The "tls-config" command:
Usage: fossil tls-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: show Show the TLS configuration remove-exception DOMAIN... Remove TLS cert exceptions for the domains listed. Or if the --all option is specified, remove all TLS cert exceptions.