SSL/TLS Certificate Knowledgebase

Knowledge hub of SSL Guides, Manuals, and Resources

Certera.com Knowledge base is a hub of different online resources, helping newbies and professionals understand digital certificates thoroughly. Whether you only want to clear the basics, understand the exact definition, or want to know the purchase, installation, renewal, and management procedure, we provide them all in a single place. Certera got an accurate answer/solution directly from industry experts for every certificate query.

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How to Install a Wildcard Certificate on FortiGate?

Introduction As the internet becomes even more ingrained in day-to-day activities, specifically business ones, Web security is a crucial factor for most organizations. As the number of subdomains and web apps rises, keeping track of individual SSL/TLS certificates may be challenging. This is where wildcard SSL certificates can be useful,…
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How to Install Wildcard SSL Certificate on Ubuntu 22 Apache Server?

Introduction With the tremendous advancement in technology especially in internet use where the security of applications is paramount, you find your web applications and services need to be protected through SSL/TLS encryption. They are convenient and inexpensive for use for different subdomains that are in one domain in terms of…
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How to Fix Err_Tunnel_Connection_Failed Error?

Google Chrome is one of the most popular browsers users use (almost 65.38% as of June 2024). It is so because it is the fastest web browser as of now, and we all can agree on one thing – “Speed” matters when it comes to browsing. Apart from that, various…
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What is SSL Common Name Wildcard Error? How to Fix it?

Introduction Having SSL/TLS encryption is something of a leitmotif of present-day web security as more information is now transferred through the Internet than over any other medium. However, SSL best practices can be implemented incorrectly or intrusion can be made from other entities leading to errors in connections. Such an…
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Comodo PositiveSSL vs. Comodo Premium SSL Certificates: Difference Explained

In today’s digital environment, maintaining user data and establishing confidence in your website requires an SSL certificate. The top provider of SSL certificates, Comodo, provides a range of choices to meet varying requirements. Comodo Positive SSL and Comodo Premium SSL are two of their products. A decision for your website…
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Positive SSL vs. Essential SSL: Detailed Explanation & Difference

Are you perplexed and unable to distinguish between the Essential and Positive SSLs? You are not alone. Potential customers frequently become confused because of the striking resemblance between these two Comodo SSL Certificates. Thus, we examined and contrasted these two SSL certificates to make your decision-making process easier. Specific technical…
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PositiveSSL Wildcard Vs. EssentialSSL Wildcard Certificate: Difference

SSL certificates are crucial to securing user data and fostering customer trust. Choosing the most suitable SSL certificate might be difficult because so many options are available when you start looking. SSL certificates are associated with several brands, validation types, SAN and Subdomain coverage, encryption strengths, and benefits! Nevertheless, there…
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How to Fix ERR SSL BAD RECORD MAC ALERT Chrome Error?

Were you trying to access a site on one of the most advanced browser i.e., Google Chrome, and got an error warning message stating – ERR_SSL_BAD_RECORD_MAC_ALERT? If affirmative, then don’t worry or scratch your head. As always, we are here! We have listed down a couple of methods that you…
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How to Fix ERR Connection Timed Out Error?

Have you encountered the err_connection_timed_out error while working on a browser? If affirmative, you must know how frustrating and irritating it can be. Therefore, We will explore – What exactly the error is? What causes it? And the most important part – “How do you fix it? What is the…
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What is a CA bundle in SSL and How do you Create it?

What Is a CA Bundle in SSL? The CA (Certificate Authority) Bundle includes all the trusted root certificates applicable for the SSL/TLS protocol (Secure Sockets Layer/ Transport Layer Security). Such root certificate authorities are responsible for verifying the integrity of encryption certificates published by websites. A connection between a client…