Coming up on the expiry of my OpenVPN certificate for my Grandstream handsets and would like to automate the cert renewal rollout. The last time I had the cert expire, I had to login to each handset and upload them. Now, there is a way to enter a URL in the basefile with the location of the OpenVPN cert.
How should I do this? I have a hosted FreePBX instance on Vultr with handsets connecting from multiple locations. What is a safe way to share the folder containing the certs so I can point the Grandstream handsets to it?