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.
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Category: Troubleshooting
Install SSL.com Root and Intermediate Certificates on YubiKey
How to avoid trust errors with digital signatures by installing a complete certificate chain with root and intermediate on your YubiKey FIPS.
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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
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Install SSL.com CA Root Certificates
CA Root Certificates, CA-bundle, Intermediate Files
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How to edit the address on an invoice
The invoices issued by SSL.com contain all your personal information needed for transactions. However, these details are likely to change over the course of time.
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Generate a PFX/P12 File for Azure with Windows
How to create a PFX/P12 file with private key and complete chain of trust in Windows for import into Azure.
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Install Intermediate Certificates for EV Code Signing and Document Signing
How to install a complete SSL.com chain of trust for EV code signing or document signing with required intermediate certificates.
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Update Adobe Approved Trust List (AATL) in Adobe Acrobat and Acrobat Reader
How to update the Adobe Approved Trust List (AATL) in Adobe Acrobat and Acrobat Reader to avoid trust errors with digital signatures.
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Disable TLS 1.0 and 1.1 in Apache and Nginx
How to disable TLS 1.0 and 1.1 in Apache and Nginx, how to check enabled SSL/TLS versions, and common browser errors resulting from deprecated TLS versions.
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PEM, DER, CRT, and CER: X.509 Encodings and Conversions
How to recognize and work with PEM and DER digital certificate files: common file extensions, visual examples, and conversion with OpenSSL.
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Configuring Your Business Identity Document Signing Certificate and YubiKey with Adobe Acrobat on macOS
This how-to will show you how to configure your Business Identity document signing certificate and YubiKey FIPS to work with Adobe Acrobat in macOS.
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Unblock YubiKey PIN
Follow these steps to unblock your YubiKey PIN and get back to signing code and documents.
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Using the SSL.com Sandbox for Testing and Integration
SSL.com’s Sandbox, a clone of our production release of the SSL.com portal and SWS API, lets developers freely experiment with our services.
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Use Your YubiKey for S/MIME Email in Thunderbird
Instructions for setting up Mozilla Thunderbird to access an S/MIME certificate on a YubiKey hardware token with the OpenSC PKCS#11 driver.
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Troubleshooting SSL/TLS Browser Errors and Warnings
This guide will help you diagnose and fix the root causes of common SSL/TLS errors and warnings in Chrome, Firefox, Edge, IE, and Safari.
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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.
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Require Strong Ciphers in Windows IIS 7.5 and 8
Windows Internet Information Service (or IIS) 7.5 and 8 can be configured to use only strong ciphers.
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Upgrade a Certificate from SHA-1 to SHA-2
You can change from SHA-1 to SHA-2 by “reprocessing” your current certificate. This is free and easy to do at any time via your SSL.com account!
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Fix Warnings of Non-SSL Elements on Your Site
Mixed-content warnings (non-SSL elements) mean that both secured and unsecured elements are being served up on a page.
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Fix the IIS 7 “No Private Key” Error Message
How to correct the “No Private Key” error message in Windows Internet Information Server (IIS).
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Remove a Root Certificate in Internet Explorer
Instructions for removing an unwanted root certificate in IE (Internet Explorer).
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Remove a Root Certificate in Firefox
How to remove or disable an unwanted root certificate in Firefox.
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How to Turn Off SSL 3.0 and TLS 1.0 in Your Internet Browser
This article will show you how to disable SSL 3.0 and TLS 1.0 in your browser.
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Set Up Microsoft Exchange Server to Use a Fully Qualified Domain Name
How to set up Microsoft Exchange Server to use a Fully Qualified Domain Name (or FQDN).
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Fix Warnings of Non-SSL Elements With WordPress
How to identify and fix warnings of Non-SSL elements with Wordpress.
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