X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/01e9e424fc8410fc4cb0de666497530267433d1c..5dec79269b347018cf9c6feb4fa8881a9b65c328:/sshd_config.5

diff --git a/sshd_config.5 b/sshd_config.5
index 21201278..b74ab5b8 100644
--- a/sshd_config.5
+++ b/sshd_config.5
@@ -34,7 +34,7 @@
 .\" (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 1.93 2008/06/10 07:12:00 jmc Exp $
+.\" $OpenBSD: sshd_config.5,v 1.115 2009/12/29 18:03:32 jmc Exp $
 .Dd $Mdocdate$
 .Dt SSHD_CONFIG 5
 .Os
@@ -176,20 +176,22 @@ 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
-Specifies a path to
+Specifies the pathname of a directory to
 .Xr chroot 2
 to after authentication.
-This path, and all its components, must be root-owned directories that are
+All components of the pathname 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 pathname may contain the following tokens that are expanded at runtime once
 the connecting user has been authenticated: %% is replaced by a literal '%',
 %h is replaced by the home directory of the user being authenticated, and
 %u is replaced by the username of that user.
@@ -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
@@ -240,9 +245,9 @@ and
 .Dq cast128-cbc .
 The default is:
 .Bd -literal -offset 3n
-aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,
-arcfour256,arcfour,aes192-cbc,aes256-cbc,aes128-ctr,
-aes192-ctr,aes256-ctr
+aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,
+aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,
+aes256-cbc,arcfour
 .Ed
 .It Cm ClientAliveCountMax
 Sets the number of client alive messages (see below) which may be
@@ -593,6 +598,7 @@ Only a subset of keywords may be used on the lines following a
 .Cm Match
 keyword.
 Available keywords are
+.Cm AllowAgentForwarding ,
 .Cm AllowTcpForwarding ,
 .Cm Banner ,
 .Cm ChrootDirectory ,
@@ -602,13 +608,17 @@ Available keywords are
 .Cm HostbasedAuthentication ,
 .Cm KbdInteractiveAuthentication ,
 .Cm KerberosAuthentication ,
+.Cm MaxAuthTries ,
+.Cm MaxSessions ,
 .Cm PasswordAuthentication ,
+.Cm PermitEmptyPasswords ,
 .Cm PermitOpen ,
 .Cm PermitRootLogin ,
+.Cm PubkeyAuthentication ,
 .Cm RhostsRSAAuthentication ,
 .Cm RSAAuthentication ,
 .Cm X11DisplayOffset ,
-.Cm X11Forwarding ,
+.Cm X11Forwarding
 and
 .Cm X11UseLocalHost .
 .It Cm MaxAuthTries
@@ -783,7 +793,7 @@ and
 .Sq 2 .
 Multiple versions must be comma-separated.
 The default is
-.Dq 2,1 .
+.Sq 2 .
 Note that the order of the protocol list does not indicate preference,
 because the client selects among multiple protocol versions offered
 by the server.
@@ -802,6 +812,9 @@ with successful RSA host authentication is allowed.
 The default is
 .Dq no .
 This option applies to protocol version 1 only.
+.It Cm RoutingDomain
+Set the routing domain number.
+The default routing domain is set by the system.
 .It Cm RSAAuthentication
 Specifies whether pure RSA authentication is allowed.
 The default is
@@ -809,7 +822,7 @@ The default is
 This option applies to protocol version 1 only.
 .It Cm ServerKeyBits
 Defines the number of bits in the ephemeral protocol version 1 server key.
-The minimum value is 512, and the default is 768.
+The minimum value is 512, and the default is 1024.
 .It Cm StrictModes
 Specifies whether
 .Xr sshd 8
@@ -819,6 +832,9 @@ This is normally desirable because novices sometimes accidentally leave their
 directory or files world-writable.
 The default is
 .Dq yes .
+Note that this does not apply to
+.Cm ChrootDirectory ,
+whose permissions and ownership are checked unconditionally.
 .It Cm Subsystem
 Configures an external subsystem (e.g. file transfer daemon).
 Arguments should be a subsystem name and a command (with optional arguments)