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