Replace Default vCenter Certificate with a Free Let’s Encrypt SSL

On September 30, 2021, the DST Root CA X3 used to sign Let’s Encrypt’s R3 Intermediate CA Expired; therefore, some of the previous guides I’ve written and many that you will find online are no longer valid. This guide steps you through the process to install a Free Let’s Encrypt SSL Certificate for vCenter that…

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Install Free SSL Certificate for vSphere 7 Home Lab

Last year I wrote the follow guide Install Free Let’s Encrypt SSL Certificate for your vCenter 6.7 Lab. The certificate was issued by Let’s Encrypt via a project called ZeroSSL. Recently ZeroSSL stopped using Let’s Encrypt, and started issuing the certificates themselves, therefore the process to generate the certificate outlined in that guide is no…

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Fix Error, You cannot visit site right now because the website uses HSTS

I faced this error on Chrome. You cannot visit “site” right now because the website uses HSTS. The HTTP Strict-Transport-Security response header (HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP, therefore, preventing access. I received this error because I had accessed this URL previously…

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Install Free Let’s Encrypt SSL Certificate for your vCenter 6.7 Lab

In this post, I’ll show you how to install a valid SSL certificate for your vCenter server for FREE!. For this I’ll use a free, open-source web-based tool by ZeroSSL to generate a Let’s Encrypt SSL certificate quickly and easily. Let’s Encrypt is a free open certificate authority brought to you by the non-profit Internet…

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