1.\" $OpenBSD: sftp-server.8,v 1.15 2009/03/26 08:38:39 sobrado Exp $ 2.\" $FreeBSD$ 3.\" 4.\" Copyright (c) 2000 Markus Friedl. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" 26.Dd March 26 2009 27.Dt SFTP-SERVER 8 28.Os 29.Sh NAME 30.Nm sftp-server 31.Nd SFTP server subsystem 32.Sh SYNOPSIS 33.Nm sftp-server 34.Op Fl f Ar log_facility 35.Op Fl l Ar log_level 36.Sh DESCRIPTION 37.Nm 38is a program that speaks the server side of SFTP protocol 39to stdout and expects client requests from stdin. 40.Nm 41is not intended to be called directly, but from 42.Xr sshd 8 43using the 44.Cm Subsystem 45option. 46.Pp 47Command-line flags to 48.Nm 49should be specified in the 50.Cm Subsystem 51declaration. 52See 53.Xr sshd_config 5 54for more information. 55.Pp 56Valid options are: 57.Bl -tag -width Ds 58.It Fl f Ar log_facility 59Specifies the facility code that is used when logging messages from 60.Nm . 61The possible values are: DAEMON, USER, AUTH, LOCAL0, LOCAL1, LOCAL2, 62LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7. 63The default is AUTH. 64.It Fl l Ar log_level 65Specifies which messages will be logged by 66.Nm . 67The possible values are: 68QUIET, FATAL, ERROR, INFO, VERBOSE, DEBUG, DEBUG1, DEBUG2, and DEBUG3. 69INFO and VERBOSE log transactions that 70.Nm 71performs on behalf of the client. 72DEBUG and DEBUG1 are equivalent. 73DEBUG2 and DEBUG3 each specify higher levels of debugging output. 74The default is ERROR. 75.El 76.Pp 77For logging to work, 78.Nm 79must be able to access 80.Pa /dev/log . 81Use of 82.Nm 83in a chroot configuration therefore requires that 84.Xr syslogd 8 85establish a logging socket inside the chroot directory. 86.Sh SEE ALSO 87.Xr sftp 1 , 88.Xr ssh 1 , 89.Xr sshd_config 5 , 90.Xr sshd 8 91.Rs 92.%A T. Ylonen 93.%A S. Lehtinen 94.%T "SSH File Transfer Protocol" 95.%N draft-ietf-secsh-filexfer-00.txt 96.%D January 2001 97.%O work in progress material 98.Re 99.Sh HISTORY 100.Nm 101first appeared in 102.Ox 2.8 . 103.Sh AUTHORS 104.An Markus Friedl Aq markus@openbsd.org 105