These are binary files most of which are in the CTRL Directory and are maintained by SCFG. These feature an auto-backup system configured via Advanced Options.

The various CNF files are:

• chat.cnf: This contains the Chat Features settings from SCFG specifically the Guru, Multinode chat actions and channels, and external sysop pages. This is unused on most BBSs and may be removed from or integrated with the ircd in version 4.
• file.cnf: Contains the file library and directory configuration from File Areas and the file transfer configuration from File Options
• main.cnf: System settings and Command Shells are configrued via this file.
• msgs.cnf: Contains the message groups and sub-boards configured via Message Areas, Message Options, and Networks
• xtrn.cnf: Contains the External Programs configuration which includes events, external editors, hot-key events and doors
• node.cnf: Located in the NODE Directories, and configured via the Nodes menu, it is expected that only the node config which corresponds to the FirstNode value (usually 1) in sbbs.ini is actually used, but there may be times with some tools that a different node config file is used. Because of this, it is recommended that a sysop ensure that all node.cnf files for the same instance are configured identically.

These files were originally a text-based configuration but were converted to binary for efficiency reasons which no longer apply. For version 4, these files will be converted to a text format, most likely INI format.

The multiple node.cnf files need to be replaced by a single file which configures all the nodes for a specific instance of Synchronet. Currently, this means supporting the <base>.<host|os>.<ext> format because the assumption that the only reason to run multiple instances is that there are multiple systems is currently baked in.

• Configuration