mod_sasl2_fast: Improve handling when SASL profile unexpectedly lacks CB
This fixes a traceback reported by riau, but likely does not solve the
underlying cause, whatever that is.
---
labels:
- Statistics
summary: Collect statistics on user registration
---
Description
===========
This module measures the rate at which users register on the server (through
providers like `mod_register_ibr` or `mod_register_web`).