🚀 How We Secured ARI, AMI, Prometheus & Exporters in a Live PBX Environment Modern telecom SaaS platforms are not just about call routing and dialplans. They are distributed systems handling: SIP signaling RTP media ARI call control AMI management Redis state Prometheus monitoring Node-level infrastructure metrics By default, many of these services expose ports on 0.0.0.0. That means: Anyone on the LAN (or worse — public network) can access your control and monitoring plane. That is unacceptable in a production PBX environment. So we hardened the entire monitoring + control stack. 🎯 The Initial Exposure (Default State) Running: ss -lntp | egrep '9090|9100|8088|5038|6379' Revealed: 🔴 Prometheus (9090) – exposed 🔴 Node Exporter (9100) – exposed 🔴 ARI (8088) – exposed 🔴 AMI (5038) – exposed 🟢 Redis (6379) – already localhost -only This means: Anyone could access /classic/alerts Anyone could scrape system metrics Anyone could attempt ARI/AMI brute-force Anyone could q...