mod_compat_roles: Fix attempt to index a nil value #1847
permissions[] is not a map with role names as keys since 817bc9873fc2
but instead a level with host names were added. This was likely an
oversight.
Refactored towards railroad.
---
summary: Block s2s connections based on admin blocklists
...
This module uses the blocklists set by admins for blocking s2s
connections.
So if an admin blocks a bare domain using [Blocking Command][xep191]
via [mod\_blocklist][doc:modules:mod_blocklist] then no s2s connections
will be allowed to or from that domain.
# Configuring
## Prosody 0.12
Starting with Prosody 0.12, the role or roles that determine whether a
particular users blocklist is used can be configured:
```lua
-- This is the default:
admin_blocklist_roles = { "prosody:operator", "prosody:admin" }
```
## Prosody 0.11
In Prosody 0.11 the [`admins`][doc:admins] setting is used.