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mod_block_registrations: Support blocking confusable usernames (UTS 39) This prevents registering e.g. "admin" but with a Cyrillic 'a' U+0430 and other such variations, including keming like "adrnin".
author Kim Alvefur <zash@zash.se>
date Sat, 06 Sep 2025 21:02:26 +0200
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---
labels:
- 'Stage-Alpha'
summary: Generate tracebacks on-demand
---

# Introduction

This module writes out a traceback to a file when a chosen signal (by default
`SIGUSR1`) is received. It can be useful to diagnose cases where Prosody is
unresponsive.

# Configuration

`debug_traceback_filename`
:   The name of the file to write the traceback to. Some variables
    are supported, see [mod_log_ringbuffer] docs for more info. Defaults
    to `{paths.data}/traceback-{pid}-{count}.log`.

`debug_traceback_signal`
:   The name of the signal to listen for. Defaults to `SIGUSR1`.

# Compatibility

Prosody 0.12 or later.