Tag: SSL

Generating certificate requests with additional subject identities using OpenSSL

January 17, 2016

The below provides steps to how the process used to create a certificate request to issue to certificate authority server in an internal environment. However, the steps to create the certificate request can be performed if submitting a certificate request to a third party certificate authority. Firstly, I will create a configuration file (openssl.cnf) to … More Generating certificate requests with additional subject identities using OpenSSL

Forcing SSL with permanent redirect for Nagios XI

January 15, 2016

The scope of this article is to describe the steps required to configure SSL for Nagios XI and to force SSL with a permanent redirection. In this example, I have made the assumption that certificate files have been generated and in this example I will be using the hostname ‘nagios.dean.local’ for my Nagios XI server … More Forcing SSL with permanent redirect for Nagios XI

Creating concatenated certificate container files using Windows PowerShell

November 7, 2015

I was recently enabling SSL on a web application which required the certificate file to be provided as a concatenated certificate container file containing all SSL certificates in the chain. The method to perform the above is relatively simple and just requires each certificate to the chain to be opened in a text editor and the … More Creating concatenated certificate container files using Windows PowerShell

Unable to issue Exchange certificate with Denied By Policy Module 0×80094801.

July 21, 2014

I was recently renewing an SSL certificate for Exchange services with an internal certificate authority, when issuing the certificate request the following error was received: Denied By Policy Module 0×80094801, The Request does not contain a certificate template extension or the certificate template request attribute In order to issue the certificate request I was required … More Unable to issue Exchange certificate with Denied By Policy Module 0×80094801.

Monitoring multiple SSL certificates on a single host using Nagios XI

May 28, 2014

I was recently looking to monitor multiple SSL certificates on a host for multiple network services, to which Nagios appeared to have a limitation within the ‘check_xi_service_http_cert’ check command  to which it can only monitor a single SSL certificate per monitored host.  I therefore created a powershell script to allow for multiple certificates to be … More Monitoring multiple SSL certificates on a single host using Nagios XI