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mod_http_oauth2: Do not enforce PKCE on Device and OOB flows PKCE does not appear to be used with the Device flow. I have found no mention of any interaction between those standards. Since no data is delivered via redirects in these cases, PKCE may not serve any purpose. This is mostly a problem because we reuse the authorization code to implement the Device and OOB flows.
author Kim Alvefur <zash@zash.se>
date Fri, 15 Dec 2023 12:10:07 +0100
parents 3a7349aa95c7
children 61bee1be6db3
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---
labels:
- 'Stage-Alpha'
summary: 'XEP-0474: SASL SCRAM Downgrade Protection'
...

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

This module implements the experimental XEP-0474: SASL SCRAM Downgrade
Protection. It provides an alternative downgrade protection mechanism to
client-side pinning which is currently the most common method of downgrade
protection.

**Note:** This module implements version 0.3.0 of XEP-0474. As of 2023-12-05,
this version is not yet published on xmpp.org. Version 0.3.0 of the XEP is
implemented in Monal 6.0.1. No other clients are currently known to implement
the XEP at the time of writing.

# Configuration

There are no configuration options for this module, just load it as normal.

# Compatibility

For SASL2 (XEP-0388) clients, it is compatible with the mod_sasl2 community module.

For clients using RFC 6120 SASL, it requires Prosody trunk 33e5edbd6a4a or
later. It is not compatible with Prosody 0.12 (it will load, but simply
won't do anything) for "legacy SASL".