Limitations

SecureTransport has the following limitations for server‑initiated transfers:

  • SecureTransport Server supports server-initiated transfers over HTTP only to remote sites running on another SecureTransport Server.
  • Server-initiated transfers over FTPS from a streaming configuration with SecureTransport Edge to remote sites support only passive connection mode.
  • When performing server-initiated uploads using the SSH protocol SecureTransport cannot always identify the remote operating system when the remote SSH server has version 3 or less.
  • For ASCII mode SSH transfers, if the remote SSH server supports the newline (newline@vandyke.com) extension, SecureTransport correctly converts the end-of-line characters of the file.
  • If the remote SSH server does not support the newline extension, SecureTransport can be configured to convert the end-of-line characters during server-initiated uploads based on the value of server configuration parameters. If the value of the Ssh.EndOfLineConversion.enabled server configuration parameter is true, SecureTransport uses the value of the Ssh.EndOfLineConversion.type server configuration parameter as the end-of-line sequence. Valid values are: 0x0A (LF), 0x0D (CR), and 0x0D0A (CRLF). By default, the value of Ssh.EndOfLineConversion.enabled is false and the value of Ssh.EndOfLineConversion.type is 0x0D0A.
  • Whether or not the remote SSH server supports the newline extension, the remote server sees these transfers as BINARY mode.
  • In all other cases of ASCII mode SSH server-initiated uploads and downloads, SecureTransport cannot identify the correct end-of-line characters to use. SecureTransport performs these transfers in BINARY mode and indicates this on the File Tracking page.
  • The name of a file processed by a Folder Monitor transfer site cannot contain two or more of the following characters in sequence: < > | : ? " * / \ % [ ] ~ (at the beginning of the file only).

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