scp -3

-3      Copies between two remote hosts are transferred through the local host.  Without this option the data is copied directly between the two remote hosts.  Note that this option disables the progress meter.

• OpenSSH 5.6: August 23, 2010
  • Add a new -3 option to scp: Copies between two remote hosts are transferred through the local host. Without this option the data is copied directly between the two remote hosts.

Related

• OpenSSH changelog

See also

• scp, scp -3