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annotate mod_muc_ban_ip/README.markdown @ 5648:c217f4edfc4f

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misc/mtail: Start of an mtail config Stashing it here in case anyone wants to continue working on it. Currently it's only counting log messages by level. Due to the permissions set by systemd on Prosody logs, mtail never managed to start correctly until permissions were manually relaxed.
author Kim Alvefur <zash@zash.se>
date Sun, 17 Sep 2023 13:36:30 +0200
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children
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1 ---
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2 labels:
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3 - 'Stage-Alpha'
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4 summary: Ban users from chatrooms by their IP address
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5 ...
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6
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7 Introduction
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8 ============
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9
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10 One frequent complaint about XMPP chatrooms (MUCs) compared to IRC is
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11 the inability for a room admin to ban a user based on their IP address.
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12 This is because an XMPP user is not identified on the network by their
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13 IP address, only their JID.
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15 This means that it is possible to create a new account (usually quite
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16 easily), and rejoin the room that you were banned from.
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17
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18 This module allows the **user's** server to enforce bans by IP address,
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19 which is very desirable for server admins who want to prevent their
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20 server being used for spamming and abusive behaviour.
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22 Details
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23 =======
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24
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25 An important point to note is that this module enforces the IP ban on
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26 the banned user's server, not on the MUC server. This means that:
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28 - The user's server MUST have this module loaded, however -
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29 - The module works even when the MUC is on a different server to the
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30 user
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31 - The MUC server does not need this module (it only needs to support
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32 the [standard ban
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33 protocol](http://xmpp.org/extensions/xep-0045.html#ban))
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34 - The module works for effectively banning [anonymous
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35 users](http://prosody.im/doc/anonymous_logins)
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37 Also note that IP bans are not saved permanently, and are reset upon a
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38 server restart.
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40 Configuration
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41 =============
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43 There is no extra configuration for this module except for loading it.
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44 Remember... do not load it on the MUC host, simply add it to your global
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45 `modules_enabled` list, or under a specific host like:
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46
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47 ``` lua
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48 VirtualHost "anon.example.com"
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49 authentication = "anonymous"
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50 modules_enabled = { "muc_ban_ip" }
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51 ```
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53 Compatibility
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54 =============
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56 ----- --------------
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57 0.9 Works
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58 0.8 Doesn't work
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59 ----- --------------