Install an SSL Certificate

Use the following information on this page to install your SSL Certificate. Our SSL Certificates will work with any server, device, hosting account or application that supports the use of an SSL Certificate.

The following links will take you to the SSL Certificate installation instructions for various servers and control panels. The documentation is provided by our partners, click the relevant link below and it will open in a new window.

Apache, Mod SSL 🔗 Microsoft IIS 7.x  🔗
NGINX 🔗 Microsoft IIS 8.x  🔗
All Other Web Servers 🔗 Microsoft IIS 5.x & 6.x 🔗
Mozilla SSL Configuration Generator 🔗 Sectigo® SSL Installation Guides 🔗
Qualys SSL Server Test 🔗

SSL Certificates can be used in a variety of applications. If your server is not listed or you need additional information, refer to your server documentation or contact your server vendor.

Intermediate Certificates for Trustico® branded SSL Certificates issued after 24 May 2025 are available for download. More Information 🔗

About Installation Support

Due to the large amount of different web servers, control panels and uses for our products we do not offer dedicated installation support. However, feel free to Contact Us 🔗 via online e-mail or live chat and we'll attempt to help to the best of our abilities if you are experiencing a technical problem.

Visit our Premium Installation 🔗 page if you require us to install your SSL Certificate. Premium Installation is an additional service which must be purchased at the time of ordering.

More Resources

This document shows the new (in-use in 2024/2025) Sectigo® issuing CAs and hierarchies, including cross-certificates. Sectigo® CA Hierarchy 🔗

Our SSL Certificates work with any device that supports the use of an SSL Certificate. If you are experiencing any problems with ubiquity, it may be due to the installation of an incorrect intermediate or root. Older devices may not work with all intermediates, ensure you install the most relevant intermediates for your environment. Intermediate Certificate Information 🔗

Configure Your SSL Certificate Trust Seal

Certificate Signing Request (CSR) Generator Tool

Certificate Signing Request (CSR) Generator Tool

The Trustico® CSR Generator eliminates the complexity of command-line tools and platform-specific requirements through an intuitive web interface that guides you through each step.

Certificate Signing Request (CSR) Generator Tool

The Trustico® CSR Generator eliminates the complexity of command-line tools and platform-specific requirements through an intuitive web interface that guides you through each step.

DNS Stamp Generator and Decoder Tool

DNS Stamp Generator and Decoder Tool

The Trustico® DNS Stamp generator simplifies creation of properly formatted stamps for any DNS resolver configuration. Users input their resolver details including protocol type, server address, and security properties through...

DNS Stamp Generator and Decoder Tool

The Trustico® DNS Stamp generator simplifies creation of properly formatted stamps for any DNS resolver configuration. Users input their resolver details including protocol type, server address, and security properties through...

SSL Certificates with Client Authentication EKU - Available Through Trustico® Until May 2026

SSL Certificates with Client Authentication EKU...

All Sectigo® branded SSL Certificates issued through Trustico® automatically include this capability without requiring special requests or additional configuration through May 15th, 2026.

SSL Certificates with Client Authentication EKU...

All Sectigo® branded SSL Certificates issued through Trustico® automatically include this capability without requiring special requests or additional configuration through May 15th, 2026.

Beyond the Padlock : How Customers Really Evaluate Payment Security

Beyond the Padlock : How Customers Really Evalu...

SSL Certificates from established providers like Trustico® form the foundation of payment security trust, but customers evaluate numerous additional signals before deciding to share sensitive financial information.

Beyond the Padlock : How Customers Really Evalu...

SSL Certificates from established providers like Trustico® form the foundation of payment security trust, but customers evaluate numerous additional signals before deciding to share sensitive financial information.

Understanding Multi-Factor Authentication and Two-Factor Authentication

Understanding Multi-Factor Authentication and T...

Multi-Factor Authentication requires users to provide two or more verification factors to gain access to resources, combining something they know, something they have, and something they are.

Understanding Multi-Factor Authentication and T...

Multi-Factor Authentication requires users to provide two or more verification factors to gain access to resources, combining something they know, something they have, and something they are.

Why Do Major Data Breaches Happen to Companies with SSL Certificates?

Why Do Major Data Breaches Happen to Companies ...

Organizations suffering breaches despite having SSL Certificates typically failed in other security domains, or implemented SSL Certificates incorrectly, creating vulnerabilities that attackers leveraged for unauthorized access.

Why Do Major Data Breaches Happen to Companies ...

Organizations suffering breaches despite having SSL Certificates typically failed in other security domains, or implemented SSL Certificates incorrectly, creating vulnerabilities that attackers leveraged for unauthorized access.

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