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.

This module adds a `portcheck` command to the [shell][doc:console]
intended for use with health checks, i.e. to check whether Prosody is
listening to all expected ports.

# Usage

After installing and enabling the module a command like this becomes
available:

``` bash
prosodyctl shell "portcheck [::]:5222 *:5222 [::]:5269 *:5269"
```

This would check if the c2s (`5222`) and s2s (`5269`) ports are
available on both IPv6 (`*`) and *Legacy IP*^[often referred to as IPv4].

# Compatibility

Compatible with Prosody **trunk**, will **not** work with 0.11.x or
earlier.