Overview

To enable HTTPS on your website, you need to get a certificate (a type of file) from a Certificate Authority (CA). In this tutorial you can find many ways, how to create your own free ssl certificate.

Free ssl certificates with Shell Access using letsencrypt

You can create free ssl certificates with letsencrypt. It can automate certificate issuance and installation with no downtime. It also has expert modes for people who don't want autoconfiguration. It.s easy to use, works on many operating systems, and has a lot of documentation.
In order to create a free ssl certificate with letsencrypt, you have first to install certbot-auto script and configure it as executable.

Install
wget https://dl.eff.org/certbot-auto
chmod a+x certbot-auto

Create a ssl certificate
./certbot-auto --apache certonly

Free ssl certificates with Comodo

Comodo offers free SSL at no cost for 90 days. If you are looking to test a ssl certificate and to check if it's working, this is a good option Get your free SSL cert issued winin minutes with a very high strength and very high bit encryption. All the main browsers recognize Comodo issued certificates.

Free ssl certificates with zerossl.com

zerossl.com you can create your free ssl within minutes with a very intuitive and easy plattform. Your account key will be generated automatically and registered with Let's Encrypt. The files required to prove your ownership of the domain will be automatically created for you.

Free ssl certificates with sslforfree.com

sslforfree.com is an other portal to create your free ssl within mintutes. They generate certificates using their ACME server by using domain validation. For the newest browsers they generate a private key in your browser using the Web Cryptography API and the private key is never transmitted.

Premium ssl certificates with sslstore.com

The premium certificates are needed if you run a very important website and if you need a guarantee. Usually the security companies are offering guaranties till 100'000 USD!
They offer many other advantages, like a longer period of validity (till 10 years) and a wildcard system, where you can use the certificat for many websites and subdomains.
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