SFTP ingestion is disabled
SFTP authentication failed the global ingest gate. The internal auth route returns 503 with this short message when isGlobalSftpIngestAllowed() is false.
Why this happens
One or more site-wide requirements failed: SFTP plugin, SFTP mod, site ingest setting, env kill-switch, or no server with ingest enabled. Checked early on the auth path — before treating it as a normal password failure.
Diagnose and fix
1. Mods → SFTP (toggle.sftp_mod) on; SFTP plugin licensed.
2. Env: SFTP_INGEST_ENABLED=true; do not set SFTP_INGEST_DISABLED. Site setting sftp_ingest_site_enabled not "false".
3. Servers → [node] → SFTP ingest — enable on at least one online server (see also No storage server has SFTP ingest).
4. Retry SFTP login after saving.