Allows use of the same port for both a SSH server and SSL (https) server, without needing changes to clients. Incoming connections will be proxied to a SSH or SSL server depending on the protocol spoken by the client. Handy if your home box runs a secure
JWall is not just a java gui for iptables. JWall is a multi firewall management client. A secure rulebase can be built with graphical objects. Rulesets can be pushed to remote firewalls (via ssh). The remote firewall just needs to be Linux with sshd