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is a program that speaks the server side of SFTP protocol to stdout and expects client requests from stdin. is not intended to be called directly, but from sshd(8) using the option.
Command-line flags to should be specified in the declaration. See sshd_config(5) for more information.
Valid options are:
  • log_facility Specifies the facility code that is used when logging messages from The possible values are: DAEMON, USER, AUTH, LOCAL0, LOCAL1, LOCAL2, LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7. The default is AUTH.
  • log_level Specifies which messages will be logged by The possible values are: SILENT, QUIET, FATAL, ERROR, INFO, VERBOSE, DEBUG, DEBUG1, DEBUG2, and DEBUG3. INFO and VERBOSE log transactions that performs on behalf of the client. DEBUG and DEBUG1 are equivalent. DEBUG2 and DEBUG3 each specify higher levels of debugging output. The default is ERROR.


sftp(1) ssh(1) sshd_config(5) sshd(8) .%A T. Ylonen .%A S. Lehtinen .%T "SSH File Transfer Protocol" .%N draft-ietf-secsh-filexfer-00.txt .%D January 2001 .%O work in progress material


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