SCP is based on the RCP (Remote Copy) command (part of BSD 's r-commands) which was originally used when BSD came to prominence in the mid 1980's. The default TCP port used for SCP file transfer ...

You’re ready to go. SEE: Securing Linux policy (Tech Pro Research) Using SCP with your key Now that our keys are in all the right places, let’s see how we can use them through SCP.