Mercurial > prosody-modules
view mod_compat_dialback/README.markdown @ 5461:06640647d193
mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Per draft-ietf-oauth-v2-1-08#section-8.4.2
> The authorization server MUST allow any port to be specified at the
> time of the request for loopback IP redirect URIs, to accommodate
> clients that obtain an available ephemeral port from the operating
> system at the time of the request.
Uncertain if it should normalize the host part, but it also seems
harmless to treat IPv6 and IPv4 the same here.
One thing is that "localhost" is NOT RECOMMENDED because it can
sometimes be pointed to non-loopback interfaces via DNS or hosts file.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Wed, 17 May 2023 13:51:30 +0200 |
| parents | 41ebdb331b94 |
| children |
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--- summary: Workaround for Dialback with some servers that violate RFC 6120 ... This module provides a workaround for servers that do not set the `to` attribute on stream headers, which is required per [RFC6120]: > ## 4.7.2. to > > For initial stream headers in both client-to-server and > server-to-server communication, the initiating entity MUST include the > 'to' attribute and MUST set its value to a domainpart that the > initiating entity knows or expects the receiving entity to service. As a side effect of [this issue](https://prosody.im/issues/issue/285), Prosody 0.10 will be unable to do [Dialback][xep220] with servers that don't follow this. # Known servers affected * Openfire 3.10.2 (and probably earlier versions)