Tag: Certificate

LetsEncrypt certificates automatic renewal in Azure Application Gateway

I can bet almost any IT technician have heard of Letsencrypt certificates. They are completely free and fully supported by big corps such as Google, Facebook, Microsoft, and many others, to have a more secure and privacy-respecting Web. A lot of public websites are using those certificates. Of course, as for any free stuff, there …

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Letsencrypt Unable to find a virtual host listening on port 80

I installed Goautodial where access via HTTPS was configured “out-of-the-box” with self-signed certificate. HTTP access was configured through like default website in Apache without using VirtualHost directive. I tried to get a certificate from Letsencrypt and got the following error: Unable to find a virtual host listening on port 80 which is currently needed for …

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Polycom Cannot download certificate because domain is not accessible

Polycom-cannot-validate-and-install-certificate

On first sign in Polycom phone cannot download certificate because domain is not accessible and displays the following messages:

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How To Create SSL Certificate for Apache on CentOS 7

An SSL certificate is an electronic ‘document’ that is used to bind together a public security key and a website’s identity information (such as name, location, etc.) by means of a digital signature. The ‘document’ is issued by a certificate provider such as GlobalSign, Verisign, GoDaddy, Comodo, Thawte, and others. In this article I will …

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