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Simple FTP Service

Issues with our Simple FTP Service and communication to the backend

  • subsystem request failed on channel 0 when using GCS backend

    When trying to connect to you sftp service and you receive an error like subsystem request failed on channel 0 when using a GCS backend it is likely a permissions issue with your user account on your ...

  • Passive vs active FTP

    An active FTP connection means the client tells the server to connect back to its IP address and port when listing directories or transferring files. A passive FTP connection means the client connects...

  • What are the SSH Host keys?

    The SSH host keys are to identify that your connection to the server is direct and that there is no man in the middle attack (MITM attack). Our host key for the Simple FTP Service is: 2048 SHA256:vgxr...

  • Does SFTP handle symlinks for S3, Azure & GCS?

    Unlike a regular linux filesystems, cloud backends like S3, Azure blob storage and GCS don't have a native concept of symlinks so at this stage we don't support the creation of symlinks on these backe...

  • IP address change warning when using SFTP

    Because our instances run in an autoscaling cluster, and we run multiple instances for high-availability, the IP addresses you connect to can be different each connection. This causes ssh to report th...

  • 550 Not found when logging in

    After creating your service or a new user you may be experiencing a 500 not found error when first logging in: The 550 error occurs when the FTP client sends a STAT request to the server for the curre...