Category: Troubleshooting

Understanding CAA Check Failures and How to Resolve Them

Overview Certification Authority Authorization (CAA) records allow domain owners to specify which Certificate Authorities (CAs) can issue TLS certificates for their domains. CAA mandates that

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.

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.

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.

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.

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.

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.

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.

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.

Unblock YubiKey PIN

Follow these steps to unblock your YubiKey PIN and get back to signing code and documents.

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.

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.

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.

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.

Install SSL.com CA Root Certificates

CA Root Certificates, CA-bundle, Intermediate Files

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.

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!

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.

Fix the IIS 7 “No Private Key” Error Message

How to correct the “No Private Key” error message in Windows Internet Information Server (IIS).

Remove a Root Certificate in Internet Explorer

Instructions for removing an unwanted root certificate in IE (Internet Explorer).

Remove a Root Certificate in Firefox

How to remove or disable an unwanted root certificate in Firefox.

Turn Off SSL 3.0 and TLS 1.0 in Your Browser

This article will show you how to disable SSL 3.0 and TLS 1.0 in your browser.

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).

Fix Warnings of Non-SSL Elements With WordPress

How to identify and fix warnings of Non-SSL elements with Wordpress.

Fix the Browser Error: ‘ssl_error_rx_record_too_long’ or ‘Internet Explorer cannot display the webpage’ on Linux

How to correct the Error code: ‘ssl_error_rx_record_too_long’ (Firefox) or ‘Internet Explorer cannot display the webpage’ (IE).

Category: Troubleshooting

We’d love your feedback