Manual Reference Pages  - SFTP-SERVER (8)

NAME

sftp-server - SFTP server subsystem

CONTENTS

Synopsis
Description
See Also
History
Authors

SYNOPSIS

sftp-server [-ehR] [-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:
-e Causes sftp-server to print logging information to stderr instead of syslog for debugging.
-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.
-h Displays sftp-server usage information.
-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.
-R Places this instance of sftp-server into a read-only mode. Attempts to open files for writing, as well as other operations that change the state of the filesystem, will be denied.
-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)
.Rs SSH File Transfer Protocol
.Re

HISTORY

sftp-server first appeared in
.Ox 2.8 .

AUTHORS


.An Markus Friedl Aq markus@openbsd.org


$Mdocdate: January 9 2010 $ SFTP-SERVER (8)
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