Secure tunnel daemon that encrypts traffic between two endpoints
Secure pipe daemon
spiped$ spiped -e -s [127.0.0.1]:8025 -t [127.0.0.1]:25 -k /path/to/keyfile$ spiped -d -s [127.0.0.1]:9999 -t [server.example.com]:8025 -k /path/to/keyfile$ dd if=/dev/urandom of=/tmp/spiped.key bs=32 count=1