The recommended method for locking down Vicidial is to allow only whitelisted ip addresses access through the firewall.
However, the call center I contract for has a lot of "at home" agents with dynamic IP addresses. Updating the whitelist manually became a difficult task as more agents with dynamic IP addresses came online. They needed a way to automate the process of updating the whitelist on the pfSense firewall in real time. I investigated several options, and decided that creating my own solution was the best route.
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