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mod_sift/README.md @ 6120:bd3ff802d883

mod_anti_spam: Fix another traceback for origin sessions without an IP This is likely to be the case for stanzas originating from local hosts, for example (so not true s2s). It should be safe to bypass the IP check for those.
author Matthew Wild <mwild1@gmail.com>
date Sat, 28 Dec 2024 21:02:08 +0000
parent 6003:fe081789f7b5
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---
labels:
- 'Stage-Alpha'
summary: 'XEP-0273: Stanza Interception and Filtering Technology'
...

Introduction
============

[SIFT][XEP-0273] is a technology to allow clients to filter incoming
traffic on the server. This helps save bandwidth, etc.

Compatibility
=============

  ----- -------
  0.7   Works
  ----- -------

Quirks
======

This implementation is a work in progress.

-   Stanzas to full JIDs get sifted correctly
-   Stanzas to bare JIDs are currently allowed/disallowed for all
    resources as a whole, and not for individual resources
-   Presence is only sent to available resources, and probes are not
    sent for unavailable reasources
-   This module currently does not interact with offline messages
    (filtered messages are dropped with an error reply)
-   Not tested with privacy lists