Choose a save location and name the file (e.g., burp_cert.der ). You must manually type the .der extension. Click Next to finish the export. 2. Installing the Certificate in Your Browser For Mozilla Firefox
In the section, click the Import / export CA certificate button. Select Certificate in DER format and click Next .
There are two primary ways to download your unique CA certificate from Burp Suite. Option A: Using your Browser (Easiest) Launch Burp Suite and ensure the is running.
In your browser's address bar, navigate to: http://burpsuite . Click the link in the top-right corner. The file, named cacert.der , will download to your computer. Option B: Exporting Directly from Burp Suite Open Burp Suite and go to the Proxy tab. Select Proxy Settings (or Options in older versions).
How to Download and Install Burp Suite CA Certificate (cacert.der)