gsisftp-server(8) - Linux man page

Name

sftp-server - SFTP server subsystem

Synopsis

sftp-server [-f log_facility] [-l log_level] [-u umask]

Description

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.

-u umask
Sets an explicit umask(2) to be applied to newly-created files and directories, instead of the user's default mask.

For logging to work, sftp-server must be able to access /dev/log. Use of sftp-server in a chroot configuration therefore requires that syslogd(8) establish a logging socket inside the chroot directory.

See Also

sftp(1), ssh(1), sshd_config(5), sshd(8)

T. Ylonen and                       S. Lehtinen,                                      SSH File Transfer Protocol,     draft-ietf-secsh-filexfer-00.txt,                                         January 2001,                                                         work in progressmaterial.

History

sftp-server first appeared in OpenBSD 2.8.

Authors

Markus Friedl <markus@openbsd.org>

BSD April 14, 2013 BSD