Another way, if you have SSH:

rsync -aE -e ssh directory user@hostB:target_dir

or from hostB

rsync -aE -e ssh user@hostA:directory target_dir

You can also use the z (--compress) switch to rsync if network throughput is an issue.

http://hintsforums.macworld.com/showthread.php?t=52649

Command to transfer files between servers using the command line.

transfer files via ssh

command, file, line, ssh

Bash