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    How to Harden an XMPP Server: A Practical Step-by-Step Guide
    May 19, 2026
    xmpp security

    How to Harden an XMPP Server: A Practical Step-by-Step Guide

    A practical guide to securing a self-hosted XMPP server, covering OS hardening, firewall rules, TLS configuration, ejabberd settings, and PostgreSQL security.

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    v2.0 · 2026 · Updated: May 20, 2026