Category: SSL/TLS

Removal of the Client Authentication EKU from TLS Server Certificates – What You Need to Know

Overview Since September 15, 2025, SSL.com’s TLS server certificates have been issued without the Client Authentication extended key usage (EKU) extension. This change was guided

DV, OV, IV, and EV Certificates

Certificates from SSL.com include DV (Domain Validated), OV (Organization Validated), IV (Individual Validated), and EV (Extended Validated) Certificates.

Ordering and Retrieving SSL/TLS Certificates

How to order SSL/TLS certificates from SSL.com, including the Domain Validation (DV) process and High Assurance/EV document submission.

Acceptable Business Listings for Validation

Validation and Callback Issuing a digital certificate is a carefully-structured process which includes you, the customer, providing pertinent information confirming your identity and choosing the

Install Intermediate Certificates To Avoid SSL/TLS Not Trusted

Broken SSL/TLS certificate chains from missing intermediates can cause trust errors. Learn how to diagnose and fix them by installing a complete chain.

The Essential Guide to Multi-Domain (UCC/SAN) Certificates

Learn about multi-domain (UCC/SAN) certificates that secure multiple domains with a single SSL/TLS certificate. Discover benefits, implementation steps, best practices, and troubleshooting tips for efficiently managing your organization’s domain security needs.

What is HTTPS?

HTTPS (Hypertext Transfer Protocol Secure) is a secure version of the HTTP protocol that uses the SSL/TLS protocol to encrypt data sent between a web browser and a website.

What Are The Requirements for SSL.com SSL/TLS Certificate Domain Validation?

Domain Validation methods and options for all SSL/TLS certificates.

Install SSL Certificates on Zeus Webserver

This article will provide detailed instructions on installing certificates on the Zeus Webserver. Upon receiving your certificates, you will have three files. Begin by opening

An Introduction to Certification Authority Authorization (CAA)

SSL.com’s in-depth look at Certification Authority Authorization (CAA) and how it can help protect your website, your business – and your online reputation.

Created by the Internet Engineering Task Force (IETF) and described in RFC 6844, CAA lets the owner of a domain name authorize designated and specific Certification Authorities (CAs) to issue SSL certificates for their domain name.

Understanding CAA Check Failures and How to Resolve Them

Learn how to fix CAA check failures and secure your domain. This guide covers common issues, DNSSEC errors, and actionable solutions for TLS certificates.

Why Law Firms Should Invest More in Cybersecurity

Explore why law firms must prioritize cybersecurity investments today. Learn about unique vulnerabilities, rising cyber threats, essential security measures, and the business case for protecting sensitive legal data.

What is an SSL/TLS Certificate?

Learn about SSL certificates: what they are, how they work, and why they’re crucial for website security. Explore types, benefits, and implementation.

What is HTTP Strict Transport Security (HSTS)?

Learn about HTTP Strict Transport Security (HSTS), a crucial web security mechanism that enforces HTTPS connections. Discover its benefits, implementation steps, and best practices for protecting your website against common attacks.

Unified Communications Certificate (UCC): A Comprehensive Guide

Learn about Unified Communications Certificates (UCCs), how they secure multiple domains, their benefits, and best practices for implementation and management.

What is a Root Store?

Root stores: Key components of internet security. Learn about these trusted certificate collections and their role in cybersecurity.

What is a Wildcard SSL Certificate?

Wildcard SSL Certificates secure multiple subdomains under one domain. This article explains their function and best uses.

What is the “Unique Value” Used in Domain Validation (DV)?

Domain Validation (DV) is a crucial step in obtaining an SSL/TLS certificate for your website. A key component of this process is the “unique value” used to verify domain ownership.

SSL Certificate Expiration Guide

Why do SSL Certificates Expire? Think of an SSL certificate as a passport for your website, verifying its identity and ensuring secure connections. Just as

Automatically Generate Unique IoT Device Certificates Using Prevalidated Domains

Introduction: SSL.com provides a domain prevalidation capability that speeds up the process to issue certificates. The process is extended to all subdomains to the left

What is a Certificate Authority (CA)?

Certificate authorities (CAs) are critical in securing online communications and identities. But what exactly does a CA do? And how do they establish trust online?

What Is Certificate Pinning?

What is Certificate Pinning? Certificate pinning is a security mechanism used in the context of authenticating client-server connections, particularly in the context of secure communication

SSL/TLS Handshake: Ensuring Secure Online Interactions

Whenever we visit a website, make an online purchase, or check our email, data is transmitted back and forth between our devices and remote servers.

Preparing Your Organization for the Quantum Revolution: A Guide to Implementing Post-Quantum Cryptography

Quantum computers will be potent and pose a massive threat to encrypting data as we know it. Here at SSL.com, we are on top of

SSL/TLS Best Practices for 2023

An overview of current best practices to keep in mind when setting up SSL/TLS for your website, focusing on both security and performance.

Name	Provider	Purpose	Expiration
Google Analytics	Google	Collect anonymous information such as the number of visitors to the site, and the most popular pages.	365 days
StatCounter Analytics	StatCounter	Collect anonymous information such as the number of visitors to the site, and the most popular pages.	365 days

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Category: SSL/TLS

Removal of the Client Authentication EKU from TLS Server Certificates – What You Need to Know

DV, OV, IV, and EV Certificates

Ordering and Retrieving SSL/TLS Certificates

Acceptable Business Listings for Validation

Install Intermediate Certificates To Avoid SSL/TLS Not Trusted

The Essential Guide to Multi-Domain (UCC/SAN) Certificates

What is HTTPS?

What Are The Requirements for SSL.com SSL/TLS Certificate Domain Validation?

Install SSL Certificates on Zeus Webserver

An Introduction to Certification Authority Authorization (CAA)

Understanding CAA Check Failures and How to Resolve Them

Why Law Firms Should Invest More in Cybersecurity

What is an SSL/TLS Certificate?

What is HTTP Strict Transport Security (HSTS)?

Unified Communications Certificate (UCC): A Comprehensive Guide

What is a Root Store?

What is a Wildcard SSL Certificate?

What is the “Unique Value” Used in Domain Validation (DV)?

SSL Certificate Expiration Guide

Automatically Generate Unique IoT Device Certificates Using Prevalidated Domains

What is a Certificate Authority (CA)?

What Is Certificate Pinning?

SSL/TLS Handshake: Ensuring Secure Online Interactions

Preparing Your Organization for the Quantum Revolution: A Guide to Implementing Post-Quantum Cryptography

SSL/TLS Best Practices for 2023

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