The "ssl-config" command:

Usage: fossil ssl-config [SUBCOMMAND] [OPTIONS...] [ARGS...]

This command is used to view or modify the TLS (Transport Layer Security) configuration for Fossil. TLS (formerly SSL) is the encryption technology used for secure HTTPS transport.

Sub-commands:

remove-exception DOMAINS

Remove TLS cert exceptions for the domains listed. Or remove them all if the --all option is specified.

scrub ?--force?

Remove all SSL configuration data from the repository. Use --force to omit the confirmation.

show ?-v?

Show the TLS configuration. Add -v to see additional explaination