rsync

rsync via tunnel
ssh -CNq firewall -L 2222:alvo:22 > /dev/null 2>&1 &
-C Requests compression
-N Do not execute a remote command.
-q Quiet mode.
rsync -azc -e 'ssh -p 2222' origem localhost:

rsync
rsync -azc origem destino:
-c, --checksum skip based on checksum, not mod-time & size
-a, --archive archive mode; same as -rlptgoD (no -H, -A)
-z, --compress compress file data during the transfer