Data in and out of the system may be transferred by the [scp](http://en.wikipedia.org/wiki/Secure_copy) and sftp protocols. (Not available yet.) In case large volumes of data are transferred, use dedicated data mover node dm1.anselm.it4i.cz for increased performance.
Data in and out of the system may be transferred by the [scp](http://en.wikipedia.org/wiki/Secure_copy).
| Address | Port | Protocol |
| --------------------- | ---- | --------- |
| anselm.it4i.cz | 22 | scp, sftp |
| login1.anselm.it4i.cz | 22 | scp, sftp |
| login2.anselm.it4i.cz | 22 | scp, sftp |
| dm1.anselm.it4i.cz | 22 | scp, sftp |
| anselm.it4i.cz | 22 | scp |
| login1.anselm.it4i.cz | 22 | scp |
| login2.anselm.it4i.cz | 22 | scp |
The authentication is by the [private key](../general/accessing-the-clusters/shell-access-and-data-transfer/ssh-keys/)