I requested this feature from the current maintainer of sshuttle ... I think I referred to it as "failsafe" mode, meaning that if sshuttle crashes or has not ye

I requested this feature from the current maintainer of sshuttle ... I think I referred to it as "failsafe" mode, meaning that if sshuttle crashes or has not yet started, the default firewall rules that it installed allow no traffic to flow. Not sure if it's been acted on.