Adilson Magnus
Commercial Support

Hey there, our support is exclusive via Telegram, click on the bellow icon and start chat now.

Mon-Fri: 9:00–19:00 (GMT-03:00)

 

How to Harden MagnusBilling on Debian – Complete VoIP Security Guide

🔐 How to Harden MagnusBilling on Debian – Full VoIP Security Guide

Exposing a VoIP server directly to the internet without proper hardening will result in constant attacks, brute force, SIP scans, and fraudulent calls.

True security is not just about software — it’s about how you configure your system. This step-by-step guide shows you how to lock down your MagnusBilling + Asterisk installation in Debian.

When configuring email sending in MagnusBilling, the most common cause of “freezing” or failed messages is not MagnusBilling itself, but a connectivity issue between your server and the external SMTP provider. To save time, test the SMTP connection before registering the credentials inside MagnusBilling. This guide shows step-by-step tests you can run directly on your server.