Package pt implements the Tor pluggable transports specification. Sample client usage: Sample server usage: Some additional care is needed to handle SIGINT and shutdown properly. See the example programs dummy-client and dummy-server. Tor pluggable transports specification: https://gitweb.torproject.org/torspec.git/tree/pt-spec.txt. Extended ORPort: https://gitweb.torproject.org/torspec.git/tree/proposals/196-transport-control-ports.txt. Extended ORPort Authentication: https://gitweb.torproject.org/torspec.git/tree/proposals/217-ext-orport-auth.txt. The package implements a SOCKS4a server sufficient for a Tor client transport plugin. http://ftp.icm.edu.pl/packages/socks/socks4/SOCKS4.protocol