Nessus Scan Showing SSLv3 on NS Client

September 13, 2017 Jordansphere Nagios

Problem During a Nessus scan of a network it was showing lots of insecurities with an NSClient configuarion on a windows machine we were monitoring via Nagios. OS: Windows 2016 NSClient: 0.3.x Nagios: 4.0.7   Looking at one particular issue (SSLv2 and SSLv3) showing on the report: Nessus Output: The remote service accepts connections encrypted […]


Add NRPE Exim Mailqueue Check to cPanel Server

September 22, 2015 Jordansphere Cpanel

This blog assumes that NRPE and nagios plugins are already installed on the remote server. Remote OS: Centos 6.7 Nagios Server OS: Centos 5.7 WHM: 11.50.0 NRPE: 2.14   Remote server Download the check_eximailqueue plugin (version 1.3 as of writing) from . Upload the plugin to the the Nagios plugin directory (/usr/lib64/nagios/plugins/) on the remote server [RemoteServer]# vi /usr/lib64/nagios/plugins/check_eximailqueue Uncomment […]


cpanel, exim, Mailqueue WARNING - query returned no output!, nagios, nrpe,

Nagios: DNS CRITICAL – ‘/usr/bin/nslookup -sil’ msg parsing exited with no address

November 19, 2014 Jordansphere FreeBSD

Scenario: We changed from BIND to Unbound on a smarthost email server. As soon as this was changed Nagios started throwing up a "DNS CRITICAL – '/usr/bin/nslookup -sil' msg parsing exited with no address" . In the following example i've substituted for the actual host. Troubleshooting steps:  From the Nagios server i checked the config file: […]


bind unbound nagios,

Installing NRPE and Nagios-Plugins on Centos 6 (64bit) with IPTables

June 24, 2013 Jordansphere Linux

Scenario: We have several remote BSD (NRPE) and Windows servers (NSClient++) that we already actively monitor. We wanted to add a Centos 6 machine to our monitoring list. On the Centos server we also have IPTables installed. Nagios-Plugins and NRPE arent available via the official Centos repositories so we will need to use a third-party. […]


iptables nagios centos nrpe,

Installing and Enabling NRPE on Remote FreeBSD Server

April 4, 2013 Jordansphere FreeBSD

Here are some instructions I had (from a couple of years ago may I add) to assist in setting up NRPE for remote monitoring from (eg) Nagios   1) Add nagios user. nologin 2) install nagios-plugins from ports (nagios-plugins-1.4.11,1 )  -> cd / /usr/ports/net-mgmt/nagios-plugins/ -> make -> make install   3) Set permissions -> chown […]


nrpe remote host enable install freebsd linux,

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