SSL Advanced

Self Signed Certificate vs CA Certificate — Which One’s Right for Me?

We get asked a lot about self signed certificates vs CA signed certificates — specifically why you can’t just sign your own SSL certificates and avoid working through the certificate authorities (CAs).

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What is an SSL Certificate Chain and Why Should I Follow It?

To truly understand SSL certificates and what an SSL certificate chain is, you need at least a rudimentary knowledge of public key infrastructure (PKI). PKI is a system of certificate authorities (CAs), root programs, and digital certificates. PKI is the trust model that undergirds SSL/TLS.

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Tomcat SSL: SSL Certificates for Tomcat Servers

Apache Tomcat servers are widely used to host websites and execute Java servlets. They’re application servers, and one of the most popular server-types our customers use. Unfortunately, sometimes Tomcat servers don’t play nicely with SSL — at least, this is the case if you’re not sure what you’re doing. That’s why we’ve written a Tomcat SSL guide that discusses SSL certificates for Tomcat Servers.

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How to Set Up Multiple SSL Certificates on One IP

Before a transport layer security (TLS) extension called Server Name Indication (SNI) was published, secure sockets layer (SSL) certificates were limited to organization validation (OV) SSL certificates that secured an IP address. For a website to use SSL, it needed a dedicated IP. Today, that couldn’t be further from the truth.

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How Do I find My Comodo SSL Certificate Private Key?

If you're here because you want to know how to find your Comodo SSL certificate private key, then breathe a sigh of relief. We can help.

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Not Sure How to Find the Private Key of a Certificate?

We often receive questions from people wanting to know what an SSL certificate’s private key is, what it’s used for, and how to find it. SSL certificates make use of a public/private key pair during its handshake. This is a working example of public key infrastructure (PKI), which uses digital certificates to authenticate identity on the internet.

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How to Move an SSL Certificate to Another Server

Whether it’s because of a server location change or an upgrade, you may need to transfer settings and data from one server to another. And, of course, we all know an SSL certificate is one thing you definitely should never forget to move between servers, as it keeps your website’s connection encrypted and helps your site stay compliant with security standards and regulations.

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How to Install a Wildcard SSL Certificate on Apache

Look, you and I both know all you’re looking for is an explanation of how to install a wildcard SSL certificate on an Apache server. But first, a little primer on what Apache SSL is and how wildcard SSL certificates are used on them.

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How to Install SSL Certificate on AWS EC2 Instance

Not sure how to add an SSL certificate to an EC2 instance? We’ve got you covered. Amazon Web Services (AWS), like so many other Amazon product offerings, has catapulted into one of the industry’s leading hosting providers. Read more...

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SSL Cipher Suites: The Ultimate Guide

A deep look at the algorithms that facilitate SSL and TLS

For most people, the topic of mathematical underpinnings of digital encryption is one that’s entirely appropriate for cryptographers and nerds. Incidentally, there’s a lot of overlap on that Venn

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SSL: A Client Certificate vs Server Certificate

How client vs server certificates are used for authentication

As of 2018, most website owners are acutely aware of server SSL certificates. Client SSL certificates? Not so much. And that’s a shame because client SSL certificates can play a critical security

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SNI SSL vs IP SSL — The Ultimate Difference Explained

A breakdown of the differences between SNI vs IP SSL

Though its rare these days, you may occasionally run across terms like SNI SSL and IP SSL or website talking about the differences between SNI SSL vs IP SSL. These terms harken back to the early days

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How to Fix the NET::ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN Google Chrome Error

L/TLS certificates are essential to web security. They became mandatory in 2018. But misconfiguring one can cause a whole load of unintended problems.

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What SSL Certificate Port Does SSL Use?

A look at what an “SSL certificate port” is (or isn’t)

Today, we’ll answer one of the most common questions we get: “What port does SSL use?” Or, to put it other way that people ask: what are some of the most common SSL certificate port numbers that

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