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...an rsync server on the target and use an ssh tunnel to reach the rsync sever Installing the rsync server is beyond the scope of this document, but again it's just a google away. Once your rsync server is up and running you build an ssh tunnel through you firewall like: you~$ ssh -N -l userid_on_firewall -L 873:target:873 firewall What this does is connects to the firewall, and directs port 873 on "you" through the ssh tunnel, and out the other end at port 873 on the target. Now when rsync is executed, which talks on port 873, the conversation is directed to the target. In another wi...