/services" $ sudo sh -c "sudo echo 'nrpe 5666/tcp' >> /etc/services". After altering Nginx port statement, you need to restart the web server in order to bind on the new port on Debian based Linux distributions. This will tell Nagios to perform active checks and will create a host called "NCPA 2 Host" with checks for CPU Usage, Memory Usage, and Process Count. I don't want to use port 80 because I am reserving it for my another device whose default port # is 80 and can't be changed. All other servicemarks and trademarks are the property of their respective owner. If the remote server runs only HTTP and not HTTPS, you'll get "HTTP CRITICAL - Unable to open TCP socket" message as shown below. Need to run Nagios Web Interface on a different port. Maybe this kind of system was working fine in past, but today, with this huge amount of spam circulating all over the world, this kind of emails from a not verified source can be filtered . To use the SNMP extend command, first copy the check_file.sh script to the remote server. It's simply allowed in configuration file. 2.2. 1 Answer. Enter the new port number and click OK. Close the registry. Install the configuration files. Target Audience This document is intended to provide Nagios Network Administrators with the port and protocol information that they need to properly configure servers for use with Nagios XI. Regards, Harsha. UPC code expires in 4 days. $ sudo make install-config. Thanks. will need to open an ACL orginating from the Windows server and. the check_nt plugin can be defined here. Submitting Porting Request. You can check tomcat server, or apache server, or glassfish, or any . How do I change the port that Nagios checks to see that my SSH server is functional? In this example, we'll change our hostname to linuxconfig . I want to change the port number of Nagios from 80 to 8081 I tried making changes in /etc/httpd/conf/http. Restart your computer. In this way we will be covering the basic checks of our server at the operating system level. By default, SQL Server will use port 1433 for incoming communication. But both needed 80 port number. The Nagios XI Configuration Wizard NSClient++ creates services that use this module using the check_nt plugin. Disabling essential NSClient modules. 2.3. $ sudo hostnamectl set- hostname linuxconfig. Nagios hates this. During Nagios install we added the following piece of config to apache httpd.conf file and it runs on the regular port 80, now if I want to run this on a different port then what needs to changed to make it run on lets say port 8080. Out of the box (OOTB) Nagios XI runs on standard HTTP port 80 and if HTTPS is then configured it will also use port 443. # vi /etc/nginx/sites-enabled/default [On Debian/Ubuntu ] # vi /etc/nginx/nginx.conf [On CentOS/RHEL] Bonus Read : How to Rewrite URL Parameters in NGINX. Start the NRPE daemon. I am trying to install nagios but I would like to start the web interface on a port other than 80. If you wanted to change the default port you would change it with this setting: port = 12489 This module is what is known as active checks, the Nagios XI server is actively performing the checking. Next, add the configuration directive extend . <VirtualHost *:8085> # Change 8085 to whatever port you want then linking default in sites-enabled ( not sure if this site is needed, but it works ) Nagios stores the status of the hosts and services it is monitoring to determine if they are working properly or not. The default port for NSClient++ is 12489. I am trying to access HTTP Web Server and also HTTPS Secure Web Server remotely from outside world through other ports such as port 81. As organizations grow or on-board new tech vendors, they add or change networks, devices and platforms. Nagios, the Nagios logo, and Nagios graphics are the servicemarks, trademarks, or registered trademarks owned by Nagios Enterprises. . http (s), ports 80 and 443 The product interfaces are web-based in Nagios. Install Nagios, NRPE, and the base Nagios Plugins. From the Compute Engine console, click "View Network Details" on the instance. 3 Answers. It relies on nmap utility to test if a remote host is listening on a UDP port. The connection problem usually occurs due to different reasons like, Windows not listening on the port 12489 or blocked by the firewall. Hi, I am running nginx and Nagios in the same AWS instance. use ssl = 0 ; PERFORMANCE DATA - Send . I cant seem to find much info on how to do that. Once they do their initial checks, you should see your NCPA data in Nagios. But I cannot find out how to set this port number on main Nagios server, which collects information from that remote NRPE server. The files and information on this site are the property of their respective owner(s). Summary Files Reviews Support Wiki Mailing Lists Donate SVN CVS Git Nagios BPI; Nagios Core; Nagios Core Docs; Nagios V-Shell; NDOUtils; NRDP;