@amckenzie wrote:
Hello all,
Deploying FreePBX 14 on a VPS.
Will have roughly 200 Polycom VVX 201/310/410 phones registered. Some will be in our offices located throughout the state, some will be in employees home offices. We will be using the commercial EPM module for provisioning.
With a previous, smaller cloud deployment I set up the Sangoma Smart firewall and set the whitelist for ADMIN/UCP/SIP Registrations to either static IP's or dynamic DNS hostnames. I'm unable to do that this time due to so many dynamic IP addresses registering. Can't handout dynamic DNS hosts to everyone.
I figured if I set the Sangoma Smart Firewall up with strict rules, minimum password attempts and long fail2ban jail times, this should be sufficient.
Any further tips for locking the system down? Any special precautions for using the EPM in a cloud environment? I've only deployed it in on-premises situations.
Any guidance is greatly appreciated! Thanks!
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