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annotate mod_block_registrations/README.md @ 6343:ee2ebdec1fae

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mod_s2s_cache_failures: New module to cache failures to remote domains and control retries
author Matthew Wild <mwild1@gmail.com>
date Thu, 16 Oct 2025 19:08:20 +0100
parents f110bce35630
children a1df76ba4f68
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1 Introduction
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2 ============
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3
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4 On a server with public registration it is usually desirable to prevent
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5 registration of certain "reserved" accounts, such as "admin".
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7 This plugin allows you to reserve individual usernames, or those
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8 matching certain patterns. It also allows you to ensure that usernames
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9 conform to a certain pattern.
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11 Configuration
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12 =============
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13
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14 Enable the module as any other:
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16 modules_enabled = {
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17 "block_registrations";
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18 }
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19
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20 You can then set some options to configure your desired policy:
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21
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22 Option Default Description
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23 ------------------------------ ------------------- -----------------------------------------------------------------------------------------------------------------------------------------------
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24 block_registrations_users *See source code* A list of reserved usernames
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25 block_registrations_matching `{ }` A list of [Lua patterns](http://www.lua.org/manual/5.1/manual.html#5.4.1) matching reserved usernames (slower than block_registrations_users)
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26 block_registrations_require `nil` A pattern that registered user accounts MUST match to be allowed
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27 block_registrations_confusable `true` Block usernames that look similar to the reserved usernames (requires Prosody be built with ICU)
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28
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29 Some examples:
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30
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31 block_registrations_users = { "admin", "root", "xmpp" }
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32 block_registrations_matching = {
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33 "master$" -- matches anything ending with master: postmaster, hostmaster, webmaster, etc.
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34 }
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35 block_registrations_require = "^[a-zA-Z0-9_.-]+$" -- Allow only simple ASCII characters in usernames
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37 Compatibility
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38 =============
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39
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40 ------ -------
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41 13.0 Should work (please test)
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42 0.12 Works
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43 ------ -------