SFTP-SERVER(8) MidnightBSD System Manager’s Manual SFTP-SERVER(8)


sftp-server — SFTP server subsystem


sftp-server [−f log_facility] [−l log_level]


sftp-server is a program that speaks the server side of SFTP protocol to stdout and expects client requests from stdin. sftp-server is not intended to be called directly, but from sshd(8) using the Subsystem option.

Command-line flags to sftp-server should be specified in the Subsystem declaration. See sshd_config(5) for more information.

Valid options are:

−f log_facility

Specifies the facility code that is used when logging messages from sftp-server. The possible values are: DAEMON, USER, AUTH, LOCAL0, LOCAL1, LOCAL2, LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7. The default is AUTH.

−l log_level

Specifies which messages will be logged by sftp-server. The possible values are: QUIET, FATAL, ERROR, INFO, VERBOSE, DEBUG, DEBUG1, DEBUG2, and DEBUG3. INFO and VERBOSE log transactions that sftp-server 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)

T. Ylonen


S. Lehtinen ,
SSH File Transfer Protocol
draft-ietf-secsh-filexfer-00.txt ,
January 2001 ,
work in progress material .


sftp-server first appeared in OpenBSD 2.8.


Markus Friedl 〈markus@openbsd.org〉

MidnightBSD 0.3 April 11, 2009 MidnightBSD 0.3