Release Notes: A fix for a race condition, a new validate_data_connection configuration variable, some other sanity/security checks, and a new ability to specifiy configuration variables on the commandline.
Release Notes: This release has been rewritten and restructured. The proxy can now also communicate with the server in passive mode. It is now possible to specify which ports the proxy should choose for the data connection.
Release Notes: Several new features such as IP-based access control based on both origin and destination, and the ability to act as a transparent proxy for a host (e.g., on an internal network).
Release Notes: A major bugfix and support for connecting on non-standard ports.