An SSH service that provides secure and encrypted connections to traditionally non-encrypted services, such as e-mail or news. SSH port forwarding allows you to establish a secure SSH session and then tunnel TCP connections through it. It works by opening a connection to forward a local port to a remote port over SSH. The client software (e.g. your e-mail client) is then set to connect to the local port. With SSH port forwarding passwords are sent over an encrypted connection. Also called SSH tunneling.
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