The BioProject/BioSample/DRA/GEA systems have been migrated to new supercomputer at 28th September 2021.
Due to this migration, access to ftp-private.ddbj.nig.ac.jp may be blocked by the remote host key identification warning.
Please see the following FAQ regarding how to resolve the warning.
FAQ: Access to the ftp-private is blocked by the remote host key identification warning