It is possible to have more bytes in the buffer that has the maximum configuration buffer: 2147483647.

[kenkendk]

Yes, we have recently launched a hosted monitoring portal:

Introducing the Duplicati Portal: Your New Hub for Cloud-Based Backup Monitoring and Management

We’re excited to announce the launch of a our first commercial feature designed to make it easier to setup and manage your Duplicati backups: the Duplicati Portal. app.duplicati.com Our goal is to make it as easy as possible to monitor and manage for your Duplicati backups particularly for people backing up multiple customers, production databases, and critical business data. What is the Duplicati Portal? The Duplicati Portal is a centralized, cloud-based solution that allows you to monitor a…

Other solutions could be the dupReport tool or duplicati-monitoring.com.