.\" (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 1.33 2004/05/23 23:59:53 dtucker Exp $
+.\" $OpenBSD: sshd_config.5,v 1.37 2004/12/23 23:11:00 djm Exp $
.Dd September 25, 1999
.Dt SSHD_CONFIG 5
.Os
user environments.
For this reason, care should be taken in the use of this directive.
The default is not to accept any environment variables.
+.It Cm AddressFamily
+Specifies which address family should be used by
+.Nm sshd .
+Valid arguments are
+.Dq any ,
+.Dq inet
+(use IPv4 only) or
+.Dq inet6
+(use IPv6 only).
+The default is
+.Dq any .
.It Cm AllowGroups
This keyword can be followed by a list of group name patterns, separated
by spaces.
.It Cm Ciphers
Specifies the ciphers allowed for protocol version 2.
Multiple ciphers must be comma-separated.
+The supported ciphers are
+.Dq 3des-cbc ,
+.Dq aes128-cbc ,
+.Dq aes192-cbc ,
+.Dq aes256-cbc ,
+.Dq aes128-ctr ,
+.Dq aes192-ctr ,
+.Dq aes256-ctr ,
+.Dq arcfour ,
+.Dq blowfish-cbc ,
+and
+.Dq cast128-cbc .
The default is
.Bd -literal
``aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,
.Dq hmac-md5,hmac-sha1,hmac-ripemd160,hmac-sha1-96,hmac-md5-96 .
.It Cm MaxAuthTries
Specifies the maximum number of authentication attempts permitted per
-connection. Once the number of failures reaches half this value, additional
-failures are logged. The default is 6.
+connection.
+Once the number of failures reaches half this value,
+additional failures are logged.
+The default is 6.
.It Cm MaxStartups
Specifies the maximum number of concurrent unauthenticated connections to the
.Nm sshd
.It Cm PrintLastLog
Specifies whether
.Nm sshd
-should print the date and time when the user last logged in.
+should print the date and time of the last user login when a user logs
+in interactively.
The default is
.Dq yes .
.It Cm PrintMotd