Knowledge Base

Overview: 

This guide provides the step‑by‑step process for importing a Certificate Authority (CA), installing a server SSL certificate, and binding it to the pfSense WebGUI for secure HTTPS access. 

Audience: 

Network administrators, security engineers, and IT professionals managing pfSense firewalls. 

Scope: 

This document covers the full certificate installation workflow, including CA import, certificate installation, and SSL binding within the pfSense interface using the official pfSense documentation as reference. 

Prerequisites 

Before you begin, ensure you have the following: 

Procedure to Install and Bind an SSL Certificate on pfSense 

pfSense manages certificates through System → Certificates, where you can create, import, and assign certificates. The general process is: 

Below are the detailed steps. 

If your certificate authority (CA) sent you a CA Bundle: 

2. Install the Primary / Server Certificate 

If you generated the CSR in pfSense 

(You will see an entry for it already.) 

If you generated the CSR elsewhere (OpenSSL, IIS, etc.) 

3. Binding the SSL Certificate to pfSense WebGUI (HTTPS) 

Once the certificate is installed, assign it to the GUI: 

4. Verify SSL is Working