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SFTP-SERVER(8) OpenBSD System Manager's Manual SFTP-SERVER(8)
NAME
sftp-server - SFTP server subsystem
SYNOPSIS
sftp-server [-f log_facility] [-l log_level]
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 in-
tended to be called directly, but from sshd(8) using the Subsystem op-
tion.
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 pos-
sible values are: QUIET, FATAL, ERROR, INFO, VERBOSE, DEBUG, DE-
BUG1, 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.
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 progress material.
HISTORY
sftp-server first appeared in OpenBSD 2.8.
AUTHORS
Markus Friedl <markus@openbsd.org>
OpenBSD 4.6 March 26, 2009 1
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