X-Git-Url: http://andersk.mit.edu/gitweb/gssapi-openssh.git/blobdiff_plain/c7931c9aedd8e12fdd0df715dcefce0e0c95be6a..699b5bd687b2564532db9bfc36049045ed79f5ad:/openssh/sshd_config.5

diff --git a/openssh/sshd_config.5 b/openssh/sshd_config.5
index 0602495..af16ebc 100644
--- a/openssh/sshd_config.5
+++ b/openssh/sshd_config.5
@@ -34,8 +34,8 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\" $OpenBSD: sshd_config.5,v 1.102 2009/02/22 23:59:25 djm Exp $
-.Dd $Mdocdate: February 22 2009 $
+.\" $OpenBSD: sshd_config.5,v 1.106 2009/04/21 15:13:17 stevesk Exp $
+.Dd $Mdocdate: April 21 2009 $
 .Dt SSHD_CONFIG 5
 .Os
 .Sh NAME
@@ -176,10 +176,9 @@ then no banner is displayed.
 This option is only available for protocol version 2.
 By default, no banner is displayed.
 .It Cm ChallengeResponseAuthentication
-Specifies whether challenge-response authentication is allowed.
-All authentication styles from
-.Xr login.conf 5
-are supported.
+Specifies whether challenge-response authentication is allowed (e.g. via
+PAM or though authentication styles supported in
+.Xr login.conf 5 )
 The default is
 .Dq yes .
 .It Cm ChrootDirectory
@@ -188,6 +187,9 @@ Specifies a path to
 to after authentication.
 This path, and all its components, must be root-owned directories that are
 not writable by any other user or group.
+After the chroot,
+.Xr sshd 8
+changes the working directory to the user's home directory.
 .Pp
 The path may contain the following tokens that are expanded at runtime once
 the connecting user has been authenticated: %% is replaced by a literal '%',
@@ -197,7 +199,7 @@ the connecting user has been authenticated: %% is replaced by a literal '%',
 The
 .Cm ChrootDirectory
 must contain the necessary files and directories to support the
-users' session.
+user's session.
 For an interactive session this requires at least a shell, typically
 .Xr sh 1 ,
 and basic
@@ -215,8 +217,11 @@ devices.
 For file transfer sessions using
 .Dq sftp ,
 no additional configuration of the environment is necessary if the
-in-process sftp server is used (see
-.Cm Subsystem
+in-process sftp server is used,
+though sessions which use logging do require
+.Pa /dev/log
+inside the chroot directory (see
+.Xr sftp-server 8
 for details).
 .Pp
 The default is not to
@@ -330,6 +335,16 @@ See
 in
 .Xr ssh_config 5
 for more information on patterns.
+.It Cm DisableUsageStats
+This keyword can be followed by one of the keywords "true", "enabled", "yes",
+"on" or "1" to disable reporting of usage metrics. Or it can be set to "false",
+"disabled", "no", "off", "0" to enable reporting of usage metrics, which is the
+default. Setting the
+.Cm GLOBUS_USAGE_OPTOUT
+environment variable to "1" will also disable the reporting of usage metrics.
+Disabling reporting of usage metrics will cause the
+.Cm UsageStatsTargets
+setting to be ignored.
 .It Cm ForceCommand
 Forces the execution of the command specified by
 .Cm ForceCommand ,
@@ -920,6 +935,111 @@ This avoids infinitely hanging sessions.
 .Pp
 To disable TCP keepalive messages, the value should be set to
 .Dq no .
+.It Cm UsageStatsTargets
+This option can be used to specify the target collector hosts to which usage
+metrics should be reported. This setting will be ignored if
+.Cm DisableUsageStats
+is enabled. Multiple targets can be specified separated by comma(s), but no
+space(s). Each target specification is of the format
+.Pa host:port[!tags].
+Tags control what data elements are reported. The following list specifies
+the tags for the corresponding data elements.
+.Pp
+.Bl -item -offset indent -compact
+.It
+.Cm V
+.Sm off
+- OpenSSH version, reported by default.
+.Sm on
+.It
+.Cm v
+.Sm off
+- SSL version, reported by default.
+.Sm on
+.It
+.Cm M
+.Sm off
+- User authentication method used such as "gssapi-keyex", "gssapi-with-mic", etc. Reported by default.
+.Sm on
+.It
+.Cm m
+.Sm off
+- User authentication mechanism used such as "GSI", "Kerberos", etc. Reported by default.
+.Sm on
+.It
+.Cm I
+.Sm off
+- Client IP address. Not reported by default.
+.Sm on
+.It
+.Cm u
+.Sm off
+- User name. Not reported by default.
+.Sm on
+.It
+.Cm U
+.Sm off
+- User DN. Not reported by default.
+.Sm on
+.Pp
+In addition to the above selected information, the following data are
+reported to ALL the specified/default target collectors. There's no way to
+exclude these from being reported other than by disabling the reporting of
+usage metrics altogether:
+.Pp
+.It
+.Cm Component code
+.Sm off
+- 12 for GSI OpenSSH
+.Sm on
+.It
+.Cm Component Data Format version
+.Sm off
+- 0 currently
+.Sm on
+.It
+.Cm IP Address
+.Sm off
+- IP address of reporting server
+.Sm on
+.It
+.Cm Timestamp
+.It
+.Cm Hostname
+.Sm off
+- Host name of reporting server
+.Sm on
+.Pp
+If no tags are specified in a host spec, or the special string "default"
+is specified, the tags VvMm are assumed. A site could choose to allow a
+different set of data to be reported by specifying a different tag set. The
+last  3  tags  I, u and U above are more meant for a local collector that a
+site might like to deploy since they could be construed as private information.
+The special string "all" denotes all tags.
+.El
+.Pp
+By default, Usage Metrics reporting is sent to
+.Dq usage-stats.cilogon.org:4810 .
+This can be made explicit by specifying
+.Dq default
+(all by itself) for the
+target specification as in:
+.Pp
+.Bl -item -offset indent -compact
+.It
+.Cm UsageStatsTargets
+.Sm off
+default
+.Sm on
+.El
+.Pp
+If
+.Cm UsageStatsTargets
+is not specified, a comma-separated list of targets
+(without any tags specified) if specified in the environment variable
+.Cm GLOBUS_USAGE_TARGETS
+will be used.
+.Pp
 .It Cm UseDNS
 Specifies whether
 .Xr sshd 8