annotate mod_pubsub_serverinfo/README.markdown @ 5882:563c2c70cb9f

mod_sasl2_fast: Improve handling when SASL profile unexpectedly lacks CB This fixes a traceback reported by riau, but likely does not solve the underlying cause, whatever that is.
author Matthew Wild <mwild1@gmail.com>
date Tue, 16 Apr 2024 10:42:25 +0100
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2 labels:
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3 - 'Statistics'
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4 ...
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6 Exposes server information over Pub/Sub per [XEP-0485: PubSub Server Information](https://xmpp.org/extensions/xep-0485.html).
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8 The module announces support (used to 'opt-in', per the XEP) and publishes the name of the local domain via a Pub/Sub node. The published data
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9 will contain a 'remote-domain' element for inbound and outgoing s2s connections. These elements will be named only when the remote domain announces
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10 support ('opts in') too.
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12 **Known issues:**
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14 - [Issue #1841](https://issues.prosody.im/1841): This module conflicts with mod_server_contact_info (both will run, but it may affect the ability of some implementations to read the server/contact information provided).
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16 Installation
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17 ============
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19 Enable this module in the global or a virtual host.
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21 The default configuration requires the existence of a Pub/Sub component that uses the 'pubsub' subdomain of the host in which the module is enabled:
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23 Component "pubsub.example.org" "pubsub"
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25 The module will create a node and publish data, using a JID that matches the XMPP domain name of the host. Ensure that this actor is an admin of the
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26 Pub/Sub service:
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28 admins = { "example.org" }
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30 Configuration
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31 =============
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33 The Pub/Sub service on which data is published, by default, is a component addressed as the `pubsub` subdomain of the domain of the virtual host that
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34 the module is loaded under. To change this, apply this configuration setting:
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36 pubsub_serverinfo_service = "anotherpubsub.example.org"
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38 The Pub/Sub node on which data is published is, by default, a leaf-node named `serverinfo`. To change this, apply this configuration setting:
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40 pubsub_serverinfo_node = "foobar"
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42 To prevent a surplus of event notifications, this module will only publish new data after a certain period of time has expired. The default duration
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43 is 300 seconds (5 minutes). To change this simply put in the config:
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45 pubsub_serverinfo_publication_interval = 180 -- or any other number of seconds
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47 To detect if remote domains allow their domain name to be included in the data that this module publishes, this module will perform a service
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48 discovery request to each remote domain. To prevent a continuous flood of disco/info requests, the response to these requests is cached. By default,
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49 a cached value will remain in cache for one hour. This duration can be modified by adding this configuration option:
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51 pubsub_serverinfo_cache_ttl = 1800 -- or any other number of seconds
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53 Compatibility
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54 =============
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56 Incompatible with 0.11 or lower.
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58 Known Issues / TODOs
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59 ====================
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61 The reported data does not contain the optional 'connection' child elements. These can be used to describe the direction of a connection.
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63 More generic server information (eg: user counts, software version) should be included in the data that is published.