While it is acceptable to utilize the login nodes of Koa to facilitate your data transfers that are not based on Globus, a dedicated Data Transfer Node for other protocols is also available here: koa-dtn.its.hawaii.edu
If you plan to use any SSH based transfer tools (scp, rsync. sftp) to connect to either the Login nodes or DTNs of Mana, please read the following link regarding steps that you may need to take in order to prevent locking your UH user account due to failed DUO attempts.