SSL Support Team, Author at SSL.com

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

Overview Beginning September 15, 2025, SSL.com’s TLS server certificates will be issued without including the Client Authentication extended key usage (EKU) extension. This change is

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

Supported Cloud HSMs for Document Signing and EV Code Signing

SSL.com supports AWS CloudHSM, Azure Dedicated HSM, and Google Cloud HSM for issuance of EV Code Signing and Document Signing certificates.

What Is a CDN?

Learn how Content Delivery Networks (CDNs) optimize website performance by reducing latency, improving load times, and enhancing security through distributed server systems worldwide.

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.

How to Add Subdomains to Your SSL.com Certificate

Learn how to protect your subdomains with SSL.com certificates. Compare Wildcard SSL vs UCC/SAN options, follow step-by-step setup instructions, and choose the right solution for your website security needs.

Multi-Perspective Issuance Corroboration (MPIC) Arrives

On March 15, 2025, SSL.com will implement an initial deployment of MPIC. This update is in support of the requirements defined in Ballot SC-067 v3

How to Locate the Certificate Fingerprint and Serial Number

Knowing your certificate’s fingerprint and serial number is highly useful when requesting a certificate to be revoked. This information is usually required by the Certificate

Sharing SSL Certificates Across Multiple Servers

Securely deploy SSL/TLS certificates on multiple servers using PFX or unique keys. Explore automation with ACME and SSL.com management solutions.

Sharing SSL Certificates Across Multiple Servers

Learn how to efficiently share SSL.com certificates across multiple servers using either PFX files for simplicity or unique certificates for enhanced security.

Enabling an Access Password for Client Authentication Certificates

This guide shows how to install a Client Authentication certificate in the Windows certificate store and generate an access password for the certificate. Normally a

Essential Ways to Secure Your SSH Configuration

A comprehensive guide to securing SSH configurations through 8 essential practices, including key-based authentication, root login disabling, encryption, updates, 2FA, logging, access controls, and key management. Ideal for system administrators and security professionals implementing SSH best practices.

What is DNS over HTTPS (DoH)?

DNS over HTTPS (DoH) encrypts DNS queries using HTTPS, enhancing internet privacy and security by preventing ISPs and malicious actors from monitoring or manipulating your web browsing. Learn how it works, its benefits, and how to implement it across different browsers and systems.

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.

Digtally Sign a PDF in Adobe Acrobat Reader using a Yubikey Token

This guide will show you how to sign a PDF document in Adobe Acrobat Reader with a document signing certificate from SSL.com. These instructions were

Healthcare Cyberattacks Are on the Rise – Digital Certificates Can Help

Learn how digital certificates protect healthcare organizations from cyberattacks by securing patient data, medical devices, and communications while ensuring HIPAA compliance. Discover essential certificate types and implementation strategies for robust healthcare cybersecurity.

SSL Support Team

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

Install SSL Certificates on Zeus Webserver

Supported Cloud HSMs for Document Signing and EV Code Signing

What Is a CDN?

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

How to Add Subdomains to Your SSL.com Certificate

Multi-Perspective Issuance Corroboration (MPIC) Arrives

How to Locate the Certificate Fingerprint and Serial Number

Sharing SSL Certificates Across Multiple Servers

Sharing SSL Certificates Across Multiple Servers

Enabling an Access Password for Client Authentication Certificates

Essential Ways to Secure Your SSH Configuration

What is DNS over HTTPS (DoH)?

An Introduction to Certification Authority Authorization (CAA)

Digtally Sign a PDF in Adobe Acrobat Reader using a Yubikey Token

Healthcare Cyberattacks Are on the Rise – Digital Certificates Can Help

Why Law Firms Should Invest More in Cybersecurity

What is Common Name? Understanding a Key Component of Digital Certificates

Subordinate CAs and Why You Might Need One

Install an SSL Certificate on a Tomcat or Java-based Web Server

Understanding CAA Check Failures and How to Resolve Them

OCSP Stapling: Secure and Efficient Certificate Validation

How to Automate EV Code Signing With Signtool.exe or Certutil.exe Using eSigner CKA (Cloud Key Adapter)

How to Install SSL.com eSigner Cloud Key Adapter (CKA)

Authenticating Users and IoT Devices with Mutual TLS

SSL Support Team

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