1 .\" $OpenBSD: sftp-server.8,v 1.21 2013/01/04 19:26:38 jmc Exp $
3 .\" Copyright (c) 2000 Markus Friedl. All rights reserved.
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25 .Dd $Mdocdate: January 4 2013 $
30 .Nd SFTP server subsystem
34 .Op Fl d Ar start_directory
35 .Op Fl f Ar log_facility
40 is a program that speaks the server side of SFTP protocol
41 to stdout and expects client requests from stdin.
43 is not intended to be called directly, but from
51 should be specified in the
60 .It Fl d Ar start_directory
61 specifies an alternate starting directory for users.
62 The pathname may contain the following tokens that are expanded at runtime:
63 %% is replaced by a literal '%',
64 %h is replaced by the home directory of the user being authenticated,
65 and %u is replaced by the username of that user.
66 The default is to use the user's home directory.
67 This option is useful in conjunction with the
74 to print logging information to stderr instead of syslog for debugging.
75 .It Fl f Ar log_facility
76 Specifies the facility code that is used when logging messages from
78 The possible values are: DAEMON, USER, AUTH, LOCAL0, LOCAL1, LOCAL2,
79 LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7.
86 Specifies which messages will be logged by
88 The possible values are:
89 QUIET, FATAL, ERROR, INFO, VERBOSE, DEBUG, DEBUG1, DEBUG2, and DEBUG3.
90 INFO and VERBOSE log transactions that
92 performs on behalf of the client.
93 DEBUG and DEBUG1 are equivalent.
94 DEBUG2 and DEBUG3 each specify higher levels of debugging output.
97 Places this instance of
99 into a read-only mode.
100 Attempts to open files for writing, as well as other operations that change
101 the state of the filesystem, will be denied.
105 to be applied to newly-created files and directories, instead of the
111 must be able to access
115 in a chroot configuration therefore requires that
117 establish a logging socket inside the chroot directory.
126 .%T "SSH File Transfer Protocol"
127 .%N draft-ietf-secsh-filexfer-00.txt
129 .%O work in progress material
136 .An Markus Friedl Aq markus@openbsd.org